Manufactured by New Frontier Armory in Las Vegas for our shop in DFW Texas. 
Brand New AR9 Lower receiver. Manufactured by New Frontier for our store. The magwell has no logo, which allows for a custom engraving of your choice. Standard art... American Flag, Don't Tread on Me, etc is included in the price. Custom art will is available for $25. You can find our engraving gallery on our website www.angleofattackarms.com. If you purchase through gun broker, we will send you an invoice through our website where you can pay by credit card. 

Specs:
Machined from 7075-T6 aircraft grade billet aluminum
Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
Precision machined magazine well with beveled feed lip for easy mag swaps
Machined and engraved to be compatible with 45 and 60 degree short throw fire control selectors such as the BAD_ASS ST 45 Lever
Caliber marking of “Multi” so it can be used with different pistol caliber uppers
Compatible with most standard AR-15 components  and most aftermarket parts
Take down pin spring and detent hole is threaded for a 6-32 set screw for easy capturing (hardware included)
Upper tension screw behind grip screw (threaded hole with hardware included) to adjust any “slop” out of vertical fit between upper and lower
Ambidextrous trigger finger rests with grooves (above and below mag release / mag catch)
Threaded bolt catch pin (Threaded hole and hardware)
Integrated large opening “winter” trigger guard
Proprietary magazine catch assembly and ejector is included and installed at the factory
Manufactured to MILSPEC (where applicable) on state of the art CNC equipment for consistent quality parts and exacting tolerances
Save money by building your own AR-9 rifle from the ground up exactly the way you want it configured and shoot for less!