Spike's tactical m4 flat top upper receiver is the same high quality m4 mil-spec upper used on their factory builds.This forged upper is constructed of 7075 t6 aluminum with a durable type iii hardcoat anodized finish.It includes the forward assist, and ejection port door, spring, and rod.This stripped upper weighs 8.5 oz.Note: requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and bcg (bolt carrier group) to complete.
Receiver Finish: Black Anodized
Type: Stripped
Caliber: Multi-Caliber
Sights: None, Optic Ready
Receiver Description: 7075-T6 Aluminum M4
Receiver Finish: Black Anodized
Type: Stripped
Caliber: Multi-Caliber
Sights: None, Optic Ready
Receiver Description: 7075-T6 Aluminum M4
