The SIG MPX redefined modern pistol caliber SBRs and this ASP version does no less for CO2 rifles. Matched to original model weight balance and controls the SIG MPX ASP airgun puts more accurate performance into more accessible practice. - Features - 30–ROUND RPM™ MAGAZINE - ALUMINUM HANDGUARD - SEMI–AUTOMATIC ACTION - MANUAL SAFETY - SYNTHETIC STOCK - 8’’ RIFLED STEEL BARREL - METAL HOUSING - FLIP-UP FRONT & REAR SIGHTS - PICATINNY RAIL (OPTICS & ACCESSORIES) - 20MM SIG 20R RED DOT OPTIC - Specs - PELLET CALIBER .177 / .22 - FPS VELOCITY Up to 600 / 475 - CO2 CARTRIDGE 90g 88g compatible - MAG CAPACITY 30 ROUNDS