AIRSOFT KILLHOUSE M4 CQB 4.5" BARREL EXTENSION T238 DURABLE EXTERIOR: Built with a

DURABLE EXTERIOR: Built with a genuine Dupont Zytel® Polymer shell

Material: Injection-molded polymer with aluminum alloy casing

color: matte grey

Hop-Up Access: Functional charging handle reveals an adjustable polycarbonate hop-up chamber

2 sling points

AIRSOFT KILLHOUSE M4 CQB 4.5" BARREL EXTENSION T238 DURABLE EXTERIOR: Built with aKillhouse 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