RISE Armament AR-15 Complete Upper Receiver 22 ARC 18 in Patriot Brown RA-22ARC-CU-BRN-18. Specifications for RISE Armament AR-15 22 ARC 18 inch Complete Upper Receiver: Manufacturer: RISE Armament Cartridge: .22 ARC (Advanced Rifle Cartridge)...
RISE Armament AR-15 Complete Upper Receiver 22 ARC 18 in Patriot Brown RA-22ARC-CU-BRN-18. Specifications for RISE Armament AR-15 22 ARC 18 inch Complete Upper Receiver: Manufacturer: RISE Armament Cartridge: .22 ARC (Advanced Rifle Cartridge)...