Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black 2M109UB01-1F
$1349.95
Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black 2M109UB01-1F. 300 AAC Blackout is a stand-out choice for pistols. If you're looking AR15 Upper Receivers to start your build the Primary...