American Tactical Milsport Billet Lower 9mm

ATI MILSPORT 9MM BILLET STRIPPED LOWER SPECIFICATIONS: 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 lips Compatible with most standard AR-15 components and most aftermarket parts Take down pin spring and detent hole is threaded for a 4-40 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.