Thats counter-intuitive and its odd that Rems were at opposite ends of the speed spectrum among ALL primers tested. I suspect they have a minor influence, but thats hunch not science! mounts. It has no pistol primers, but if you look at the difference between the Remington 6 1/2 and 7 1/2, that's pretty typical of the difference between a standard rifle and a magnum rifle primer, though the material the 6 1/2 is stamped from is softer than the CCI of the same thickness and is known to leak gas if it is used in the .223. hbbd```b``:"gI~ 2.l#0qd f$3|{ 4 I found this a while back but it seems it goes against the Win primers being hotter than the CCI. I cannot Most of the tests were of 100 or more primers. 0000027667 00000 n $79.99: 45 wks ago: Notify: Midway: CCI Large Rifle 7.62mm NATO-Spec Military Primers 34. 4 Accurate Arms Nitro 100 39 IMR, Co SR 4756. really see any indication from the above test to change that. Federal 215 and Winchester standard and magnum LR primers. Between these two extremes are Large Rifle primers of almost any brisance level. rifle, chambered for the 338 Lapua. Primer with Highest ES/SD: Remington 9 M Magnum (47/14.0 fps) $7.49. A homemade test of some primers that's interesting : Note the author says it's DMS (doesn't mean squat). The Rem's had some very wild shots high and low. a custom Remington 700 we have built ourselves. 0000012690 00000 n WSL. Where are S&Bs sold without paying to special shipment? They used the same hulls, the same powder, powder charge, shot, shot charge, wad, and reloaded them on the same reloader. $5.03. I have Federal 210 primers(only 30 or so) but my local store also has Fed 210M primers. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The first bit of useful trivia is that even though Small Rifle and Small Pistol primer pockets share the same depth specification, Large Rifle and Large Pistol primers do not. Seems they give me good results across the board. temperatures. $109.99: 42 wks ago: Notify: Grafs: Fiocchi Primer Large Rifle 1 500/bx. GM205M. This is interesting, according to this, Federal Gold Metal MatchKing 308 ammo should not be shot in a AR10 or 308 platform. The line that shows A larger sweet spot means more reliable ignition in guns that produce off-center hits. Apr 30, 2012. The amount of work involved to do the same test as you conducted herein would be immense, which is probably why it has never been published together as a single body of work. well in this rifle before, and we did the same with VVN 540, as it is supposed We thought we would run our own The pressure changed dramatically sometimes (8k-13k PSI). Yeah yeah yeah, and matchkings won't kill a deer. Ranked in order of power. And, NO! RWS, CCI BR2, Federal 210M, Federal 210, One new winner* is announced every week! And standard primers. Non-corrosive, all weather primers deliver fast, dependable ignition under any shooting condition. I guess what my question boils down to is whether you think the range of primer performance you observed in your test here would carry over to other cartridges and powder selections. The standard primer types are pistol, pistol magnum, rifle, and rifle magnum. Five round with the RWS primers hang fired, including 2 of And small rifle primers within the large. Clive. June 3rd, 2015 LR Primer Types Tested for Velocity, ES/SD, Group Size and More! . endstream endobj 2830 0 obj <. Add to cart. Bullets; Primers; . Remington says the compound is the same as the 6, but with a thicker cup. Federal Champion Centerfire Small Rifle Primer - 100 Ct. No media assets available for preview. Rifle Calibers; Rifle Recoil Table; Handgun Caliber Chart; Handgun Recoil Chart; Caliber Comparisons; Ammo Size Chart; Shot Size Chart; . As an aside, a couple of years ago, shortmags.org published a list of primers from hottest to coolest. Thanks ! We used A F215 in a .338 Win Mag load. Primer with Biggest Group Size: CBC Magtech 9 (0.7 average, three 5-shot groups). $8.09. With those caveats: Forgot to add: there is no difference between the Fed 210 and the 210M except that the 210M is their match primer. Any thoughts? $12.99. McMillan synthetic stock. 41 Rifle Primers - 100 Count. 22661. #34 and #41 are military primer designations for large and small rifle primers, respectively. 0000014925 00000 n Primer Testing Reference. I know this powder is far too slow for this application, but we thought LRM = Large Rifle Mag . Quest for Less Vertical Six Primer Types Tested at 500 Yards, Vertical Dispersion Test Six Primer Types Tested at 500 Yards, Primer Availability Report Wolf Primers Have Arrived, Primer Comparison Testing with 6 BRA at 500 Yards. PRODUCT No: TYPE OF PRIMER USED FOR PCS PER BOX This shows the pointer after a shot has been fired. This is a great post and definitely deserves a sticky in the reloading section, Thanks for posting. 0000000016 00000 n We had to stop our test at this stage, as our TRG-41 got I did try a search but couldn't find anything apart from Chainsaws similar unanswered request back in August. - All the large rifle primers measured have the same thickness. We used Lapua brass and the rintable Burn Rate Chart. Both for 6.5 CM. We got them as PMC brand here until that company disappeared and when we get them nowadays, which is rarely, they use the Russian manufacturers name, Murom. trailer .2232, 16 CCI 300 LP 3.18 Equipment reviews (.243 bullets, 30BR cartridge, 6mm Norma Improved, gun barrels, powders, primers, gunstocks, dies), accurizing, 1000yd ranges, ballistics . Lee Reloading Auto-Prime Hand Priming Tool. It is a standard factory issue; we bedded the New. The shot is fired against a weight which in turn moves a pointer. _gaq.push(['_trackPageview']); I am currently shooting CCI BR2 primers in my .25-06, but feel like I may not be shooting a hot enough primer. Remington - 209. Fiocchi Large Rifle Primers. When pkts start getting loose, switch to them and get couple extra firings. $47.99: NA: Notify: Midway: Winchester Large Rifle Magnum Primers 8-1/2M. 2854 0 obj <>stream Primer Flash Test Photos. Seating the Large Rifle primers in a standard Large Pistol pocket may cause high primers . Here are the results of a test done to determine the brisance of primers. _gaq.push(['_setAccount', 'UA-6323545-2']); The following are the results of a 308 Winchester, shot in 0000077528 00000 n Thanks! That article featured actual pressures changes in identical charge weights using Lake City Match brass, Sierra 168 grain Match Kings and 40.5 grains of IMR-4895. I quit shooting them years ago because they made a mess of the bolt face even with new W-W brass. We have found the I hear ya. This is on a DMS (don't mean squat) scale. borrowed. $ 249.99. While working my way through college at a local gun shop, I advised a customer frustrated with his inaccurate handloads to try match-grade primers. The 7.6254mmR is a rimmed rifle cartridge developed by the Russian Empire and introduced as a service cartridge in 1891. 0000054368 00000 n I usually buy several sizes and types of primers in lots of 5000, or 10,000 about once every year or so, as I do most of the reloading for out hunt group,Its not unusually to knock out a couple hundred cartridges in an evening with my dillion reloaders). I think we have enough data above to get some sort of idea of how Rifle cartridges 5,652 R and cal. 2829 0 obj <> endobj Three shot groups. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP, Brand/type Power Average Range Std. Click Photo to read full test results in Target Shooter Magazine.. 0000027388 00000 n The pointer remains at the highest point of the shot. How critical is the primer seating mechanism? An old rule of thumb suggests the use of magnum primers any time the powder charge is 60 grains or more. It is a standard factory rifle, that came with one Three shot groups. Great article/op. Are there any primer hotness charts here? The only thing they changed was the primer. I made one up for rifles cartridges once, for my own use but the method I used isn't very scientific so it might not be valid. I thought this I wanted to see if anyone else has my experience with wolf primers which is contrary to the notes in the OP. To date, the best I approach have seen is that it is wise to have several primers that cover a range of brisance and simply test them empirically to find the one that works best with a particular load. So what's the difference? 0000053794 00000 n Laurie Simply outstanding work and write-up as I always expect when you are involved! Out of stock. Federal Gold Medal Large Magnum Rifle Primer - 100 Ct. $9.39. This is the home made tester. Size Large. It is beyond question that switching primers can often improve (lower) ES/SD with a given load. A forum community dedicated to Smith & Wesson firearm owners and enthusiasts. Does anyone have any information regarding the characteristics of S & B primers and how they compare to the other primer brands described above? PSA 300blk with some off brand remanufactered ammo. Can you in. hb``Pc`` 30H32. Many handloaders think the 215 is still the hottest commercial rifle primer, but the CCI and Winchester magnum rifle primers are just as hot, if not a little hotter. CCI No. I took four large pistol primers (CCI 300's), four large rifle primers (CCI 200's) and four large rifle bench rest primers (CCI BR-2's) and measured the width and depth of all three primer types. 0000004308 00000 n Remington Shotshell Primer All Gauges. were very even, but this was a limited lot and they are not widely available. So, the short version is, use the primer recommended in the recipe. did the bedding, and installed a Leupold 4-12 X scope in Leupold mounts. This has been noted by some sharps shooters when they break a firing pin. Cameron. I finally had a primer fail, just last week. I learned Cci 400 and cci 550 are the same! 091014. Rated 4.80 out of 5 $ 105.00. Wolf/Tula Small Rifle 223 SR223 - #KVB-223M "This is the newest primer available in the Wolf line. Lauries findings will doubtless influence many hand-loaders who hope to produce more consistent ammunition, or achieve better accuracy. 0000001584 00000 n Dev . NRA Member..SWCA Member..Semi-Retired, But Not Dead Yet. CCI BR2 and the Fed 's were the most even of the common ones. the frozen ones. In other words, the steps were small indeed. Since then almost every company has changed their primers. Ive had a slam fire. And standard both Magnum. Well done gentlemen, Share the post "Ultimate Large Rifle Primer Shoot-Out 16 Types Tested". Proud Member Of The NRA. - Cases that utilize small rifle primers and operate at higher pressures (55,000 psi) should use CCI 450, CCI BR4, Fed 205 and Rem 7 1/2. This may be the most comprehensive and thorough LR primer test ever done. Federal Champion No. No issues with the copper cup Wolf. 0 Product Details. But if you cant spare the time right now, here are some highlights below: Primer with Lowest Velocity: Remington 9 M Magnum (2780 fps) (Depends on whether the M in the Wolf name is for Match or Magnum.) The following are with 80 grains of VVN 165, same bullet These primers use a heavier, thicker cup to withstand the more intense small-cased rifle cartridges such as the .222 and .223 Remingtons. of those horrible looking plastic stocks. brass. Check With Your Local Ammo. The pressure used to seat primers, pocket uniforming, flash hole uniforming, and seating depth are all factors. Primer with Smallest Group Size: Remington 9 LR (0.43 average, three 5-shot groups) We thought of doing the test on 4 different case sizes. TYPE OF PRIMER USED FOR PCS PER GRATING GRATINGS PER BOX BOXES PER CASE WEIGHT PER CASE; kg lb; V360157: Small Pistol 4,4 Boxer: . It is obvious that the thicker cups will withstand more pressure. You are using an out of date browser. A final part of the test took a small number of the best performers and ran them in my primary 155.5gn Berger BT Fullbore / IMR-8208 XBR load without the MagnetoSpeed on to see what they did to groups without a load-retune against my usual CCI-BR4 load and to see if they would cope OK with 60,000 psi pressure. This primer can be used in place of the SRM primer or used when a different powder is used that is hard to ignite." Large Rifle Standard to be similar in burning rate. Get a Remington License Plate Frame for $1 with ammo purchase. following primers in our possession. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. The brass colored wolf primers always fire fine in my bolt guns (and in my ar15 as well). Leupold LPS 3.5-14X scope in Sako mounts on it. Buy in store-Limit 2. 6,5 to 9,3 mm. 0000053407 00000 n 0000006474 00000 n The Fora platform includes forum software by XenForo. Warning: Some published data calls for Large Rifle primers, though this brass was designed for, and most data is for Large Pistol primers. German Salazar's pictures were taken in 2005. The first "magnum" primer, the Federal 215 was designed for this very purpose. 0000028110 00000 n My .338 RUM likes 100 grains of H1000 behind a 225-grain Nosler Partition bullet. V361617. Very interesting. Differences between primers are not equal - adjacent primers may be almost identical or much hotter/cooler. Standard deviation . Copyright 1996-2023 AR15.COM LLC. Holland, a talented shooter from the UK, tested no less than sixteen (16) different large primer types using a custom F-TR target rifle shot from the bench. $7.99. Federal - 209A. I like the Wolf/Tula also because there a couple .0001s larger diam. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. LR Primer Types Tested for Velocity, ES/SD, Group Size and More! RockyRaab, the only difference between their list and yours is that they list CCI BR4 and CCI 400 as hotter than FED 200. Primers labeled "match grade" cost 10 to 20 percent more than standard versions. once fired Weatherby brass and the Sierra 190-grain Match King bullet, molly $11.99. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP, Brand/type Power Average Range Std. This means a LRP will not seat flush or below the face of the case head in a pistol cartridge . mounts. It stands to reason that such cusp cartridges, as I like to call them, would have . In Winchester testing labs, primers are constantly and rigorously tested for consistency and sensitivity at temperatures and conditions far beyond the range of normal usage. Or standard when choosing a primer the. Or a small primer pocket. Buy Reloading > Components > Primers - Gun City are the leading firearms experts in New Zealand. Primer Testing Reference You will see a large difference if you go from a large rifle primer to a magnum primer so look at primer Brisance. Thanks again for the excellent write-up and work! By contrast to the Fiocchis, they were an almost slack fit in the cases and this may have contributed to their consistent performance. Laurie Holland. Posted: 5/29/2018 9:45:54 PM EST. Compare Compare Now. Does this indicate that one primer creates more pressure for about the same velocity or does this mean that some primers will withstand more pressure before showing signs of failure? of extruded Hodgdon H4831. His varmint bullets are absolutely fantastic. Between these two extremes are Large Rifle primers of almost any brisance level. Read more; CCI Aps Strips . Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. I found this a while back but it seems it goes against the Win primers being hotter than the CCI. 0000015334 00000 n 10.3x60mm Rimmed LR Swiss 10mm Auto LP 11x59mm Rimmed LR French Gras 43 Mauser 17 Hornet SR 0000015264 00000 n CCI 250 MAG Large Rifle Primers - 100 Ct. $9.49. 3.8-4.8 .3218, 12 KVB 7 LR Russian 4.27 3.8-4.8 .2213, 13 Rem 91/2 (30 yrs old) 4.16 3.8-4.8 .3427, 14 Rem LP 4.47 Thanks. Within the large rifle primers, I've found the Winchester WLR and Federal 210 to be the hottest, and the Remington 9 to deliver the least heat, with the CCI200 somewhere in between. Thank you, use the Brisance chart to adjust the powder charge to a safe level. 10. $7.99. Even though they dont recommend it? this with the others. BLR/BSR = Berdan (not available) Cartridge Primer Size . Primer Size Chart . Between these two extremes are Large Rifle primers of almost any brisance level. Out of stock. According to the same Internet sources, the Federal Gold Match Large Rifle Magnum primers (215M) are at the top of the list in terms of heat. The only primer power chart I have ever seen published was in an NRA American Rifleman article in 1984. 0000003606 00000 n Large Rifle Magnum Match (LRM MATCH) Federal - 215m. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. to the 30-06. The following are with 95 H 5010. I think all of the flame pictures help illustrate that the variety of primer models do different stuff despite all primers being divided into just a few categories. Let us start with Large Rifle Primers (LRP) vs Large Pistol Primers (LPP). Match event calendar and rifle competition accuracy training tips. ga.src = ('https:' == document.location.protocol ? Your first post mentioned measuring the depth of the primers, and to my way of looking at the world, that . Out-of-Stock. This another thing to consider in shooting. P. Plinker147 Well . . %PDF-1.6 % (As a note of interest, small pistol primers are .017" thick and large pistol primers are .020" thick.) average velocities and MV consistency. Sep 9, 2009. (function() { I load those in hornet 222 220 swift and other varmint calibers. I did not put in the individual comments. 0000054449 00000 n Three shot groups. A write-up will be done soon. Thanks for the insight Rocky. Interesting read, thanks! Many handloaders think the 215 is still the hottest commercial rifle primer, but the CCI and Winchester magnum rifle primers are just as hot, if not a little hotter. The effects of different primers, normal and magnums, on a Dev, 1 Fed Match GM215M 6.12 5.23-6.8 .351, 2 Federal 215 LRM 5.69 The Wolf Small rifle with the copper cup I've had failure to fire with my light striking bolt guns, but they go bang every time in my ar15. CCI 34 - 7.62mm Large Rifle Primers Box of 1 000 Limit 5 per customer. These are the links to the two pages, directly. Three shot groups. Three shot groups. I use cci 400 for my AR with great success ! JavaScript is disabled. here that there is nothing scientific about this experiment. http://www.prfelr0.f2s.com/prfelr0/primers1.jpg, http://www.prfelr0.f2s.com/prfelr0/primers2.jpg. :u0RFH1r)F#a9nZh. Get a deck of Remington Playing Cards for $1 with ammo purchase. bullet and brass. Get a Federal Dry Bag for $2 with ammo purchase. 14 Likes. You may not reproduce original text or photos without advanced permission in writing. Of the others, there WAS a relation between weight and power. But rules of thumb aren't perfect, and plenty of cartridges use charges from 55 grains to 65 grains .30-06, .270 Win. I used the CCI large pistol magnums primers, and they performed just like rifle primers, they didn't peirce, or flatten, ignited the rifle powder just fine. Winchester Large Rifle primers produced a standard deviation of velocity of 13 f.p.s. shoot them as a group, noting both the velocity and the accuracy, and compare We used RWS match brass, 41.2 grains of VVN 140, and the Sierra 168 We were using standard large rifle primers for all cases up Buy in store-Limit 2. Interesting and informative article but it raises a couple questions in regards to Rem 6 1/2 that I've been unable to answer this far. What changed about the 6 1/2 to suddenly make it suitable only for low pressure cartridges? The main question that remains for me is how the primers results might vary between different cartridges, bullet weights, and powder loads. Listed From Fastest to Slowest: 1 NORMA R1 36 Winchester WSF. 5.2-6.5 .4437, 3 CCI 250 LRM 5.66 For this we would leave some loaded rounds in the freezer, and This testing was done to try and rank primers by power (brisance). 4 Comments. All Rights Reserved. We have found the following primers in our possession. 0000001728 00000 n 0000015039 00000 n test, using all the different primers that we have here. RWS, CCI BR2, Federal 210M, Federal 210, Federal 215 and Winchester standard and magnum LR primers. $7.30. Thank you very much for your efforts in providing this excellent article. The following are with 92 grains of H 870, same bullet and CCI 350 Magnum Large Pistol Primers 100-Pack $ 6 99 6 dollars 99 cents. 6mmBR.com is the best guide for 6mm BR Benchrest precision shooting, complete with 6BR FAQ, Reloading Data, Shooter Message Boards, Reader Polls, and Photo Gallery. I would like to state xref The US industry standards for Boxer primers are: Small pistol and rifle diameter: .175" Small pistol and rifle height: .110" Large pistol and rifle diameter: .210" Large pistol height: .110" Large rifle height: .120" At the factory, primer cups are cut out of a sheet of material much like a giant cookie cutter where they look much like a small . A few var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Add to Wishlist. 300 | 1,000 Count $ 42.99. That said, I had heard the CCI 450's and #41's were basically the same so I was searching for differences and found these post's. same bullet and brass. The Murom KVB-7 or KVB-7M should be the Wolf LR-M under a different name. A good question Clive! The Test. Therefore choose based on other factors, such as accuracy, low ES/SD, cost, cup hardness . So my question is whether you would expect to see a very similar trend among the primers you tested with other cartridges and/or bullet weights commonly used in F-TR or F-Open? in red which was frozen over night and then shot. Freedom Is Never Free. Winchester works to make sure all primers are reliable, instant and precise. . CCI "APS" Large Rifle Primers Strip . In part 1 of my Large Rifle Comparison I take a look at each manufacturer's particular primer and give a quick overview. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Take them with a grain of salt and as a guide only. Add to Wishlist. Primer Cross Reference Chart 4050 S. Clark St., Mexico, MO 65265 Grafs.com 800-531-2666 CCI Federal Fiocchi Remington Winchester CCI 400 primers are designed for .22 Hornet, .218 Bee, .219 Zipper, and .222 Remington loads: NOT for .223 Remington! SPM = Small Pistol Mag . 0 work up a load from a safe, published starting load. We just wanted to Found this from offsite search, exactly the information I need. Doesn't appear to work. We know that major seating faults definitely have an effect, but do minor variations in seating tension too? WHILE MAGTECH BRAND PRIMERS HAVE NOT BEEN IMPORTED AND OFFERED FOR SALE THROUGH AUTHORIZED CHANNELS FOR SEVERAL YEARS, THERE ARE STILL SUBSTANTIAL QUANTITIES REMAINING IN RELOADER'S INVENTORIES. Free Shipping Eligible! 40,5. Handloader Magazine does it every once in a while. 6,5 to 9,3 mm: 100: 10: 33: 18,4: 40,5: Percussion caps. CCI 350 MAG Large Pistol Primers - 100 Ct. $22.99. 547 0 obj <>stream WSL. It has always been my impression that low ES/SD correspond to optimized combustion; that is to say when the primer, cartridge volume (pressure cell), powder charge, were all optimized to give optimal combustion for a given bullet weight. 1 Fed Match GM215M 6.12 5.23-6.8 .351. Not that I have found, and why I said "nothing". PRIMER LEGEND . 0000001157 00000 n Since these were readily available, I chose these two primers for use in this test. CCI BR2 Large Rifle Primer 100-Pack $ 13 99 13 dollars 99 cents. For a better experience, please enable JavaScript in your browser before proceeding. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. 1 of the frozen BR2 rounds hag fired. Up to 6,000 psi difference just by changing primer brands. Holland, a talented shooter from the UK, tested no less than sixteen (16) different large primer types using a custom F-TR target rifle shot from the bench. Within every Remington primer is a group of subcomponents assembled to exceptionally tight tolerances. 0000077015 00000 n 100. Lyman & Nosler classify this as a standard primer, but Hornady, Handloads.com, and Chuck Hawks classify it as a small rifle magnum primer. J E CUSTOM . I think it is fair to say that even the cooler primers work, providing the reloader has been careful to work up the loads and allows for volume, powder coatings and temperature at which the loads will be used. 0000004445 00000 n Add to Wishlist. If you shoot a .308 Win, or any cartridge that uses a Large Rifle (LR) primer, you should read an important new article by Laurie Holland in Target Shooter Magazine.Holland, a talented shooter from the UK, tested no less than sixteen (16) different . 210 Large Rifle Primers - 100 Count. Remington HTP .38 SPC 110-Grain Ammunition - 50 Rounds . 33. average of all the 4 groups above it. startxref Fiocchi 616 Shotshell Primers #209 | 1,000 Count $ 89.99. Not that I've ever seen. Another thing that is not in this test, but I have noted, is using a newsprint wad over the primer. It does show there are great differences in primers RIfle Primers Brand/type_____Power Average___Range____Std. Any use of this content without express written consent is prohibited. Every serious hand-loader should definitely read the full test results to understand Lauries methodology and get all the details. Closed the bolt and off she went. Powered by UBB.threads PHP Forum Software 7.7.5. Both are roughly the same diameter. If you used my "Benchmark/Baseline/95% Solution" load method, you'd know in a few shots if your new primer choice was hotter, cooler or the same. I did not test the 210M. Read more; CCI #34 7.62mm Military Primers. The following are the results of the 25-06 Remington, shot t!.>%DBvv CCI No. CCI "APS" Large Pistol Primers Strip No. were weighed. Keep them all the same. The Effects Of Primer with Lowest ES/SD: Sellier & Bellot LR (12/3.1 fps) Store For Availability. *Must have a registered ARFCOM account to win. Sierra 300 grain Match King bullet. 0000028040 00000 n Different Primers On The Load. Primer cup dimensions are controlled to .0001", and the priming mix is specially formulated for consistent ignition with a wide variety of powder types. The first "magnum" primer, the Federal 215 was designed for this very purpose. Here are the primer types tested: Test Rig: Osprey Rifles-built F-TR rifle with Savage PTA action, 32 Bartlein 1:12-twist Heavy Palma barrel, and Dolphin Gun Company modular stock with an F-Open/Benchrest fore-end. Weighing Primers: I did some test weighing and found the bench rest had virtually no variations. Read more; CCI Aps BR4 Small Rifle Benchrest (1000) $ 135.00. I wish I had the original range data, but it's long gone. All the following loads were with the Berger 85 grain I'm am not doing this again! For starters, based on the loads tested, which duplicate maximum published 6.5 Creedmoor loads with the bullets used, large-rifle primers are on average 19.66 percent better than small-rifle . The generally accepted difference is heat is 6 percent, up and down from the middle ground CCI200, although that is subject to actual scientific data, which I . In that post, Hoogs mentions that even a CCI Large Rifle Magnum left a noticeable amount of unburnt powder in his 460 loads using W296. This is a retype after losing the original web page. Large rifle primers are 0.008" thicker than a large pistol primer. All Primers have a different Brisance. I can tell you CCI BR2's give a little less velocity and better SD numbers than Federal 210M which gave a little less velocity and better SD numbers than Remington 9 1/2 with the same powder and cartridge. My experience with the small rifle primers is just the opposite. 0000153414 00000 n Despite the nomenclature, this primer is appropriate for some extremely high pressure pistol cartridges, such as the .221 Fireball and the .357 Maximum. the results of each group so you can compare that with others, as well as the group It takes a Large Rifle Magnum primer to reliably light this much powder.

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