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The Range
Rifle & Shotgun Discussion
AR-15 failing to go into battery
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<blockquote data-quote="Perplexed" data-source="post: 3748524" data-attributes="member: 7157"><p>The problem occurs both with PMags and with aluminum USGI mags, and with two bolts, one of which came out of another AR that runs just fine, and the problem also occurs with a second lower, out of that same functioning AR. So I’m pretty sure the issue is in the upper. What I’ll try next is to mate the first lower with the known good upper and do a function check, just to definitely eliminate the lower as being part of the issue, and go from there. You’re right, tinkering and tweaking will be the order of the day. I’m starting to suspect the side charger as being the issue, or perhaps the barrel’s locking lugs being slightly out of spec - or something!</p></blockquote><p></p>
[QUOTE="Perplexed, post: 3748524, member: 7157"] The problem occurs both with PMags and with aluminum USGI mags, and with two bolts, one of which came out of another AR that runs just fine, and the problem also occurs with a second lower, out of that same functioning AR. So I’m pretty sure the issue is in the upper. What I’ll try next is to mate the first lower with the known good upper and do a function check, just to definitely eliminate the lower as being part of the issue, and go from there. You’re right, tinkering and tweaking will be the order of the day. I’m starting to suspect the side charger as being the issue, or perhaps the barrel’s locking lugs being slightly out of spec - or something! [/QUOTE]
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AR-15 failing to go into battery
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