Description
Threads: 1/2-28, 0.400″ long (rimfire length). We cut a proper thread relief at the base of the threads for compatibility with any 1/2-28 device.
Drop-in compatible with AR-15 Lowers with either the ARC-FIRE and Atrius Selector with Rave trigger. No tuning needed with most High Velocity and many Standard Velocity/subsonic ammo types.


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