Rainbow8 Custom STI Costa Carry Comp GBB Pistol Category_GBB Rifle Magazine the piston absorber and the

the piston absorber and the friction relief bolt roller minimize the impact of the bolt's cycle on internal parts

even the long magazine will shoot a moment

4v 3000mAh / 9

Weight: 80 g

The rear serrations are called DNA collectors because it's really sharp and could graze your hand but no real harm is done

Rainbow8 Custom STI Costa Carry Comp GBB Pistol Category_GBB Rifle Magazine the piston absorber and theRainbow8 Custom STI Costa Carry Comp GBB Pistol Feature: STI Costa Carry Comp Conversion kit for Marui Hi Capa custom made stripped grip 6. 01mm hop up barrel Internal parts mainly Comparable with Marui Hi cap 5. 1 magazine (NOT included)