The stock trigger unit (switch set) is retained
Designed for professional training & simulation gaming
Precise and stable hop-up adjustment thanks to the first-class TDC (Top Down Centered) system
Fits most popular AEG and GBB buffertubes
Matrix 300rd High Cap Metal M4 AEG Magazine (Colour Options) Color:Black The stock trigger unit (switchStamped metal outer shell mimics the look and feel of real magazines Injection molded polymer components Easy to use winding wheel 300 round capacity Available in 6 colour options! Universally fitting feeding tested on Matrix, WE, G&P, APS, S&T, Tokyo Marui, G&G, Krytac, ICS, VFC, SRC, King Arms, ARES, Amoeba, KWA, JG, Dboy, CYMA, A&K, Echo1, Classic Army, and other compatible models