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Discussion Starter · #1 · (Edited)
I'm selling my Rock River Arms A4 Varmint 20" bull barrel upper to help finance a different build. 5.56/.223 Wylde chamber. Barrel has a 1:8 twist. Chrome BCG and charging handle included. I bought this brand new a few years ago.

It's had roughly 650 rounds down the tube. Perfectly broke in. I'm getting .5 MOA on average with my reloads. Never been hot-rodded or mag dumped.

$575 Price drop: $475

Shoot me a text at 720-318-6728


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