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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Bolt carrier group replacement
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<blockquote data-quote="woodnut" data-source="post: 1378195" data-attributes="member: 17593"><p>I have an AR 10 with an Armalite bolt carrier group. The builder liked that brand because of the spring on the firing pin. Said it would lessen primer hits as the bolt closed and "slam fires". </p><p>Now, it has been doing very well with 95 and lighter bullets; but when I started trying 108s and a VERY mild load, I got pierced 7 1/2 primers! Not once, but four in a row! I quit at that point. Load worked very well in my bolt rifle and was a low starting load of H4350.</p><p>I am just wondering IF my firing pin is going too long and maybe getting a new bolt carrier group might be advisable. But can you just order a group for an AR10(and 15 for that matter) and just replace? Are they made with tight enough tolerances to keep headspace correct? Any thoughts would be greatly appreciated!</p></blockquote><p></p>
[QUOTE="woodnut, post: 1378195, member: 17593"] I have an AR 10 with an Armalite bolt carrier group. The builder liked that brand because of the spring on the firing pin. Said it would lessen primer hits as the bolt closed and "slam fires". Now, it has been doing very well with 95 and lighter bullets; but when I started trying 108s and a VERY mild load, I got pierced 7 1/2 primers! Not once, but four in a row! I quit at that point. Load worked very well in my bolt rifle and was a low starting load of H4350. I am just wondering IF my firing pin is going too long and maybe getting a new bolt carrier group might be advisable. But can you just order a group for an AR10(and 15 for that matter) and just replace? Are they made with tight enough tolerances to keep headspace correct? Any thoughts would be greatly appreciated! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Bolt carrier group replacement
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