Product Description SPECIFICATIONS BRAND: TOKYO MARUI MATERIAL: METAL/RUBBER MAGAZINE CAPACITY: 31 ROUNDS COLOR: STEEL COMPATIBILITY: TM 5.1 SERIES GAS PISTOLS PACKAGE INCLUDES: 1X 31 ROUND PISTOL MAGAZINE FEATURES FULL METAL CONSTRUCTED FRAME WITHSTANDS WEAR COMPATIBLE WITH GREEN GAS AND PROPANE PROPELLANTS CARRIES A CAPACITY OF UP TO 31 ROUNDS LIGHTWEIGHT AND LARGE CAPACITY MAGAZINE MINIMIZES RELOADS EXCELLENT AS A REPLACEMENT OR AN EXTRA MAGAZINE FOR YOUR LOADOUT FILLS QUICKLY AND EASILY USING A SPEED LOADER FITS TM HI CAPA 5.1 SERIES GAS BLOWBACK PISTOLS WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov/product Customer Reviews