Spike's Tactical Generation 2, Billet, Upper, 223 Remington, 556NATO, Black, Mil-Spec Barrel Nut

Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut. It is machined out of 7075 billet aluminum and finished off in a durable Type III Hardcoat anodized. Of course we cut the M4 feed ramps before the anodizing process to avoid reliability issues down the road. We also flared the side walls of the receiver to eliminate accidental bolt release problems and we also machined the upper receiver in a way that lets you use the popular Magpul BAD lever or other aftermarket bolt catch levers which most other billet upper receivers don't let you do. NOTE: Our billet upper is not compatible with all aftermarket bolt catches. Specifications for Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut: Manufacturer: Spikes Tactical Color: Black Finish: Anodized Fabric/Material: 7075 T6 Construction Gun Model: AR-15 Additional Features: Mil-Spec Barrel Nut Condition: New Country of Origin: USA Features of Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut: Gen II Billet Upper Receiver 7075 T6 Construction Forward Assist Ejection Port Door (made in specialized factories) Ejection Port Door Spring Ejection Port Door Rod Weight: 10.4oz Package Contents: Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut Which weapon models is Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut compatible with? Spikes Tactical Billet Upper - Gen II - Mil-Spec Barrel Nut is compatible with AR-15Spikes Tactical SFT52B2: Billet Upper - Gen II - Mil-Spec Barrel Nut