PTAC 16" 1:9 M4 5.56 NATO BLACKHAWK! Rifle Kit with 22LR Conversion Kit

PTAC 16" 1:9 5.56 BLACKHAWK! Rifle Kit with 22LR Conversion Kit Barrel Length: 16"Caliber: 5.56 NATOTwist: 1 in 9"Profile: M4 Phosphate Finish.750" Gas Block Diameter Standard Feedramps M16 Profile Bolt Carrier GroupCharging HandleBLACKHAWK! Lower Build Kit22LR Conversion Kit25-round Black Dog magazine w/ Plastic Lips