Product Description SPECIFICATIONS BRAND: AIRSOFT MASTERPIECE MATERIAL: STEEL COLOR: SILVER COMPATIBILITY: HI-CAPA SERIES AIRSOFT GAS BLOWBACK PISTOLS PACKAGE INCLUDES: 1X SEAR SPRING FEATURES DURABLE AND STURDY CNC MACHINED STEEL CONSTRUCTION COMPATIBLE WITH TOKYO MARUI HI-CAPA 5.1 SERIES EXCELLENT AS A REPLACEMENT OR UPGRADE FOR TOKYO MARUI HI-CAPA MODELS CONSISTENT, LIGHT, AND IMPROVED TRIGGER PULL WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov/product Customer Reviews