Sons Of Liberty Gun Works M48913.7ASRFH M4-89 5.56x45mm NATO 13.70″ Combat Grade Barrel, Black, 12.50″ M-Lok Handguard, P&W ASR QD Flash Hider, Mid-Length Gas System

This receiver is manufactured with strict quality control, plus features an ejection port cover, forward assist, and an integral Picatinny rail that extends the length of the handguard. There is a combat grade barrel at the heart of the M4-89, which is magnetic particle inspected and high pressure tested. SOLGW includes a SilencerCo ASR Flash Hider which is pinned and ready to mount a suppressor. Bolt Carrier Group & Charging Handle NOT Included.