Pro2A AR-45 45 ACP/10mm Stripped Billet Lower Receiver

45 ACP/ 10mm Stripped Billet AR-15 / AR-45 Lower Receiver - Glock Style Mags. 

• 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