This AR15 Complete lightweight Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR15 build. Includes: AR15 Assembled Upper Receiver with No Forward Assist Included 5.56 BCG Phosphate Included...

This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. Includes:...

This AR15 Complete lightweight Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build. Includes: AR15 Assembled Upper Receiver with No Forward Assist Included Phosphate BCG Included...

This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end...

This EPC-9 Complete Upper Receiver comes standard with our ATLAS S-ONE Handguard. The S-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end...

The Aero Precision BREACH is a rugged, ambidextrous, precision-manufactured charging handle for the AR15 platform. The BREACH's design utilizes a reinforced 7075-T6 aluminum bar that is up to the most demanding tasks. Its ambidextrous...

Our upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface. Features: No Aero 'A' Logo M16-cut carrier Carrier has...

The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1,...

The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our new M4E1 Lower Receiver with an A2 Grip. Save when you buy it complete and let our specialists do the installation for you!...

The AR15 Carbine Buffer Kit is the perfect complement to standard rifle builds. This kit features mil-spec components that are manufactured in the USA. Includes: Mil-Spec 7075-T6 Aluminum Buffer Tube, 6-position Carbine buffer Buffer...

The Aero Precision EPC 7.7oz Buffer is optimized specifically for use in the Aero Precision EPC. NOTE: We recommend the use of a 308 carbine buffer spring in conjunction with this buffer on our EPC platform. The 7.7oz EPC buffer, it is...

M5 .308 carbine buffer spring for use in .308 AR's with a collapsible buttstock. Perfect for your new build or as a direct replacement for worn out parts. This buffer spring is also recommended for use with the Aero Precision EPC-9 in...