Del-Ton 16in Mid-Length Light-Weight Rifle Kit w/15in MLOK FF M4 Stock 1-7 Twist Black RKT125. Specifications for Del-Ton Light-Weight Rifle Kit w/15in MLOK: Manufacturer: Del-Ton Cartridge: 5.56x45mm NATO Overall Length: 24.5 in Barrel Length: 16 in...