Spike’s Tactical isa US manufacturer which creates high quality parts, uppers, andcomplete rifles. Every component is manufactured to Mil-specstandards and is backed by the Spikes Tactical lifetime warranty. Any outstanding AR platform rifle must have a fantastic upperreceiver. The Spikes Tactical Gen 2 Billet Upper is the mil-specupper you have been impatiently waiting for! This receiver isprecision machined from a solid billet of 7075 aluminum. It’sengineered to exceed your expectations with the features you need inan upper receiver. The M4 feed ramps were machined before theanodizing process. Flared side walls eliminate accidental boltrelease issues and it was machined to allow for the Magpul BAD leveror other aftermarket bolt release levers. A forward assist and theejection port door are already preinstalled for you and it acceptsmost aftermarket rail systems. This beefy design is cut to be lightweight but offers less flex than a standard forged upper. Originallydesigned for and ideally suited to the Spikes Gen II Lower, thisprecision cut upper will mount to any standard spec forged lower.Ready to accept your mil-spec components, the Spike’s Tactical Gen 2Billet Upper is the perfect addition to your next AR build! Specifications and Features: Spike’s Tactical GenII Billet Upper Receiver SFT50B2 AR15 Mil-Spec Stripped UpperReceiver Precision Machined 7075 Aluminum Billet M4 FeedRamps Flared Side Walls Preinstalled Forward Assist andEjection Port Door Magpul BAD Lever Compatible Works WithMost Aftermarket Bolt Release Levers Works With Most AftermarketRail Systems Spikes Tactical Engraving Spider Logo Engraved Type III Hardcoat Anodized Finish Black Made In theUSA Includes: Preinstalled Forward Assist and DustCover