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AR bolt wear / cracking / breaking

Discussion in 'Gunsmithing and Repairs' started by velocette, Feb 18, 2012.

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  1. velocette

    velocette Member

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    Ft. Lauderdale Fla
    I own two AR type rifles. One in .223, (RRA) the other in .308. (DPMS)
    The .308 has just over 1500 rds through it, the .223, about the same.
    Both are and have been completely reliable with no jams, ftf, fte etc when fed even half decent ammo. (darned accurate too)
    My question is are the bolts failure prone? Or more accurately, a normal wear item needing replacement after XXXX # of rounds through them?
    I do have spare parts kits for both, but am interested in knowing if I should perform preventive maintenance on either of them and if so when.

    Roger
     
  2. dprice3844444

    dprice3844444 member

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    se fla i love claymores 01/sot
    don't worry aboutem
     
  3. taliv

    taliv Moderator

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    http://www.dtic.mil/ndia/2006smallarms/taylor.pdf
    page 44
    pages 45, 46 and following show plenty of pics of their study of cracked bolts, lugs, etc.
     
  4. rskent

    rskent Member

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    Thanks Taliv – Very interesting read.
    Steve
     
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