We are so proude to release our new long range MCAR(Mutil Caliber Air Rifle) Scope and Bipiod are not included Caliber: 457,50,510,58 Weight:Competition version: Hunting Version: 30 inch Barrel 14 LBS Barrel Length: 30' Overall Length:30 inches Barrel 50 inch Magazine Capacity:457Cal 8 rounds 50Cal 8 rounds 51Cal 8 rounds 58Cal 7 rounds Action: Bolt Max Fill Pressure:4500PSI Or 7000PSI(Separate Kit) Optic: Pic RailAir Tube Capacity: 650CC From Manufacturer upgradable Regulator: External Adjustable Max @ 4500PSI Muzzle Energy:4500 psi Max filling version Muzzle Energy:30 inch Barrel: @Regulated 3000PSI.45 Cal 330Gr @ 800 fps UP TO 450 FPE .50 Cal 330Gr @ 820 fps UP TO 500 FPE .51 Cal 330Gr @860fps UP TO 550 FPE. 58 Cal 425Gr @ 870fps UP TO 700 FPE 38 inch Barrel: @ Regulated 3000PSI .45 Cal 330 Gr @ 895 fps UP TO 600 FPE .50 Cal 330 Gr @ 935fps UP TO 650FPE .51 Cal 330Gr @ 965 fps UP TO 700FPE .58 Cal 540Gr @ 860 fps UP TO 900 FPE 7000 psi Max filling version Muzzle Energy:30 inch Barrel: @Regulated 4500PSI .45 Cal 330Gr @ 900 fps UP TO 600 FPE .50 Cal 330Gr @ 935 fps UP TO 650FPE .51 Cal 330Gr @965fps UP TO 700 FPE .58 Cal 600Gr @ 865fps UP TO 1000 FPE 38 inch Barrel: @Regulated 4500PSI .45 Cal 350 Gr @ 950 fps UP TO 700 FPE .50 Cal 350 Gr @ 980fps UP TO 750FPE .51 Cal 350Gr @ 1020 fps UP TO 800FPE .58 Cal 600Gr @ 920 fps UP TO 1000 FPE