AR Sponsor
Posted: 2/21/2012 4:05:53 PM EDT
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I assembeld my first piston AR upper recently and I really like it. Nice and lightweight and points really well. It might become my "go to" rifle.
Made a quick range trip during lunch and shot 100 rounds. No issues of any kind. I only shot Federal American Eagle and was getting 1" groups at 50 yards which opened to about 2" inches when the barrel heated up. I read a post here recently from someone at AA that mentioned the the kits were designed for a standard buffer for semi-auto and H2 for fill auto. The H buffer on the 6920 lower worked great (maybe because of the lighter weight). Light-weight upper on my LE6920 lower. 6 lb., 9 oz. (w/o magazine) 
Rainier upper receiver w/o forward assist Adams Arms .625 Lite mid-length Daniel Defense light weight mid-length barrel Troy TRX Extreme 9.0 Troy sights Aimpoint T-1 on LaRue mount |
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