Caliber: 50 BMG - Barrel Length: 32 - Twist: 1:15 - Weight: 25 lbs - Overall Length: 50 - Comes with: - Pelican Case - Barrett Zero Gap Rings - Vortex Viper PST 5-25x56 - Factory Mounted - Factory bore sighted - ONE PIECE ALUMINUM EXTRUSION RECEIVER - INTERRUPTED BUTTRESS-THREADED BOLT FOR SUPERIOR LOCK UP - 13.75 (349 MM) 27 MOA ATTACHED M1913 OPTICS RAIL - MATCH GRADE 32 HEAVY BARREL - 3-PORT HIGH EFFICIENCY MUZZLE BRAKE - EASY FEED SINGLE SHOT - QUICK-RELEASE ASSEMBLY PINS - SORBOTHANE