Designed and manufactured by Wraithworks, the new WARSCORP9 is truly Magnificent and is the first USA made AR-15 to feed from Scorpion EVO 9mm magazines. Technical Specifications 5.5 Lbs. unloaded. OAL: 24" collapsed & 26.75" extended Fully ambidextrous - safety, bolt catch, mag release 1:10 Twist 8.5" Nitride coated 9mm barrel 1/2 x 28 threads Wraithworks custom 9mm muzzle device Nitride coated bolt carrier group and a buffer system Wraithworks machined billet non-reciprocating side charging upper receiver Wraithworks extruded aluminum 7" M-LOK forend Heavy Texture ATG Adjustable Tactical Grip SBA3 pistol stabilizing brace Compatible with standard ar-15 barrels, trigger groups, stocks and stock components Compatible with all factory and aftermarket CZ Scorpion mags, including drums.