Tacfire UP01-C2: Ready to be built into your next upper, this kit includes a black anodized 7075 T6 aluminum stripped upper receiver, forward assist assembly, dust cover assembly, and A2 style charging handle. The only thing you need to finish your upper is a BCG, barrel, gas block, gas tube, handguard, and muzzle device. (sold separately)
Specifications:

Type	Stripped
Caliber	5.56x45mm NATO
Sights
Barrel Length
Barrel Material
Twist
Barrel Description
Barrel Finish
Receiver Description
Receiver Finish	Black Anodized
Handguards
Handguard Finish
Barrel Length Range