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The Range
Rifle & Shotgun Discussion
Frankenstein AR-15 troubleshooting question
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<blockquote data-quote="undeg01" data-source="post: 3827516" data-attributes="member: 26476"><p>This is very much correct. I have a 300 blk that wouldn’t cycle, even though I had what appeared to be an appropriate gap. Ended up, I had to gap it nearly double of normal to properly align the gas port and gas block. If you pull your gas block, you should see a carbon ring around the port in the barrel. If that ring is not uniform around the hole, your gas block is misaligned.</p></blockquote><p></p>
[QUOTE="undeg01, post: 3827516, member: 26476"] This is very much correct. I have a 300 blk that wouldn’t cycle, even though I had what appeared to be an appropriate gap. Ended up, I had to gap it nearly double of normal to properly align the gas port and gas block. If you pull your gas block, you should see a carbon ring around the port in the barrel. If that ring is not uniform around the hole, your gas block is misaligned. [/QUOTE]
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Frankenstein AR-15 troubleshooting question
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