Yea, when I first got my 6921 (same as your 6920, just a shorter barrel), I was new to ARs and spent a lot of time looking all over it for the "6921" model designation. Thought I'd been ripped off, until I did some research.
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Yea, when I first got my 6921 (same as your 6920, just a shorter barrel), I was new to ARs and spent a lot of time looking all over it for the "6921" model designation. Thought I'd been ripped off, until I did some research.