Tokyo Marui M4A1 MWS GBB Bolt End Screw (MGG2-134) laylax It can effectively hold the

It can effectively hold the chamber to the frame tightly and lock the wheel on preset position to prevent loosens

Item Weight (gram) 810 Major Color Silver Length 220mm Blow Back Yes Hop-up Adjustable Shooting Mode Semi-Automatic Magazine Capacity 26 Rounds Bullet Type 6mm BB Pistol Power Source HFC134a Gas Power (Muzzle Velocity) 220 FPS (134a Gas Test @ 25°C Room Temperature) Manufacturer Tokyo Marui / TM Package Includes Tokyo Marui Government Mark IV Series 70 GBB Pistol (Nickel Finish)

HFC22 Gas Power (Muzzle Velocity) 300 FPS (Top Gas Test @ 25°C Room Temperature) Manufacturer Umarex Package Includes Umarex H&K USP Compact Tactical GBB Pistol

TAICHI CO2 Air Gun (4

1 soft & 1 hard spring suitable for different condition

Tokyo Marui M4A1 MWS GBB Bolt End Screw (MGG2-134) laylax It can effectively hold theParts No. MGG2 134