Allows for the mounting of most popular mock suppressors

Adjustable Front and Rear Sight

Upgraded flip-up front and rear iron sights with a quick deploy release

Programmable ETU Mosfet

Battery: 1x CR2032

PCU Aluminum Shotgun Tracer Unit for Front Sight 870 Breacher Glock Magazine Gasket Allows for the mounting ofFitsFront Sight: Tokyo Marui: M870 Tactical (it is necessary to use front sight shell [P018 FrontSight] or shorten the barrel) Scattergun TS Jag Arms: Scattergun HD (it is necessary to use front sight shell [P018 FrontSight] or shorten the barrel) Scattergun HDS (it is necessary to use front sight shell [P018 FrontSight] or shorten the barrel) Secutor arms: Velites Invicta GV Golden Eeagle: M8870 (it is necessary to use front sight shell [P018