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BCM
Durkin Tactical Franklin Armory
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Posted: 8/21/2017 10:12:40 AM EDT
Trying to figure out how to solve the non fires with my 5.45 AR build.

I replaced the hammer spring with one of those wolf extra power ones, this helped but not completely.

I am using standard Wolf steel cased 5.45 ammo. Probably 1 out of every 4 rounds will not fire. All other parts are just standard AR parts, not sure what else I need to do in order to solve this. Hammer spring is installed correctly.
Link Posted: 8/21/2017 10:44:20 AM EDT
[#1]
Link Posted: 8/21/2017 10:47:56 AM EDT
[#2]
awesom... funny I thought about longer firing pins last night and then totally forgot about it by the morning.
Link Posted: 8/21/2017 11:22:17 AM EDT
[#3]
I don't wana sound pompous but....

The ar15 was designed for soft primers of American 5.56

Even with the Wolff extra power spring that's really pushing it.

The 5.45 is for glorious Soviet hammer smack from crude Tula spring comrade'
Link Posted: 8/21/2017 11:28:07 AM EDT
[#4]
Yup first thing I thought of also.  Let us know how it goes.
Link Posted: 8/22/2017 6:47:06 PM EDT
[#5]
Link Posted: 9/27/2017 10:18:11 AM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Red X Arms
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Had same issue with Adam Arms 5.45 upper. Enhanced firing pin with ALG QMS trigger, goes bang every time.
Link Posted: 10/25/2017 12:48:09 PM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Had same issue with Adam Arms 5.45 upper. Enhanced firing pin with ALG QMS trigger, goes bang every time.
View Quote
Same here.
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