M4 HellBoy R15 Rifle CO2 BBs .177 (4.5mm)

FOR SALE:
M4 R15 Hellboy Co2 .177 Rifle Marker

18-bit BB Magazine

Semi-Automatic

One 12-gram CO2 cartridge fits in the magazine

Velocity: 495 FPS

All-metal receiver, magazine, and barrel.

Weaver/Picatinny optics rail (removable carry handle)

Full-metal action, plastic used only on the retractable stock, pistol grip, and forend.

Non-adjustable trigger

Field-detachable

Integrated sling swivel mounts

Adjustable rear sight for windage and elevation (2 flip-up aperture settings)

Overall length: 30″-33.5″ due to the