They fit any AR15 lower and have an FA and shell deflector, they are tested with Wolf and Winchester before they are shipped.
The biggest thing is being able to reliably ignite the Russian primers, the mid gas helps extraction of the steel cases and the M4 ramps help feeding.
5.56, 6.8, SIX5. The Nexgen of 308s
To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.