HP CARBINE CUSTOM MODEL HAS BEEN UPGRADED FROM HP SEMI-AUTO CARBINE AIR RIFLE. WE UPGRADE THE ALUMINIUM AIR TANK TO A CARBON FIBER AIR TANK MAXIMUM PRESSURE OF UP TO 300 BAR. THE BARREL’S LENGTH IS THE SAME AS THE CARBON FIBER AIR TANK’S. AFTER FOLDING THE STOCK, THE WHOLE RIFLE’S LENGTH IS ONLY 20 INCHES, AND YOU CAN EASILY PUT THE RIFLE INTO A BACKPACK. EFFECTIVELY QUIET THANKS TO THE HIGH-PERFORMANCE SUPPRESSOR, POWERFUL WHEN SHOOTING .30/7.62MM 48.60 GRAINS PELLET

Caliber: .22/5.5mm .25/6.35mm .30/7.62mm

Mass weight: 5.5LBS

Cocking system: side bolt handle Semi-Auto

Barrel: 13inches Folding length: 19.5inches without silencer

Magazine: .22/5.5mm 12rounds  .25/6.35mm 10rounds  .30/7.62mm 9rounds

Air capacity: 450cc Air cylinder: carbon fiber Max safe filling pressure: 4500PSI working pressure: 2100-3500PSI

Shots per fill: 55+ shots with .22cal  40+ shots with .25cal  35+ shots with .30cal.

Muzzle energy: 40fpe/55 joules in .22cal 55fpe/70 joules in .25cal

Velocity: 1050FPS with 18.3gr .22CAL pellet 950 FPS WITH 26 gr .25CAL pallet

OPTICS RAIL: 11MM DOVE RAIL