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The Range
Rifle & Shotgun Discussion
Thinking about a 9mm AR upper...
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<blockquote data-quote="RustyZX9" data-source="post: 1440415" data-attributes="member: 1695"><p>I've had good luck running an H3 buffer with 9mm, .223, and .22lr on the same lower. I don't have the bolt hold open feature with 9mm or .22lr but it's not a problem for me. Just pull the mag block and and swap uppers. The mag block is the top loading Hahn and the 9mm bolt is unramped. Stronger trigger and hammer pins are a must with the 9mm as well.</p></blockquote><p></p>
[QUOTE="RustyZX9, post: 1440415, member: 1695"] I've had good luck running an H3 buffer with 9mm, .223, and .22lr on the same lower. I don't have the bolt hold open feature with 9mm or .22lr but it's not a problem for me. Just pull the mag block and and swap uppers. The mag block is the top loading Hahn and the 9mm bolt is unramped. Stronger trigger and hammer pins are a must with the 9mm as well. [/QUOTE]
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Thinking about a 9mm AR upper...
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