KM4/LM4 RIS Top/Bottom Hand Guard Rail Assembly(Part 91RIS-S) Sig Sauer Acetech's newest innovation is the

Acetech's newest innovation is the 11 different multi-color flame function that looks incredible when firing a barrage of BBs down range

and cylinder head all greatly improve the reliability and durability of the rifle

Available in regular Gas Blowback (GBB) and CO2 versions

AEG Variable Performance System (VPS) offers airsoft players the flexibility to adjust their gun’s FPS easily

Padded main compartment

KM4/LM4 RIS Top/Bottom Hand Guard Rail Assembly(Part 91RIS-S) Sig Sauer Acetech's newest innovation is theNow you can install the KWA RIS rail system on any KWA rifle that accepts standard carbine length drop in rails, such as the KM4 Commando, the KM4 CQR Series, the KM4A1, KM4 CQB, and even on the RM4A1 and LM4 or LM4C! This solid metal alloy rail system accepts all standard weaver mount accessories and is made to the absolute highest standards, making your gun accessory ready in seconds! Now you can install the KWA RIS rail system on any KWA rifle that