S&T M4 GBB w/ Reinforced WA System

Features

• Utilizes the Western Arms gas blowback system ensuring reliable performance with a plethora of aftermarket parts and accessories
• Injection molded polymer receiver provides rugged durability without the additional weight of a metal receiver
• Improved gas efficiency, reliable feeding and firing in full auto
• Adjustable LE type stock
• Removable carry handle with 20mm accessory rail underneath, ideal for mounting optics
• Injection molded polymer A1 style handguard

FPS Range: 370-380

Length: 765mm-855mm, Adjustable
Weight: 3300g
Inner Barrel: ~363mm
Magazine Capacity: 50rds Uses Matrix, G&P, Western Arms, King Arms, Inokatsu, and compatible magazines.
Muzzle Velocity: 370~380 FPS (Measured with 0.20g BBs and Green Gas)
Thread Direction: 14mm Negative
Gas Type: Green Gas
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine, Vertical Foregrip
Hopup: Yes, Adjustable