I have an AR15 that shoots brass rounds fine but when I shoot steel I get light primer strikes any ideals how to fix. Been told I should get a Palmetto State nitride bolt group. I just don't want to spend the money if I don't need to. The AR is a Anderson Arms upper and lower 5.56 223
Light primer strikes
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Measure the length of the bolt, and the length of the firing pin, with a caliper. Lengths here should not be a problem but just to eliminate them from a cause...
How many rounds downrange (looking for the amount of breakin)?
What bolt/bcg do you currently have, is the bc phosphated or what.
yes, maybe the trigger group/hammer spring.
maybe smoothness/cleanliness of the bolt, inside and out. Do you remove the extractor when cleaning to get at the insides of the bolt...
Do you have another bcg to try, I'm guessing by your comments - not. Having a few key spare parts is a really good idea btw... 1 is none, 2 is one.
These are some ideas that occur to me."Down the floor, out the door, Go Brandon Go!!!!!"
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I had a Maxim bolt that gave me light strikes. I bought an enhanced 7.62x39 firing pin and that solved the problem. It extends proud of the bolt face by .042" and it leaves a nice dimple.
My Alexander bolt works fine straight out of the box with the standard pin.I'll be yer Huckleberry.
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Last edited by VASCAR2; 03-04-2018, 02:10 AM.
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Sounds to me like you either have a too light of force hammer spring or a too light hammer. The too light springs decreases the force needed to apply the force of the hammer to the firing pin to set the HARD primer of the Wolf ammo off. Or your hammer is too light, this happens with bobbed hammers and some lighter drop in trigger hammers to apply enough force to set off the HARD primers of the Wolf ammo.
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Originally posted by Greyling View PostI was under the impression that bobbed hamers hit harder because they were moving faster. That the reason JP could get away with lighter springs was the bobbed hammer. You know, force equaling mass times velocity squared.
(Just sayin')If it's true that we are here to help others, then what exactly are the others here for?
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Originally posted by NugginFutz View PostYou can't swing a rolled up piece of paper fast enough to drive a nail...
(Just sayin')Nothing kills the incentive of men faster than a healthy sense of entitlement. Nothing kills entitlement faster than a healthy sense of achievement.
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Originally posted by NugginFutz View PostYou can't swing a rolled up piece of paper fast enough to drive a nail...
(Just sayin')Last edited by bj139; 05-03-2018, 02:52 AM.
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I've always preferred light hammers for fast lock time.
But setting off a C/F primer requires force and inertia. Especially the thick cup primers we use.
It's possible that a light hammer might not have enough mass/momentum to force the firing pin deep enough to hit the compound. Might be bouncing off the firing pin.Last edited by Randy99CL; 05-04-2018, 04:16 AM."In any war, political or battlefield; truth is the first casualty."
Trump has never had a wife he didn't cheat on.
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The Wolf ammo has HARD primers and it takes a good lick to set them off. That is the reason that many have to go to stronger hammer springs in 7.62x39 and I have seen notifications in the past from companies that state that the use of Wolf or any steel case ammo may not fire in their rifles.
I have a friend that has been a gunsmith for 40+ years that I went to for advice when I was having some fail to fire problems with an older Ruger 77 bolt rifle. The first thing he told me was change the spring in the bolt. These older Ruger rifles he said had springs that would weaken over time and cause fail to fire problems even though it would leave a pretty good dent in the primer. He just happened to have a spring in stock because he was seeing this problem a lot. I got the spring and installed it and never had another fail to fire. So even with a heavy hammer you can get it going too slow and it will not fire and you can get a light hammer going fast but if it does not have enough weight to provide a hard enough blow it will not fire.
"You can't swing a rolled up piece of paper fast enough to drive a nail..."
I love this, simple but true.
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