M4 Shark Bros Lower Receiver 7" Octarms Keymod Rail , Black

Features

• Full metal receiver with oversized integral trigger guard and integrated beveled magazine flare magwell assists with quicker reloads
• Unique and fierce magwell design inspired by the P-40 Warhawk nose art licensed from Sharps Bros
• OctArms System: Specially designed upper receiver with matched hand guard for monolithic appearance, provides quick swap of zeroed-in accessories for multiple combat situations
• CNC machined aluminum ultra slim KeyMod hand guard
• ARES unique built-in programmable Electronic Firing Control System (EFCS - Safe / Semi / 3rd Burst / Full Auto)
• Advanced reinforced lipo ready metal gearbox with quick spring change design
• Rubberized slip-resistant pistol grip; Adjustable length of pull stock with slip resistant rubber butt pad
• Functional bolt stop for easy access to hopup adjustment dials

Length: 830mm - 920mm (Adjustable)
Weight: TBA
Inner Barrel: ~380mm
Magazine Capacity: 300rd Hi-Cap Steel Magazine. Works with Matrix, G&P, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines
Muzzle Velocity: 435-450 FPS (Measured w/ .20g BB)
Thread Direction: 14mm+
Caliber: 6mm Airsoft bb.
Gearbox: ARES E.F.C.S. Version 2 M4 Gearbox (8mm bushing & bearing / Lipo Ready / Programmable / fully reinforced / quick spring change).
Battery: Lipoly battery recommended (Wired to buffer tube w/ small Tamiya. Battery not included)
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine
Hopup: Yes, Adjustable