FM Products FM-45 AR Upper Receiver w/ Micro Brake .45 Caliber 10 inch 10in Barrel Ultralight ProfileFlash Supressor Black FM45-FS-109. 45 ACP .45 Glock or another 45cal pistol magazine you can feed these FM Products FM-45 Complete Uppers designed...
FM Products FM-45 AR Upper Receiver w/ Micro Brake .45 Caliber 10 inch 10in Barrel Ultralight ProfileFlash Supressor Black FM45-FS-109. 45 ACP .45 Glock or another 45cal pistol magazine you can feed these FM Products FM-45 Complete Uppers designed...