Receiver Sets

The Thunder Ranch product line is a joint venture between Aero Precision and Thunder Ranch. Aimed to achieve Clint Smith's ideal purpose built "Ultimate Carbine", these products include key features requested from Clint Smith himself but with an Aero...

Spike's Tactical, Spartan Set, Semi-automatic, Matching Lower/Upper Handguard Set, 223 Rem/556NATO, 12" MLOK Rail, CNC Machined from a 7075 Billet Aluminum, Bronze Battleworn Finish Bronze Spartan Set 7075 T6 Construction Multi Caliber If you are...

The Aero Precision EPC-9 receiver set is the perfect foundation for your next AR9 build. Precision machined from 2 custom 7075-T6 Aluminum forgings and featuring a last round bolt hold open. Compatible with standard frame Glock magazines, the EPC-9...

If you are looking for a set to build your next rifle on, look no further. Spike's uppers and lowers are made to the highest industry standards and will be the perfect foundation for your build. Spike's Tactical, Upper/Lower Receiver Set,...

KE Arms, KP-15, Semi-automatic, Complete Lower Receiver, Polymer, Black Color, Molded Fixed Stock, Mil-spec Components

Aero Precision M4E1 Threaded Receiver Set - Anodized Black Built for durability and precision, this M4E1 set delivers a high-quality foundation for your AR-15 build. Featuring an M4E1 Lower Receiver and an M4E1 Threaded Assembled Upper Receiver, both...

The Sons of Liberty Gun Works stripped upper and lower receivers are made to the tightest tolerances while still being compatible with Mil-Spec parts and upper receivers. This ensures that there is absolutely no wobble between receivers which can affect...

SOLGW Broadsword 89 Receiver Set - Enhanced Lockup & Precision Design The SOLGW Broadsword 89 Receiver Set takes the robust design of the original Broadsword receivers and enhances it with even greater handguard lockup strength. Engineered to...

Aero Precision M4E1 Builder Set w/ 12.7" Atlas R-One BDL Halftone 2.0 Cerakote The March edition of the monthly Builder Set program is here to be the foundation of your next build. In collaboration with Blowndeadline these sets feature an OD...

AX556 Billet Upper/Lower Receiver Set 14" Handguard - Black The Radian AX556 Billet Upper/Lower Set delivers precision machining, fully ambidextrous controls, and cutting-edge ergonomics, making it a top-tier foundation for serious AR builders. Chambered...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...