The Aero Precision PRO Series 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO Series 5.56 Bolt Carrier Group was deliberately chosen to increase th
The Aero Precision Stripped Upper Receiver is machined from 7075 aircraft aluminum for superior strength and features a super tough, Type 3 hardcoat anodized finish for excellent wear resistance. Black 7075-T6 Aluminum M4 Feedramps .250 Takedown p
Aero Precision's M4E1 Stripped Lower Receiver delivers the strength and unique looks of a billet machined lower, with the lower cost, lighter weight, and easy parts compatibility of a forged lower. The M4E1 starts as an "enhanced" forging from extra-stron
The Aero Precision .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a mil-spec phosphate finish and now includes a laser engraved Aero Precision "A" logo! Carrier Features: Bil
The Aero Precision upper parts kit includes the parts you need to assemble your AR15 Upper Receiver. Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip