UNICORN Nitroflon Coating 6.03MM Inner Barrel for GBB with Bucking Size:410mm The famous KM4 K120 mid-cap

The famous KM4 K120 mid-cap is now available on the KWA ProShop

May work with Co2 blowback guns as well

The main feature is the built-in pistol holster

full metal AEG that combines the maneuverability of a pistol with the firepower and capacity of a rifle

UNICORN Nitroflon Coating 6.03MM Inner Barrel for GBB with Bucking Size:410mm The famous KM4 K120 mid-capUNICORN Nitroflon Coating 6. 03MM Ultimate Precision Inner Barrel For GBB with Hop Up bucking. outer: 8. 55MMBARL inner: 6. 03MM material: Brass electroplating nitroflon coating included: UNICORN AEG 60 degree Hop Up Bucking included: UNICORN 50 degree Rubber Hop Up Knob Nub included: AEG Fixed copper ring