Caliber: .45ACP - Finish: Black - Semi-automatic pistol-caliber carbine - Simple reliable straight blowback operation - Ambidextrous bolt-configurable for left or right-hand ejection - Bolt/charging handle can also be moved to left or right side - Converts to other pistol-calibers with simple conversion kit (available separately) - Magazine included-Glock/Glock compatible or M&P depending on model - Lightweight 17 threaded barrel - Free-floating quadrail forend or takedown tube forend - Picatinny rail machined into top of receiver - Telescoping 6-position collapsible M-4 style buttstock or Fixed depending on model - Receiver trigger housing and magazine well machined from aerospace grade 6061T-6 aluminum with black hardcoat anodizing for extra protection and durability - Standard M-4 buffer tube buttstock and pistol grip - Utilizes standard M-4/AR-15 furniture and trigger components - Lightweight-approximately 6.5 lbs. - Overall length: buttstock extended 33-1/2 collapsed 30-1/4 - Made in the USA in New York State