Machined from 7075-T6 aircraft grade billet aluminum
Upper Receiver has enlarged and shortened ejection port specifically for Pistol Calibers
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
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