Aero Precision upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface. 

COMPLETE LOWER RECEIVER SPECIFICATIONS

• Aero Precision “A” logo with bullet pictogram safety selector markings
• Bolt catch is threaded for an included screw pin
• Black finish with Black furniture
• Mil-Spec lower parts kit
• Rear takedown pin detent hole is threaded for a 4-40 set screw
• Magpul MOE SL pistol grip
• Magpul MOE SL carbine stock
• Carbine buffer kit
• Weight: 33.15 oz.