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. NOTE: Values in chart are based on 15-Shot strings. And standard 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? to be similar in burning rate. var _gaq = _gaq || [];
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. 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. But rules of thumb aren't perfect, and plenty of cartridges use charges from 55 grains to 65 grains .30-06, .270 Win. Total group size variance (from best to worst) was 0.27. Ballistic Tips paired with 58.0 grs. . This may be the most comprehensive and thorough LR primer test ever done. I did not put in the individual comments. Three shot groups. Match event calendar and rifle competition accuracy training tips. Makes me think about some BR4 primers for my 6.5x47L over the #400. And real standardization. Yeah yeah yeah, and matchkings won't kill a deer. One new winner* is announced every week! Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. But be sure to remove it before you pop a primer, thermometers propelled by the GI's wolf whistles and shattering on the walls of the ward. JavaScript is disabled. The following loads with 63 grains of H870, same bullet and CCI Bench Rest Large Rifle Primers 1000/Box $199.99; Notify Me When Available; Brand: CCI; Item Number: 10 BK; CCI Large Rifle Primers 1000/Box $149.99; Notify Me When Available; . We have found the
LRM = Large Rifle Mag . Some of Lauries results may surprise you. Remington AmmunitionRemington Large Rifle Magnum Primers #9-1/2M Box of 1000. 4 Accurate Arms Nitro 100 39 IMR, Co SR 4756. 3 VihtaVuori N310 38 IMR, Co Hi-Skor 800-X. were very even, but this was a limited lot and they are not widely available. 1 Fed Match GM215M 6.12 5.23-6.8 .351. for the 300 Weatherby magnum. I like the Wolf/Tula also because there a couple .0001s larger diam. My experience with the small rifle primers is just the opposite. Dev. Any thoughts? Must add the Federal Dry Bag to your cart, one per order. CCI BR2 and the Fed 's were the most even of the common ones. Large rifle primers - which measure about .128 inches in height and .212 inches in width. New. 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 .
Of the others, there WAS a relation between weight and power. %%EOF
Compare Compare Now. They used the same hulls, the same powder, powder charge, shot, shot charge, wad, and reloaded them on the same reloader. 0000010068 00000 n
grains in, or a variety of combinations). The first "magnum" primer, the Federal 215 was designed for this very purpose. Great OP. [ARCHIVED THREAD] - Primer burn rate(?) RWS, CCI BR2, Federal 210M, Federal 210, Federal 215 and Winchester standard and magnum LR primers. Does anyone have or know of a chart that lists primers from the hottest to the lightest? 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. It's higher than 30-30, and not much less than the 30-06. Not that I've ever seen. Must add the Remington License Plate Frame to your cart, one per order. At .020' thick cup metal, these primers are minimal, at best, for light .223 Remington loads. Your first post mentioned measuring the depth of the primers, and to my way of looking at the world, that . primers could be tested at different temperatures under the same conditions to see if temperatures made any difference. $115.00. This is the home made tester. 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. Let us start with Large Rifle Primers (LRP) vs Large Pistol Primers (LPP). Very good read. Match King bullet, molly coated. 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). 0000028191 00000 n
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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. And, NO! The biggest surprise to me came from an elderly (at least 10 years) lot of Czech Sellier & Bellot standard caps with an ES of 12 and SD of 3.1 fps, way below those of the nearest competitor. 40,5. groups. PSA 300blk with some off brand remanufactered ammo. www.6mmbr.com. $12.99. Non-corrosive, all weather primers deliver fast, dependable ignition under any shooting condition. 0000054368 00000 n
Now, I tend to read pressure signs from my primers first. SR = Small Rifle . Testing 16 primer types was a huge task we commend Laurie for his hard work and thoroughness. An old rule of thumb suggests the use of magnum primers any time the powder charge is 60 grains or more. The pressure changed dramatically sometimes (8k-13k PSI). This is where the similarity ends. 4.0-5.0 .2460, 11 CCI 200 LR 4.28
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Lauries findings will doubtless influence many hand-loaders who hope to produce more consistent ammunition, or achieve better accuracy. We picked this load because it shot reasonably different case sizes. The shot is fired against a weight which in turn moves a pointer. The following loads are with 45.2 grains of BL-C 2, same Lyman & Nosler classify this as a standard primer, but Hornady, Handloads.com, and Chuck Hawks classify it as a small rifle magnum primer. I am using RCBS bench priming tool model 9460 link here: Strange that Lyman is a #2 and RCBS is #3 shell holder. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
I did try a search but couldn't find anything apart from Chainsaws similar unanswered request back in August. The following loads were shot in a Sako TRG-41 target 0000053794 00000 n
All the following loads were with the Berger 85 grain Equipment reviews (.243 bullets, 30BR cartridge, 6mm Norma. We thought we would run our own test, using all the different primers that we have here. 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
The Test. CCI #250 Large Rifle Magnum Primers (1000) Rated 5.00 out of 5 $ 95.00. .2232, 16 CCI 300 LP 3.18
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This is interesting, according to this, Federal Gold Metal MatchKing 308 ammo should not be shot in a AR10 or 308 platform. The LRP is at least .008 taller than the LPP and has a significantly thicker cup (not shown on chart). All 3 round with the RWS primer had hang fired. Found this from offsite search, exactly the information I need. 2847 0 obj
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The following are the results of a 308 Winchester, shot in AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Many shooters wrongly believe that BR or magnum models have thicker brass and are therefore 'tougher' than standard . Sale! The Effects Of 2.6-3.5 .2090, 18 Fed Match GM150M 3.05 2.6-3.7 .2299. A few
It has a Hart barrel #5 and a PRODUCT No: TYPE OF PRIMER USED FOR PCS PER BOX SP = Small Pistol . Gold Medal Centerfire Primer .205. It was topped with a Leupold 6.5-20X scope in Leupold For a better experience, please enable JavaScript in your browser before proceeding. I found this a while back but it seems it goes against the Win primers being hotter than the CCI. Three shot groups. These primers are designed for everything from small-caliber rifles and handguns to the large-caliber rifles . This testing was done to try and rank primers by power (brisance). $47.99: NA: Notify: Midway: Winchester Large Rifle Magnum Primers 8-1/2M. borrowed. 2 Winchester WAALite 37 VihtaVuori N340. The ES/SD numbers will therefore be higher than is typical with five-shot strings. Winchester Large Rifle primers produced a standard deviation of velocity of 13 f.p.s. 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 . average of all the 4 groups above it. 2829 0 obj
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Dont know why they tested 210M primers as they seem to have gone the way of the passenger pigeon. The following are with 92 grains of H 870, same bullet and The 7.6254mmR is a rimmed rifle cartridge developed by the Russian Empire and introduced as a service cartridge in 1891. It seems to even out the ignition by eliminating a variable (sometimes with grains in and sometimes without
Depending on your needs and expectations, they may be worth the extra cost. same bullet and brass. Very interesting. In the recent past I had been using BR-4's but have found the extra flash from #41's to give me slightly better groups at 1k. _gaq.push(['_setDomainName', '.accurateshooter.com']);
I just remembered people liking them. 0000004308 00000 n
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. 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 . Are there any primer hotness charts here? CCI "APS" Large Pistol Primers Strip No. Remington - 209. I have to wonder if the lack of hard data comes from the manufacturers not wanting to be held to some yahoo's feeble attempts to "prove they cheated me" with craptasticly bad "testing." Yeah yeah yeah, and matchkings won't kill a deer. 0000027640 00000 n
Primer with Lowest ES/SD: Sellier & Bellot LR (12/3.1 fps) 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. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP, Brand/type Power Average Range Std. There really is no such chart. Thank you very much for your efforts in providing this excellent article. I hear ya. Interesting that the CCI BR2 was running hotter than the CCI 200. I thought wolf and tula were unobtanium via Russia? Thanks. Any use of this content without express written consent is prohibited. Match event calendar and rifle competition accuracy training tips. I'm am not doing this again! The following loads were with 48 grains of VVN 550 powder, 1 of the frozen BR2 rounds hag fired. Large rifle primers all appear to have the same cup thickness, no matter what the type. $7.99. 14 Likes. 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. 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). We used Lapua brass and the _gaq.push(['_setAccount', 'UA-6323545-2']);
A write-up will be done soon. I wish I had the original range data, but it's long gone. 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. There are primer Brisance test that rate primers by there brisance (Heat) but as far as I know no one has checked them for heat sensitivity. Add to Wishlist. What is the pressure of a .44mag? Reply. The rationale for doing side-by-side tests is to see what effect primer choice has on ballistics, i.e. CCI No. Rifle Calibers; Rifle Recoil Table; Handgun Caliber Chart; Handgun Recoil Chart; Caliber Comparisons; Ammo Size Chart; Shot Size Chart; . 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. })(); To comment on a post, click Post Title or "Comment" Link. Since then almost every company has changed their primers. CCI 400 primers are designed for .22 Hornet, .218 Bee, .219 Zipper, and .222 Remington loads: NOT for .223 Remington! Credit should also be given to Target Shooter Magazine for publishing the results. I think we have enough data above to get some sort of idea of how Three shot groups. 6 rounds with the RWS primers hang fired, including 2 of 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. (The total velocity spread for all primers was 35 fps). Thats counter-intuitive and its odd that Rems were at opposite ends of the speed spectrum among ALL primers tested. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. 506 0 obj
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CCI "APS" Large Rifle Primers Strip . Small pistol primers - which are about the same size as small rifle primers but designed specifically for handguns.