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Ammunition review - Wolf M193/Prvi Partizan M193 (Page 6 of 6)
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So far I'm not having much luck with this ammo in my LaRue DMR-16, which is cleaned and liberally lubed after each range trip. Both times I used the PRVI I went through the first magazine without any trouble, but on the second mag the spent brass would get stuck in the bolt and the next round would begin to feed. This would happen with either every round or every other round throughout the magazine. This upper eats Federal/LC XM193 and the PRVI match ammo like candy. I'm thinking it's something to do with that red sealant around the primer, as it gets everywhere in and around the bolt, but that's just speculation on my part.
I got about 1k rounds of this stuff so hopefully it feeds ok in the Noveske 14.5 carbine I have. 
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Even a pot holiday beats the shit out of Kwanzaa: Another_Dude
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Not wolf, but I bought 1K of PPU M193 and 1K of PPU M855 this year. I've shot about half of each case. I had a single fail-to-fire due, I believe, to a light primer strike using the M855. Fired just fine the second time. I have light springs in my lower, so it's not totally unexpected (although it's the only light primer strike I've ever had). These all have the '08 headstamp. I just pulled one of the M193 for kicks. It had 26.4g of some type of ball powder in it. Bullet seated to 1.907" (measured to ogive). All the headstamps on mine are PPU 08. After measuring I poured the powder back in, re-seated the bullet and crimped and will fire on my next range trip. EDIT: I typically see ~2-3" groups with these rounds out of my rifle at 100yds. |
"In religion and politics, people's beliefs and convictions are in almost every case gotten second hand, and without examination." - Mark Twain.
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Primer sealant goo all over the bolt and extractor, but a good deal and nicely hot ammo nonetheless.
EDIT: Forgot two very important things. Firearm used was a Stag Model 2T, 1:9" twist rate. Rounds fired were all 200 in the pack. 
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Link to thread: http://www.ar15.com/forums/topic.html?b=3&f=16&t=501499 NOTE: THIS REVIEW WAS DONE BY MOLON, NOT BY ME. ALL CREDIT BELONGS TO HIM. I AM MERELY ADDING IT HERE FOR COMPLETENESS SAKE. Prvi Partizan M193 2009  PPU’s M193 clone uses a lead core, copper jacketed 55 grain bullet with a cannelure. The base of the bullet has the “rolled edge” design, which in my experience, is not conducive to the best of accuracy. Using a Mitutoyo blade micrometer, I measured the diameter of the bearing surface of the bullet. Several measurements gave an average diameter of 0.22415”.   The cartridge case is constructed of brass and displays the annealing iris typically found on military ammunition. The case mouth and bullet have a small amount of asphalt sealant applied. The case mouth is crimped into the bullet cannelure using a collet crimp. The cartridge is charged will “ball” powder and the primers are crimped and sealed. The head stamp reads: “PPU 09 5.56 x 45”. The cartridges come packaged in little “sugar cube” boxes holding twenty rounds apiece.   The U.S. mil-spec accuracy requirement for M193 calls for 10-shot groups of the ammunition to be fired from a machine rested, bolt-actioned test barrel such as those pictured below.   The mil-spec testing is conducted from a distance of 200 yards and the dispersion of the shot-groups is measured using the mean radius. The accuracy spec requires that the average of the mean radii of all the 10-shot groups is not to exceed 2 inches. A mean radius of two inches at 200 yards equates to an extreme spread of approximately 6 inches or approximately 3 minutes of angle. I performed an accuracy evaluation of Prvi Partizan’s M193 load (lot # 0905-05) following my usual protocol. Shooting was conducted from a concrete bench from a distance of 100 yards (confirmed with a laser range finder.) The test vehicle was a 16” Colt HBAR with chrome-lining, a NATO chamber and a 1:9” twist. This is the barrel found on the Colt 6721 Tactical Carbine. The barrel was free-floated with a LaRue Tactical handguard.  The fore-end of the carbine rested in a Sinclair Windage Benchrest and the butt-stock rode in a Protektor rear-bag. Sighting was accomplished via a Leupold VARI-X III set at 25X magnification and adjusted to be parallax-free at 100 yards. A mirage shade was attached to the objective-bell of the scope. Naturally, the wind conditions were monitored using a Wind Probe. The set-up was very similar to that pictured below.  The Wind Probe.  No animals were harmed during the testing of this ammunition! A 10-shot control group was fired using match-grade hand-loads topped with Sierra 55 grain BlitzKings. The extreme spread of that group measured 0.89”.   Four 10-shot groups of the Prvi Partizan M193 load were fired in a row. The extreme spreads of those groups measured: 2.73” 5.45” 3.07” 3.74” for a 10-shot group average extreme spread of 3.75”. The four 10-shot groups were over-layed on each other using RSI Shooting Lab to form a 40-shot composite group. The mean radius of the composite group was 1.08”. For comparison, the 40-shot composite group of PPU M193 is shown below next to a 30-shot composite group of IMI M855 fired from the same barrel. The 40-shot composite group.  Comparison to IMI M855  The smallest 10-shot group of PPU M193.  |
Daddy loves you. Now go away.
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I recently bought a case of the Prvi M193 from SGAmmo and had a chance to test it out at the range. After reading through the reviews in this thread I wasn't expecting tremendously good accuracy, just hoping it would go "boom" and provide the opportunity to do some plinking. Today was a pleasant surprise. I started out shooting my SP1 (1:12 twist, 20 inch bbl) at 50 yards with iron sights and the groups were pretty tight. For comparison my 10 shot groups with PMC Bronze 55gr FMJ were virtually identical to what I was getting with the Pvri M193. My experience with PMC Bronze is that although underpowered, it is reasonably accurate. I had my Larue OBR 5.56 (18 inch bbl) with me to do some long range shooting, I wasn't planning to shoot any of the Pvri in the OBR, however I was curious if it would be as accurate as it was in the SP1. At 100 yards with the OBR lite the Prvi 10 shot group had a extreme spread of just under 2.5 inches. This was slightly worse than what I managed with the PMC, but still very respectable. Just thought I would pass this along.The options for M193 are rather limited at the moment, so for those thinking about trying the Prvi M193 I would say it is worth a look
Sboye |
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Pretty sure I'm bringing this thread back from the dead or perhaps the ammo reviews have just stopped as everyone figured it out, but I'm new to the AR platform (and the site), so I thought I'd post just for good measure.
Since the images from early on in the thread are now defunct, this is the ammo I am reviewing/voted for: 
Hope that's right. Have to say, I bought half a case of the stuff because it seemed like a good deal from SG Ammo and I wanted a lot to shoot since my gun is brand new. I did a little research prior to the purchase and while I had some reservations, I decided it was plenty good enough and I placed the order. Today was my second time out with the rifle and first time out with this ammo. In the 140 rounds I fired, I experienced no failures of any kind. My build (which I want to detail further on the forum when I get some time), is a 16" barrel with a mid-length gas system, H2 buffer and a JP Enterprises tuned buffer spring. I have not broken down the rifle for cleaning yet, so I cannot yet speak to the cleanliness of the ammo. I will report back when I clean after a couple hundred more rounds. EDIT: 1/5/15 - fired another 160 rounds. Had 1 fail to fire but am unsure what caused this. Round detonated on second attempt. Would absolutely still use the ammo. That is now one malfunction in 300 rounds. |
Ammunition review - Wolf M193/Prvi Partizan M193 (Page 6 of 6)
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