Complete Rifle Pro2A AR-9 9mm Billet Lower Receiver

9mm Stripped Billet AR-15 / AR-9 Lower Receiver - Glock Style Mags. 

• Machined from 7075-T6 aircraft grade billet aluminum, Hardcoat Type III anodized

• Matte black hard-coat anodized per Mil 8625 Type 3 Class 2

• Precision machined with enlarged magazine well for easy mag swaps

• Compatible with most standard AR-15 components  and most aftermarket parts

• 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

Comes with milspec trigger group, lower parts and milspec M4 stock kit (includes stock, 8oz stainless pistol buffer, buffer spring, castle nut and latch plate) installed onto lower receiver. 

**OPTIONAL**  Upgrade STOCK to a PRO2A milspec SOPMOD Stock