Maple Leaf 6.02 Inner Barrel with Hopup Rubber for Marui / WE GBB Pistol (100mm) Category_Mag Release Extension the bucking appears as KM4

the bucking appears as KM4 AEG and RM4 part 159 and VM4 part 158

Item Weight  720 gram  Major Color Black Length 195mm Barrel Length 95mm Blow Back Yes Hop-up Adjustable Shooting Mode Semi-Automatic Magazine Capacity 25+1 Rounds Bullet Type 6mm BB Pistol Power Source HFC134a Gas Power (Muzzle Velocity) 300 FPS Manufacturer Tokyo Marui / TM Package Includes Tokyo Marui H&K USP GBB Airsoft Pistol

: NB-19(TAN)

Weight : 85g

Offer firm hold on your weapon during firing

Maple Leaf 6.02 Inner Barrel with Hopup Rubber for Marui / WE GBB Pistol (100mm) Category_Mag Release Extension the bucking appears as KM4Suitable for Marui GBB Pistols WE 100mm Length (HK45 GBB WE MP5K) 6. 02mm Inner Diameter MONSTER Hop Up Bucking included Stainless Build Material < All Available Length >