top of page

Brand New AR45 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 is available by request for an extra $25. You can find our engraving gallery on our website, or we can use your own design. If you purchase through gun broker, we will send you an invoice through our website where you can pay by credit card. 


  • 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-45 rifle from the ground up exactly the way you want it configured and shoot for less!

AR-45 Lower Receiver. Accepts 45 ACP Glock Mags

Excluding Sales Tax
    bottom of page