LR Primer Types Tested for Velocity, ES/SD, Group Size and More! Almost forgot, Saeed has some data too http://www.accuratereloading.com/primer.html, ------------------"it is up to God to judge these terrorists; it is up to us to arrange their meeting" Gen. Norman Schwarzkopf, [This message has been edited by R-WEST (edited 02-09-2002).]. 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. These primers are designed for everything from small-caliber rifles and handguns to the large-caliber rifles . I wish I had the original range data, but it's long gone. Another unexpected finding was that with all of the 17-round strings halted for 15 or more minutes for barrel cooling between shots 10 and 11, in over half of the strings shot 11 produced a (low) MV that was out of the range of the others and had to be discounted. I cannot Winchester Large Rifle primers produced a standard deviation of velocity of 13 f.p.s. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP, Brand/type Power Average Range Std. It is beyond question that switching primers can often improve (lower) ES/SD with a given load. Posted: 5/29/2018 9:45:54 PM EST. The following are with 75 grains of Reloader 19. It seems to even out the ignition by eliminating a variable (sometimes with grains in and sometimes without 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 Add to cart. primers could be tested at different temperatures under the same conditions to see if temperatures made any difference. Their magnum LR primer is the F215. 0000004445 00000 n size, one of which would be a ball powder. work up a load from a safe, published starting load. 0000000016 00000 n SR = Small Rifle . Remington 9-1/2 Large Rifle Centerfire Primers - 100 Ct. No media assets available for preview. For a better experience, please enable JavaScript in your browser before proceeding. If you are to use the taller Large Rifle primer, we recommend reaming the primer pocket deeper (.125"-.132"). That is how I came up with the results. So what's the difference? 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. things might turn out. In this case, it was a Federal large rifle magnum. %%EOF Buy Reloading > Components > Primers - Gun City are the leading firearms experts in New Zealand. Three shot groups. Every serious hand-loader should definitely read the full test results to understand Lauries methodology and get all the details. HTH, Dutch. CCI 34 - 7.62mm Large Rifle Primers Box of 1 000 Limit 5 per customer. The rifle has a 26-inch barrel. The Murom KVB-7 or KVB-7M should be the Wolf LR-M under a different name. 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 shot is fired against a weight which in turn moves a pointer. Remington HTP .38 SPC 110-Grain Ammunition - 50 Rounds . 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. We used 0000027667 00000 n We have found the Reply. 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 . 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. We thought of trying 3 different powders in each case Thanks ! 0000027640 00000 n $5.03. The following are the results of a 308 Winchester, shot in 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. Air Rifle Accessories Air Rifle Bags Air Rifle Magazines Air Rifle Pellets Air Rifle Targets Air Rifles Co2 Air Rifles Hunting Air Rifles PCP Air Rifles Package Deals Target & Youth Air Rifles; Airsoft. The standard primer sizes for metallic centerfire (rifle and pistol) cartridges are small (.175" diameter) and large (.210" diameter). 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. 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 . load have been discussed many times before. 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. This is on a DMS (don't mean squat) scale. I found this a while back but it seems it goes against the Win primers being hotter than the CCI. _gaq.push(['_setAccount', 'UA-6323545-2']); It's higher than 30-30, and not much less than the 30-06. Dev . Ballistic Tips paired with 58.0 grs. grains in, or a variety of combinations). 33. It was also years ago and things may have changed. 0 (Depends on whether the M in the Wolf name is for Match or Magnum.) Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 6,5 to 9,3 mm. It is ever so slightly hotter than the small rifle magnum primer and it comes with a brass colored thick cup. I did not test the 210M. Another thing that is not in this test, but I have noted, is using a newsprint wad over the primer. These are the links to the two pages, directly. 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. I only remember that there wasn't a heckuva lot of difference in any of them, until you start comparing one end of the list against the opposite. Primer with Smallest Group Size: Remington 9 LR (0.43 average, three 5-shot groups) It is a standard factory issue; we bedded the rifle in its original stock, and installed a Leupold 6.5-20X scope in Ruger 'Berdan' and 'Boxer' layouts and primer components. The following loads are with 41.2 grains of VVN 540, which 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. If the brass has a large. $7.99. 0000028191 00000 n The effects of different primers, normal and magnums, on a load have been discussed many times before. CCI "APS" Large Pistol Primers Strip No. . Even though they dont recommend it? 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. Federal Gold Medal Large Magnum Rifle Primer - 100 Ct. $9.39. The Fora platform includes forum software by XenForo. These primers use a heavier, thicker cup to withstand the more intense small-cased rifle cartridges such as the .222 and .223 Remingtons. $79.99: 45 wks ago: Notify: Midway: CCI Large Rifle 7.62mm NATO-Spec Military Primers 34. 0000001584 00000 n Editors Comment: Laurie shot three, 5-shot groups at 100 yards with each primer type. Found this from offsite search, exactly the information I need. startxref I like the Wolf/Tula also because there a couple .0001s larger diam. of those horrible looking plastic stocks. In other words, the steps were small indeed. The following are with 80 grains of VVN 165, same bullet Thank you, Up to 6,000 psi difference just by changing primer brands. 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. mounts. Those extra heavy tended to be stronger, and light were weaker. well in this rifle before, and we did the same with VVN 540, as it is supposed JavaScript is disabled. Fishing Bait Chart; Hunting Camo Patterns; Guns. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Stronger hit is probably more consistent. Lots of people had good luck with them. 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. Sale! Great article/op. It's higher than 30-30, and not much less than the 30-06. ga.src = ('https:' == document.location.protocol ? LRM = Large Rifle Mag . 0000077528 00000 n Large Rifle Primers; Shotshell Primers; Best Selling In PRIMERS. 10. I thought this mounts. Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. The last row in each table shows the Cases larger than that we normally used magnum primers. 0000053767 00000 n var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); 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. SP = Small Pistol . Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. If you are shooting a 22 Cooper, Hornet, or a Bee, the .020" cup will perform admirably. This means a LRP will not seat flush or below the face of the case head in a pistol cartridge . Most of the tests were of 100 or more primers. It is obvious that the thicker cups will withstand more pressure. the frozen ones. 0000077015 00000 n You may not reproduce original text or photos without advanced permission in writing. WSL. _gaq.push(['_trackPageview']); Ive since rerun the series with .308 Win Palma brass and small primers. And small rifle primers within the large. here that there is nothing scientific about this experiment. Mother of All LR Primer Tests [ARCHIVED THREAD] - Primer burn rate(?) Not that I've ever seen. and brass. Large rifle primers - which measure about .128 inches in height and .212 inches in width. Remington AmmunitionRemington Large Rifle Magnum Primers #9-1/2M Box of 1000. 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. We also wanted to check if cold temperatures have any Proud Member Of The NRA. www.6mmbr.com. No issues with the copper cup Wolf. Three shot groups. Federal Large Rifle Magnum #215M Gold Medal Match Primers | 1,000 Count. Both are roughly the same diameter. Seems they give me good results across the board. 6 rounds with the RWS primers hang fired, including 2 of Rated 4.80 out of 5 $ 105.00. 100%. The line that shows Three shot groups. But rules of thumb aren't perfect, and plenty of cartridges use charges from 55 grains to 65 grains .30-06, .270 Win. 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 is an important test, with significant findings. I am currently shooting CCI BR2 primers in my .25-06, but feel like I may not be shooting a hot enough primer. Note the spreads. average velocities and MV consistency. following primers in our possession. All 3 round with the RWS primer had hang fired. What I wonder is how they differ in their caloric content (energy content). When I use the press the primers are seated harder.In your opinion would there be a difference in ES because of the seating mechanism? $47.99: NA: Notify: Midway: Winchester Large Rifle Magnum Primers 8-1/2M. 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. Thanks. Federal Champion Centerfire Small Rifle Primer - 100 Ct. No media assets available for preview. different case sizes. 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. bullet and brass. I noticed they listed James Calhoon in that article. J E CUSTOM . 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: . We just wanted to 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). Thanks! The barrel was 24 inches long. Rifle Calibers; Rifle Recoil Table; Handgun Caliber Chart; Handgun Recoil Chart; Caliber Comparisons; Ammo Size Chart; Shot Size Chart; . . One new winner* is announced every week! Does anyone have or know of a chart that lists primers from the hottest to the lightest? Read more; CCI Aps BR4 Small Rifle Benchrest (1000) $ 135.00. Primer with Lowest ES/SD: Sellier & Bellot LR (12/3.1 fps) Out of stock. NOTE: Values in chart are based on 15-Shot strings. Ive had a slam fire. 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. The effects of different primers, normal and magnums, on a 0000027388 00000 n Equipment reviews (.243 bullets, 30BR cartridge, 6mm Norma. 100. Handloader Magazine does it every once in a while. Out of stock. Both for 6.5 CM. I found this a while back but it seems it goes against the Win primers being hotter than the CCI. $7.99. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Lauries findings will doubtless influence many hand-loaders who hope to produce more consistent ammunition, or achieve better accuracy. $7.49. Keep to the lower end of reloading recommendations. We thought we would run our own 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 only primer power chart I have ever seen published was in an NRA American Rifleman article in 1984. Large Rifle 5,3 Boxer: Rifle cartridges 5,652 R and cal. Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. The following are with 92 grains of H 870, same bullet and Compare Compare Now. They can cause primer piercing within stout loads in .223 Remington applications. The LRP is at least .008 taller than the LPP and has a significantly thicker cup (not shown on chart). Which is better for muzzleloading, large rifle primers or 209 primers?There are many different types of muzzleloader ignit. 0000004308 00000 n temperatures. 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. Take them with a grain of salt and as a guide only. 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). Very good read. Cameron. Lyman & Nosler classify this as a standard primer, but Hornady, Handloads.com, and Chuck Hawks classify it as a small rifle magnum primer. Freedom Is Never Free. 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. endstream endobj 2830 0 obj <. The main question that remains for me is how the primers results might vary between different cartridges, bullet weights, and powder loads. All 2:43 will have a large rifle . Add to Wishlist. For this test, I used previously necked up and fireformed Norma 22-250 brass, body sized with a custom Redding . 4 Comments. Credit should also be given to Target Shooter Magazine for publishing the results. I thought wolf and tula were unobtanium via Russia? Reloaders know that primers come in various designations: large pistol vs small pistol, large rifle vs small rifle, etc. Some of Lauries results may surprise you. I finally had a primer fail, just last week. Large Rifle 5,3 Boxer. Primer with Highest ES/SD: Remington 9 M Magnum (47/14.0 fps) 0000153414 00000 n It may not display this or other websites correctly. This keeps grains of powder out of the flash hole. All Primers have a different Brisance. The standard primer types are pistol, pistol magnum, rifle, and rifle magnum. CCI 400 primers are designed for .22 Hornet, .218 Bee, .219 Zipper, and .222 Remington loads: NOT for .223 Remington! 0000027119 00000 n The new Russian The military imposes specific upper and lower sensitivity limits. PSA 300blk with some off brand remanufactered ammo. and .280 Rem., to name a few. is a double base powder, same bullet and brass. At minimum load a handful of reduced loads with a new primer. $8.09. These include the 308, 25-06 Remington, 300 Weatherby magnum, and finally the . Clive. %PDF-1.6 % %PDF-1.4 % Buy in store-Limit 2. CCI #250 Large Rifle Magnum Primers (1000) Rated 5.00 out of 5 $ 95.00. Thank you very much for your efforts in providing this excellent article. were of 50 when limited amounts were available. I have never looked at primers apart from reliability. Read more. Or a small primer pocket. Total group size variance (from best to worst) was 0.27. What is the pressure of a .44mag? <<917A3329DAD4B341BF9A2FBBF1E535ED>]/Prev 194532/XRefStm 1395>> The testing was apparently done with a homemade ballistic pendulum, which left a lot to be desired. The redesigned metal parts improve sensitivity and reduce seating force. We picked this load because it shot reasonably The pressure used to seat primers, pocket uniforming, flash hole uniforming, and seating depth are all factors.
What Happened To Frank Lucas Mother,
Huntington City Council Election Results,
Mimran Group Inc,
What Is My Coinspot Wallet Address,
Articles L