The SilencerCo SCO15 Upper is a premium AR-15 stripped upper receiver, precision machined from billet 7075 aluminum and finished in type III hard anodize. It features a mil-spec 1913 picatinny rail and M4 feed ramps. Additionally, it is compatible with mil-spec forward assists and dust covers. It is everything a shooter needs to complete their dream AR-15 build.
Specifications:

Type
Caliber
Sights
Barrel Length
Barrel Material
Twist
Barrel Description
Barrel Finish
Receiver Description
Receiver Finish	Black Hard Coat Anodized
Handguards
Handguard Finish
Barrel Length Range