Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black

Primary Weapons Systems MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black. 300 AAC Blackout is a stand-out choice for pistols. If you're looking AR15 Upper Receivers to start your build the Primary Weapons Systems MK109 MOD 2-M 9.75-inch Upper Receiver is an excellent choice. With a pistol-length gas system and Radian Raptor charging handle this .300 BLK pistol upper receiver weighs only 5.6 pounds so it doesn't add much weight to the overall build. It is the perfect length for both short- and medium-range engagements and is equipped with Picatinny rails on top and their proprietary PicLock M-LOK system on the handguards. This lets you easily attach a variety of optics laser sights weapon lights and other attachments to customize your build. Pick one up today to start your build Features of Primary Weapons Systems MK109 MOD 2-M Pistol 9.75 inch .300 AAC Blackout Upper Receiver: 9.75-inch Barrel Matte Black Finish Includes Radian Raptor Ambidextrous Charging Handle Pistol-Length Gas System Chambered in .300 BLK Package Contents: Primary Weapons Systems MK109 MOD2-M .300BLK 9.75in bbl Upper Receiver Primary Weapons Systems 18-2M109UB0B: MK109 MOD 2-M Pistol Upper Receiver .300 AAC Blackout 9.75in Barrel 1-8 Twist Matte Black