AIRSOFT KILLHOUSE M4 CQB 4.5" BARREL EXTENSION 416 as well as a 540-round

as well as a 540-round stick magazine

8 inches when folded

0 in / 355

4 v (2 cell)

high-current output for quick trigger response and high rate of fire)

AIRSOFT KILLHOUSE M4 CQB 4.5" BARREL EXTENSION 416 as well as a 540-roundKillhouse Weapon Systems M4 CQB 4. 5 inch Barrel Extension Product Description The Killhouse Weapon Systems 4. 5 inch M4 CQB Barrel Extension is an easy and lightweight solution for extending the length of your airsoft rifle's outer barrel. It is compatible with most standard Airsoft Electric Gun (AEG) setups. Features Length: Extends your outer barrel by 4. 5 inches. Material: Durable Metal construction. Weight: Lightweight design minimizes added