The New Frontier Armory Billet Upper Receivers are perfect for any custom AR-9 rifle or pistol!
Features of the New Frontier Armory Billet AR-9 Side Charger Upper Receiver:
- Machined from 6061 billet aluminum
- Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
- Compatible with all Glock Mag AR-9 components and most aftermarket parts
- Adjustable tension slide lock on charging handle
- Rear dust cover trap door that seals shut when mated with lower
- Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
- Save money by building your own AR pistol caliber rifle from the ground up exactly the way you want it configured
- Designed to match lines with Black Ankle Munitions BAM-9 and BAM-45 and most forged lowers
Caliber: Multi (will accept any barrel and/or caliber designed for the AR-9 platform)
Magazine: Accepts both Colt and Glock pistol caliber AR magazines
** NOTE: When using this upper for a 9mm or .40 build you must use a 9mm LONG buffer. Not following these instructions could cause damage to the rear door of the upper that will NOT be covered under warranty**
**NOTE: Some rail systems that use anti rotation tabs may need slight modification to fit this upper. It is designed for flush mounting rails and standard handguards.
**NOTE: When building Colt 9mm Carbines, please use our Standard AR-15 Side Charging Upper**