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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 9/24/2005 8:21:23 AM EDT
What are the most common worn/broken parts in the AR system? All I can think of is:

Buffer Spring
Extracter Spring
Firing Pin Retaining Pin
Firing Pin

Please tell me if I missed any...
Link Posted: 9/24/2005 8:47:59 AM EDT
knock on wood

but i have a few rifles that are near the 10k mark and have never needed anything changed
Link Posted: 9/24/2005 10:22:34 AM EDT
I keep some carrier rebuild kits,spare bolts,disconectors,bolt catch mag catch assemblys,hammer,trigger.I have multiple ARs so I keep more than one of the same item around.I have 12 and 13 year old Bushmasters whose only parts changed were barrels,stocks and the carrier when the closed bottom ones started to appear.So I ran the same carrier and lower parts and those parts are still kicking after many thousands of rounds as the rifle changed configurations a few times.
Link Posted: 9/24/2005 1:39:33 PM EDT
I've personally seen two broken bolt catches.
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