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 HUXWRX QD Flash Hider which is pinned and ready to mount a suppressor. Bolt Carrier Group & Charging Handle NOT Included.

UPC	644625282689
Manufacturer	SONS OF LIBERTY GUN WORKS
Manufacturer Part Number	M89H16.75
Barrel Length	13.70"
Action	Semi-Complete
Barrel Description	Combat Grade
Barrel Finish	Black Nitride
Barrel Length Range	13" to 13.99"
Barrel Material	4150 Chrome Moly Vanadium Steel
Caliber/Gauge	.223 REM/5.56 NATO
Capacity	13.70"
Handguard Finish	Black Hard Coat Anodized
Handguards	12.50" M-Lok
Finish Type	Black Hard Coat Anodized
Muzzle	HUXWRX QD Flash Hider Pinned & Welded
Overall Length	Combat Grade
Material	7075-T6 Aluminum
Safety	1:7"
Sights	None, Optic Ready
Trigger	4150 Chrome Moly Vanadium Steel
Rate of Twist	1:7"
Product Type	Semi-Complete
Weight	Black Nitride