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I bought 1000 to use in my .223 service rifle ammo. I'm getting constant failure to fire and hang fires with 55gr Sierra SP and Win 748 in Federal cases. I have read of people having issues with the standard primers and ball powder. A guy on arfcom had the same issue as me, and he was using the same brass as me, so there is a pattern developing.
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I've been through several thousand of them without an issue.
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Loaded .223 for a Polytech J105 26 gns of 2208 pushing 40 gn v max. Murom small rifle primers. Had enough hang fires out of a batch of 60 loaded rounds to make me destroy the rest of the primers.
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What brass did you use? I loaded up 68gr Hornady BTHP into ADI brass, 24.5gr 2208 and Murom primers, fired the lot off no worries, no hangfires. This is in a different upper though, I'm wondering if a combination of head space and a hard primer cup might be causing the problem?
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The magnum primers are meant to solve the above issues. Reloaders should have got them instead.
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So are these pmc ?
I have used a thousand pmc and only had any issue at all with a pita Rossi
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Been using them for over a year In 223, 600 rounds so far not a
single problem, lake city brass 25grains 2206h with 55gr hornady fmj.
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I brought 10,000 of them years ago as the price was too cheap to go past. Local pistol club did a bulk order and they were $28 per thousand from memory.
Zero issues in both 38 Super Comp, 40S&W and my various .223's
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I ave found they work well with BM2 also. Just stay away from ball powder with them.
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I really like the guys from Reloaders, but muroms suck. Piece of shit. Been reloadin for some 15 years without any primer failure and decided to buy 100 SR murom to try in my 223. As someone else here said, I had so many failures (I used 21st century priming tool) so I decided to destroy the rest. Very very soft primer also. What I tried with good results was Fiocchi SR primer. One of the groups at 100 m was around .186 moa 5 shots group last weekend. Hope this helps. Sorry my "accent" :P
Edit: used muroms with ball powder. Havent tryed with extruded.
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Murom work great with extruded powder. SRM primers are required for ball powder.
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I purchased 200 for my Rem Mag, had 4 miss fires from the first 15 rounds. I stopped there. I wont be buying them again.
Used with ADI2217.
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Also, I had hang fire with extruded powder in 95% of all shots. I usually leave the primer .003" below flush and tried .005" for that reason. Didnt solve the problem. I didnt have good impression of those primers and some people may have good experience. Just my experience.
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I had several hang fires, maybe 1/4 sec delay each, and three complete misfires today at the SR Nationals in Waiouru. Using Murom primers and 24.2 grains of Win 748 behind 69 grain SMK. Wish I'd really taken this thread on board much earlier, fecked up my whole match. Luckily I brought down some backup factory ammo so I can finish the event but its not what I really want to be using.
When I get home I've got to de-bullet nearly 200 rounds and reload with BM 2 or maybe 2208...:oh noes:
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Zero probs with the Morum SR primers for me.
Have fired around 500 rounds using 25.4gn ADI 2206h, mix of FC, Win, PSD, TA and FNB brass and Hornady 55gn FMJs.