Technical and Informational Resource for AR-15 and Variants
One-stop, drop-in solution with the parts you need to convert a mil-spec small pin (.154″ dia.), .223 lower receiver with collapsible stock to accept a 9mm upper receiver assembly. Kit includes a replacement hammer, recoil spring, and buffer optimized to handle the reduced recoil force of the 9mm Luger round, as well as a Magwell Conversion Block that installs in your rifle’s magazine well to allow it to accept Rock River’s 25-round 9mm magazines, available separately. To use the Kit on a full-size rifle with fixed A1/A2-style buttstock, install the separately available Delrin® Spacer in buffer tube behind recoil spring.
Rock River Arms 9mm A4 AR15 Upper Receiver Rock River Arms 9mm A2 AR15 Upper Receiver Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military...
PWS Enhanced Buffer Tube MOD 2 – AR15 BUFFER TUBE perfection
Ballistic Adavantage 9mm AR15 Barrels
American Spirit Arms Side Charging Upper Receiver
American Spirit Arms Side Charging Upper Receiver Bolt Carrier Modification
AERO Precision AR15 OEM Rifle – This fully-assembled, nearly-complete, Brownells-exclusive rifle from Aero Precision is constructed using second-to-none components to ensure the highest level of accuracy and reliability, while leaving off the handguard and buttstock
Aero Precision has been offering monthly runs of AR15 and 308AR parts in custom finishes. Septembers Aero Precision M5 Burnt Bronze 308AR Builder Set is gorgeous and an outstanding value for the 308AR platform. Keep in mind the Aero 308AR lowers require a non standard extended magazine release button.
AERO AC-15 Complete Rifle
Aero Precision Builder Set MultiCam Black