Z-Parts 416 Handguard Rail System Screw SG1 UP button - Press and

UP button - Press and turns the unit on

ternum strap with whistle stabilizes the pack and gives carrier an emergency audio alert

Cybergun Metal Colt M4 Silent OPS AEG Rifle (Tan)

The ability to make the profile of the rifle compact and be able to adjust it for different arm lengths

Piston Head is made of polymer and is ported allow the cylinder to quickly refill itself with air in preparation for the next shot

Z-Parts 416 Handguard Rail System Screw SG1 UP button - Press andZ Parts 416 Handguard Rail System Screw CNC Metal Construction Design to Attach to the 416 handguard in Place and Together Suitable For VFC 416 Series Rifle Gas Blow Back GBB Rifle Airsoft Guns