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.
Receiver Finish: Black Hard Coat Anodized
Type: Semi-Complete
Caliber: 5.56x45mm NATO
Sights: None, Optic Ready
Barrel Length: 13.70"
Barrel Material: 4150 Chrome Moly Vanadium Steel
Twist: 1:7"
Barrel Description: Combat Grade
Barrel Finish: Black Nitride
Handguards: 12.50" M-Lok
Handguard Finish: Black Hard Coat Anodized
Barrel Length Range: 13" to 13.99"
Receiver Finish: Black Hard Coat Anodized
Type: Semi-Complete
Caliber: 5.56x45mm NATO
Sights: None, Optic Ready
Barrel Length: 13.70"
Barrel Material: 4150 Chrome Moly Vanadium Steel
Twist: 1:7"
Barrel Description: Combat Grade
Barrel Finish: Black Nitride
Handguards: 12.50" M-Lok
Handguard Finish: Black Hard Coat Anodized
Barrel Length Range: 13" to 13.99"