Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-6 Twist Matte Black MK1-M2U-300BLK-9
$1399.95
Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-6 Twist Matte Black MK1-M2U-300BLK-9. 300 AAC Blackout is a s