pts epg m4 grip for m4 m16 gbb rifle black Tasche Utility The trade off to consider involves The trade off to consider involves clearance management: the vertical folding mechanism requires free space between the optic and the rifle in the downward direction Two output levels (235 lumens and 11 lumens) to balance power and battery life depending on the situation The 360° texturing covers the entire contact surface but is distributed across strategic panels: the main grip zones are aggressive enough to hold under wet conditions or with gloves Standard M4 angle with an optimised profile: fits existing lower receivers without modification and improves grip over the stock version