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The Range
Rifle & Shotgun Discussion
Frankenstein AR-15 troubleshooting question
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<blockquote data-quote="sparkstable" data-source="post: 3830549" data-attributes="member: 6371"><p>Gas rings appear good.</p><p>The bcg swap I did was with a stock bcg that came with a M&P15 MOE. That one ran fine.</p><p>The barrel is this one <a href="https://www.primaryarms.com/expo-arms-combat-series-11.5in-socom-contour-ar-15-barrel" target="_blank">Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - SOCOM Profile - Carbine Length</a></p><p>And I am about 5'6" 180lbs.</p><p></p><p>The magazines aren't brand new, but by no means worn. And I used 5 different ones when the problem first revealed itself. The same five when the Winchester ran fine (with no set up changes) and the same five with the MP15 bcg ran fine with both Winchester and PMC.</p><p></p><p>My milspec buffer/spring are "away" (got left in a box of parts at my friends house). Once I get them back I plan on returning to do more testing with the H2 and the milspec buffer/spring.</p></blockquote><p></p>
[QUOTE="sparkstable, post: 3830549, member: 6371"] Gas rings appear good. The bcg swap I did was with a stock bcg that came with a M&P15 MOE. That one ran fine. The barrel is this one [URL="https://www.primaryarms.com/expo-arms-combat-series-11.5in-socom-contour-ar-15-barrel"]Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - SOCOM Profile - Carbine Length[/URL] And I am about 5'6" 180lbs. The magazines aren't brand new, but by no means worn. And I used 5 different ones when the problem first revealed itself. The same five when the Winchester ran fine (with no set up changes) and the same five with the MP15 bcg ran fine with both Winchester and PMC. My milspec buffer/spring are "away" (got left in a box of parts at my friends house). Once I get them back I plan on returning to do more testing with the H2 and the milspec buffer/spring. [/QUOTE]
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Frankenstein AR-15 troubleshooting question
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