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Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. 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? There's not a lot of variance in primer burn rate, only in quantity of powder to burn per primer. xref
This may be the most comprehensive and thorough LR primer test ever done. The rifle has a 26-inch barrel. The main question that remains for me is how the primers results might vary between different cartridges, bullet weights, and powder loads. The following loads were shot in a Sako TRG-41 target This is on a DMS (don't mean squat) scale. How critical is the primer seating mechanism? %%EOF
I hear ya. 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. Take them with a grain of salt and as a guide only. same bullet and brass. Yeah yeah yeah, and matchkings won't kill a deer. 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. Three shot groups. the results of each group so you can compare that with others, as well as the group In early black powder guns such as muzzleloaders, the primer was essentially the same chemical as the main propellant (albeit usually in a finer-powdered form), but poured into an external flash . 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. 1 of the frozen BR2 rounds hag fired. 4.5-7.4 .4832, 4Winchester WLRM 5.45 5.1-6.0 .2046, 5 Remington 9 1/2 LRM 5.09 3.5-6.75 .6641, 6 Winchester WLR 4.8
Or standard when choosing a primer the. This has been noted by some sharps shooters when they break a firing pin. Of the others, there WAS a relation between weight and power. Sometimes I hand seat with a Sinclair tool and sometimes I seat using the press. $115.00. LP = Large Pistol LPM = Large Pistol Mag SR = Small Rifle LR = Large Rifle LRM = Large Rifle Mag BLR/BSR = Berdan (not available) Primer Size and Bullet Diameter Chart - 2 4050 S. Clark, Mexico, MO 65265 www.grafs.com 800-531-2666 32 Short Colt .313 SP 32 Winchester Special .321 LR 32-20 WCF .312 SR 32-40 WCF .320 LR 325 Winchester Short . and .280 Rem., to name a few. Non-corrosive, all weather primers deliver fast, dependable ignition under any shooting condition. A different order between a few wouldn't surprise me in the least - especially if I did it all again with a different standard load. Their magnum LR primer is the F215. in a Ruger Target model rifle. . 0000053794 00000 n
I have Federal 210 primers(only 30 or so) but my local store also has Fed 210M primers. of those horrible looking plastic stocks. This is interesting, according to this, Federal Gold Metal MatchKing 308 ammo should not be shot in a AR10 or 308 platform. Federal Champion Centerfire Small Rifle Primer - 100 Ct. No media assets available for preview. It was topped with a Leupold 6.5-20X scope in Leupold The following are with 95 H 5010. I don't have a link to the site , but 6mmbench rest.com or one of those type sites have extensive pages on standard primers. 0000015334 00000 n
My Components; My Loading Data; All User Loading Data; Components . The new Russian
rifle, chambered for the 338 Lapua. 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. Those extra heavy tended to be stronger, and light were weaker. <<917A3329DAD4B341BF9A2FBBF1E535ED>]/Prev 194532/XRefStm 1395>>
Or if they are so constantly tweaking their formulas and mixes that the information we're looking for is too much of a moving target. Trying to decide which primers to buy next. ga.src = ('https:' == document.location.protocol ? Check With Your Local Ammo. Large Rifle 5,3 Boxer: Rifle cartridges 5,652 R and cal. Heat of explosion per gram is similar as well. Fishing Bait Chart; Hunting Camo Patterns; Guns. $5.19. Another thing that is not in this test, but I have noted, is using a newsprint wad over the primer. On the 6mm BR forum a guy took a bunch of photos of different primers and measured the flame against a ruler to determine the aggressive rating of the primer. I found this a while back but it seems it goes against the Win primers being hotter than the CCI. . The Murom KVB-7 or KVB-7M should be the Wolf LR-M under a different name. we will try it to see how it performs. 3.2-5.6 .5171, 15 KVB 45 LP Russian 3.89 3.3-4.2
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rifle in its original stock, and installed a Leupold 6.5-20X scope in Ruger One new winner* is announced every week! I have never looked at primers apart from reliability. At .020' thick cup metal, these primers are minimal, at best, for light .223 Remington loads. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. It's higher than 30-30, and not much less than the 30-06. way up the neck. The following are the results of a 308 Winchester, shot in You are using an out of date browser. average velocities and MV consistency. 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. Primer with Highest ES/SD: Remington 9 M Magnum (47/14.0 fps) In firearms and artillery, the primer (/ p r a m r /) is the chemical and/or device responsible for initiating the propellant combustion that will push the projectiles out of the gun barrel.. Three shot groups. 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. I load those in hornet 222 220 swift and other varmint calibers. July 9, 2018. This means a LRP will not seat flush or below the face of the case head in a pistol cartridge . Must add the Remington License Plate Frame to your cart, one per order. All 2:43 will have a large rifle . 506 42
The average group size for the top six primers varied by only 0.10 (0.43 to 0.53), so one cant conclude that one type is much better than another. We are here to talk about primers. 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? Powered by UBB.threads PHP Forum Software 7.7.5. 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
in red which was frozen over night and then shot. Lyman & Nosler classify this as a standard primer, but Hornady, Handloads.com, and Chuck Hawks classify it as a small rifle magnum primer. It was also years ago and things may have changed. I am currently shooting CCI BR2 primers in my .25-06, but feel like I may not be shooting a hot enough primer. . FWIW, Dutch. Testing 16 primer types was a huge task we commend Laurie for his hard work and thoroughness. 0
Large Rifle Primers; Shotshell Primers; Best Selling In PRIMERS. The Test. Use the .308 Win Palma brass and small primers myself. Come join the discussion about performance, gunsmithing, troubleshooting, reviews, accessories, classifieds, and more! Cases larger than that we normally used magnum primers. 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. - All the large rifle primers measured have the same thickness. 33. 0000028191 00000 n
July 21, 2020 By Joseph von Benedikt. Dev . $5.03. By The Copper Pill. Ballistic Tips paired with 58.0 grs. Reply. Large rifle primers all come with one brass thickness, a nominal 0.027" (unlike small rifle primers which vary from 0.020" to 0.025" depending on make/type). Rifle cartridges 5,652 R and cal. 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 . Remington says the compound is the same as the 6, but with a thicker cup. And standard primers. The barrel was 24 inches long. I have not measures themperhaps your not seating them fully? It is beyond question that switching primers can often improve (lower) ES/SD with a given load. Remington HTP .38 SPC 110-Grain Ammunition - 50 Rounds . 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. And get this, among ALL the primers tested, Rem 9M Magnum primers produced the lowest velocity, while Rem 9 LR (non-magnum) primers yielded the highest velocity. All Primers have a different Brisance. 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. Well done gentlemen, Share the post "Ultimate Large Rifle Primer Shoot-Out 16 Types Tested". 100. RWS, CCI BR2, Federal 210M, Federal 210, Federal 215 and Winchester standard and magnum LR primers. These include the 308, 25-06 Remington, 300 Weatherby magnum, and finally the It's higher than 30-30, and not much less than the 30-06. Out-of-Stock. Compare Compare Now. chart, http://www.shootingtimes.com/ammo/ammunition_st_mamotaip_200909/, http://www.castingstuff.com/primer_testing_reference.htm. 0000028110 00000 n
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. Winchester works to make sure all primers are reliable, instant and precise. 18,4. On the other hand, if some of the primers that gave poorer results in your testing with a specific .308 load gave much better results with a different cartridge/powder/bullet weight, it would be much more difficult to make any general predictions that might allow a reloader to keep a stock of only two or three types on hand, one of which would be likely to give satisfactory results over a wide range of cartridges and powders. CCI BR2 and the Fed 's were the most even of the common ones. We also wanted to check if cold temperatures have any Between these two extremes are Large Rifle primers of almost any brisance level. the frozen ones. did the bedding, and installed a Leupold 4-12 X scope in Leupold mounts. $12.99. rintable Burn Rate Chart. I think the BR4 is milder than the CCI 400 primers. 300 | 1,000 Count $ 42.99. 4 Comments. This is more visual and tells a good story too. Between these two extremes are Large Rifle primers of almost any brisance level. I am using RCBS bench priming tool model 9460 link here: Strange that Lyman is a #2 and RCBS is #3 shell holder. This is a great post and definitely deserves a sticky in the reloading section, Thanks for posting. JavaScript is disabled. One of the frozen rounds with the CCI BR 2 hang fired. 5.2-6.5 .4437, 3 CCI 250 LRM 5.66
Rated 4.80 out of 5 $ 105.00. brass. Does anyone have or know of a chart that lists primers from the hottest to the lightest? I wish I had the original range data, but it's long gone. Primer Flash Test Photos. It seems to even out the ignition by eliminating a variable (sometimes with grains in and sometimes without
GM205M. Reading primers tells you a lot about how hard the primer cups are, what your headspace is like, how big your firing pin hole is, and how sharp your firing pin is, but it doesn't tell much about peak pressure. Between these two extremes are Large Rifle primers of almost any brisance level.
JavaScript is disabled. This is likely a matter of conjecture. CCI 400 primers are designed for .22 Hornet, .218 Bee, .219 Zipper, and .222 Remington loads: NOT for .223 Remington! Dev, 1 Fed Match GM215M 6.12 5.23-6.8 .351, 2 Federal 215 LRM 5.69
Out of stock. Equipment reviews (.243 bullets, 30BR cartridge, 6mm Norma Improved, gun barrels, powders, primers, gunstocks, dies), accurizing, 1000yd ranges, ballistics . We just wanted to Federal Small Rifle Primers (Champion) 1000/Box $219.99; Notify Me When Available; Brand: Federal; Item Number: 205 BK; effects on this. 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. The following loads with 63 grains of H870, same bullet and once fired Weatherby brass and the Sierra 190-grain Match King bullet, molly We thought of doing the test on 4 different case sizes. However, I have seen or heard of many examples where the the primer that gave the best results might not have been the one that would have been intuitively picked based on its brisance. 0000003606 00000 n
Seating the Large Rifle primers in a standard Large Pistol pocket may cause high primers . 210 Large Rifle Primers - 100 Count. This keeps grains of powder out of the flash hole. Primer Size Chart . Large Rifle Primers Fed 215 WLRM CCI 250 Rem 9 M WLR F210 CCI BR2 CCI 200 Rem 9 Small Rifle Primers Fed 205 Rem 7 WSRM Fed 200 WSR CCI BR4 CCI 400 Rem 6 1/2 The standard primer sizes for metallic centerfire (rifle and pistol) cartridges are small (.175" diameter) and large (.210" diameter). $8.09. But if you cant spare the time right now, here are some highlights below: Primer with Lowest Velocity: Remington 9 M Magnum (2780 fps) I am keen to understand how the Sellior and Bellots went ,not sure on some of the abbreviations.Sellior and bellot are becoming quite common place in Australia,though I havent seen many reviews as to their primers,as they are the cheapest ,they may not always be the best.currently running up loads of Swede using 2209 and Sierra 123hpbt. For a better experience, please enable JavaScript in your browser before proceeding. Thank you, The Fora platform includes forum software by XenForo. The following loads were with 48 grains of VVN 550 powder, Sierra 300 grain Match King bullet. 0000053767 00000 n
www.6mmbr.com. Primer with Biggest Group Size: CBC Magtech 9 (0.7 average, three 5-shot groups). [#11] 6 rounds with the RWS primers hang fired, including 2 of Federal Champion No. Three shot groups. Take them with a grain of salt and as a guide only. 5180 meters per second for Azide, 5200 meters per second for Styphnate.3. Large rifle primers are 0.008" thicker than a large pistol primer. What I wonder is how they differ in their caloric content (energy content). Get a Federal Dry Bag for $2 with ammo purchase. $47.99: NA: Notify: Midway: Winchester Large Rifle Magnum Primers 8-1/2M. (The total velocity spread for all primers was 35 fps). Thanks, DR. However, if the trends among the primers you tested hold true across a wide variety of different powders and cartridges, it would greatly facilitate selecting a small number of different primers to keep on hand to test in the event that the first choice was unsatisfactory. Makes me think about some BR4 primers for my 6.5x47L over the #400. were weighed. The last row in each table shows the _gaq.push(['_setDomainName', '.accurateshooter.com']);
Remington Shotshell Primer All Gauges. borrowed. My .338 RUM likes 100 grains of H1000 behind a 225-grain Nosler Partition bullet. You may not reproduce original text or photos without advanced permission in writing. Total group size variance (from best to worst) was 0.27. LP = Large Pistol . 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. 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 So, don't take this as gospel but as a rough indicator. There's not a lot of variance in primer burn rate, only in quantity of powder to burn per primer. I would like to state June 3rd, 2015 LR Primer Types Tested for Velocity, ES/SD, Group Size and More! The redesigned metal parts improve sensitivity and reduce seating force. firing 15 Nosler 130-gr. Originally designed for the bolt-action Mosin-Nagant rifle, it was used during the late tsarist era and throughout the Soviet period to the present day. 4.1-6.0 .4300, 7 Remington 9 1/2 LR 4.75 3.7-6.25 .5679, 8 Fed Match GM210M 4.64 4.0-5.6 .3296, 9 Federal 210 LR 4.62
Rifle primers use tougher cups than pistol primers because the firing pin blow of rifles is usually harder than the firing pin blow . 0000027388 00000 n
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I cannot Match event calendar and rifle competition accuracy training tips. Get a deck of Remington Playing Cards for $1 with ammo purchase. The standard pocket for a Large Pistol primer is somewhat shallower than its Large Rifle counterpart, specifically, 0.008 to 0.009 inch less. Thanks again for the excellent write-up and work! New. Any thoughts? Federal 215 and Winchester standard and magnum LR primers. Small pistol and rifle primers utilize a cup 0.175" in diameter, while large pistol and rifle primers measure 0.210" across. The Rem's had some very wild shots high and low. The cartridge remains one of the few standard-issue rimmed . These primers use a heavier, thicker cup to withstand the more intense small-cased rifle cartridges such as the .222 and .223 Remingtons. Hi Laurie, your comment re S&Bs slack fit raises my question. really see any indication from the above test to change that. All Rights Reserved. What is the pressure of a .44mag? Closed the bolt and off she went. Out of stock. Type: Small Rifle Match. 0000028040 00000 n
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At the other end of the cartridge scale, 2.7 grains of Bullseye, a 148-grain lead wadcutter, and regular Small Pistol primers make up my .38 Special target ammo. 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 only primer power chart I have ever seen published was in an NRA American Rifleman article in 1984. 41 - Small Military Rifle Primers | 1,000 Count $ 119.99 $ 99.99. The military imposes specific upper and lower sensitivity limits. 0000077042 00000 n
Primer Flash Test Photos. 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 pressure used to seat primers, pocket uniforming, flash hole uniforming, and seating depth are all factors. Since then almost every company has changed their primers. Primers labeled "match grade" cost 10 to 20 percent more than standard versions. http://www.sksboards.com/smf/index.php?topic=56422.0, http://www.mpzflame.ru/production/primers/, www.sinclairintl.com/product/11248/Primer-Pocket-Tools, https://www.rcbs.com/priming/bench-mounted/automatic-priming-tool/16-9460.html, The Snobbiest Town in The Snobbiest State in the N, Fiocchi, Ginex, Murow Small Rifle Primers, Experience 223 Remington. 0000077015 00000 n
This is where the similarity ends. Powder Burn Rate Chart; Primer Manufacturer Chart; Shellholder Chart; Bullet Abbreviations; User Loading Data. We re $11.99. is a double base powder, same bullet and brass. Three shot groups. endstream
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Read more; CCI #34 7.62mm Military Primers. We used 091014. Ive since rerun the series with .308 Win Palma brass and small primers. Yeah yeah yeah, and matchkings won't kill a deer. Editors Comment: Laurie shot three, 5-shot groups at 100 yards with each primer type. Listed From Fastest to Slowest: 1 NORMA R1 36 Winchester WSF. A larger sweet spot means more reliable ignition in guns that produce off-center hits. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. LR = Large Rifle . 5.0 out of 5 star rating (5) Winchester Reloading Small Pistol Magnum Primers. The following are with 75 grains of Reloader 19. Within every Remington primer is a group of subcomponents assembled to exceptionally tight tolerances. A F215 in a .338 Win Mag load. I know everyone has a favorite, and although theyre really tough to get, I would really liked to see the Wolf LR-M in that mix. It is ever so slightly hotter than the small rifle magnum primer and it comes with a brass colored thick cup. 0000006474 00000 n
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 . following primers in our possession. Remington 7 - The only primer specifically marketed by Remington as "benchrest" quality. _gaq.push(['_trackPageview']);
Thanks for the insight Rocky. Match event calendar and rifle competition accuracy training tips. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. NOTE: Values in chart are based on 15-Shot strings. 0000015264 00000 n
Both for 6.5 CM. We had to stop our test at this stage, as our TRG-41 got You must log in or register to reply here. All the following groups were 3 shots at 100 yards, I wrote were of 50 when limited amounts were available. All 3 round with the RWS primer had hang fired. Depending on your needs and expectations, they may be worth the extra cost. 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. Federal - 209A. The following loads were shot in a Remington 700 chambered http://forums.accuratereloading.com/eve/forums/a/tpc/f/2511043/m/77010865, http://www.riflemagazine.com/magazine/article.cfm?tocid=654&id=50, http://www.accuratereloading.com/primer.html. $7.99. Do not use these charts for load development. It confirms what many of us have known for a long time. And small rifle primers within the large. German Salazar's pictures were taken in 2005. $7.99. We thought of trying 3 different powders in each case This shows the pointer after a shot has been fired. 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.
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