Shooting my CMMG Mk4 5.56 rifle @ 300 yards. Angeles Range in Commiefornia.
yes there is a Bullet Button on the rifle making it compliant.
-Midwest Industries free float 2 piece quad rail
-Primary Weapons Systems FSC comp
– DPMS basic Lower Parts Kit
– Magpul mbus irons
– Bushnell AR optic 1-4x24mm BDC reticle
– Burris AR-PEPR mount
