Big Bang Air Guns M4 Carbine w/ M-LOK Handguard CO2 Gas Air Rifle (.177 Caliber Air Gun)

Features
Full metal receiver and barrel assembly
High-performance CO2 system
Adjustable crane-style stock for custom fit
Removable magazine core for easy reloading
14mm CCW threading is widely compatible with a variety of aftermarket muzzle devices
Picatinny RIS top rail for mounting optics, lasers, and other accessories
M-LOK handguard features mounting slots along the entire length at 3 o’clock, 6 o’clock, and 9 o’clock positions
Manufacturer: Big Bang Air Guns

FPS Range: 400-425

Specifications:
Length: 765-845mm (Adjustable)
Weight: ~2800g
Muzzle Threads: 14mm Negative (CCW)
Gas system: 12gr CO2 cartridges
Fire Modes: Semi automatic, Safe
Package Includes: Gun, Magazine