For over 25 years ArmaLite has manufactured the AR50; an accurate reliable and powerful rifle engineered to overcome the challenges of long-range firing while delivering high quality at an affordable price. The AR50A1 Repeater utilizes the same streamlined design featuring ArmaLite's proprietary V-Channel chassis system now available in a repeater configuration. With state-of-the-art design exceptional materials and precision engineering the ArmaLite AR50A1 Repeater is duty-ready standing as a testament to ArmaLite's commitment to innovation and excellence.Specifications:ACTION ArmaLite AR50A1R ActionCALIBER .50 BMGBARREL: 29" Chrome MolybdenumBOTTOM METAL: Chassis SystemTRIGGER: Trigger Tech AR50BOLT KNOB: ArmaLite AR50 BoltCHASSIS SYSTEM: AR50A1R ChassisFOREND: Free Float | Proprietary Mounting SystemRAIL SYSTEM: 15-MOA MIL-STD 1913 Picatinny RailOVERALL LENGTH: 58"WEIGHT: 35.6 lbsTWIST RATE: 1:15 RHLENGTH OF PULL: 15"RECEIVER: 4340BOLT: 4340MAGAZINE: 5-Round MagazineBIPOD: GG&G Bipod (Included)