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The Range
Gunsmithing & Repairs
An AR15 problem
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<blockquote data-quote="Snake" data-source="post: 3064484" data-attributes="member: 42335"><p>I bought a LNIB Bushmaster (It was a good price ok?)anyway It shoots good,is fairly accurate but it has one problem...It won't lock back after first shot. Heres what I've done to it so far...Swapped bolts with a known good one...Swapped buffer and spring with know good one...tried several different known good mags. No improvement. I've been shooting new Federal .223 55 gr. FMJ. As said It cycles fine just no last round hold open. Ideas?</p></blockquote><p></p>
[QUOTE="Snake, post: 3064484, member: 42335"] I bought a LNIB Bushmaster (It was a good price ok?)anyway It shoots good,is fairly accurate but it has one problem...It won't lock back after first shot. Heres what I've done to it so far...Swapped bolts with a known good one...Swapped buffer and spring with know good one...tried several different known good mags. No improvement. I've been shooting new Federal .223 55 gr. FMJ. As said It cycles fine just no last round hold open. Ideas? [/QUOTE]
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An AR15 problem
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