Aero Precision .308/7.62 Phosphate Bolt Carrier Group

Aero Precision Heavy Hitter: Multi-Caliber .308 BCG

The Aero Precision .308/7.62 Bolt Carrier Group delivers reliable performance for large-frame AR builds. This mil-spec phosphate-finished BCG features a case-hardened 9310 steel bolt and 8620 tool steel carrier, with MPI/HPT testing ensuring operational reliability.

Engineered with precision, this BCG includes a properly staked 4130 steel gas key, chrome-coated firing pin, and enhanced extractor system with dual springs and O-rings. The multi-caliber design accommodates .308, 7.62×51, .338 Federal, and other .308-based cartridges.

Highlights:

• Mil-spec phosphate coating for durability
• Grade 8 hardware with properly staked gas key
• Shot peened and phosphate-coated bolt components
• Dual extractor springs and O-rings
• Forward assist serrations
• MPI and HPT tested
• Made in the USA

Specifications

• Brand: Aero Precision
• Model: .308/7.62 Bolt Carrier Group
• MPN: APRH308184C
• Weight: 18.56 oz
• Materials:
  • Bolt: 9310 Steel
  • Carrier: 8620 Tool Steel
  • Gas Key: 4130 Steel
  • Firing Pin: 8740 Steel, Chrome Coated
  • Extractor: 4340 Steel
• Caliber Compatibility: .308, 7.62×51, .338 Federal, and other .308-based cartridges
• Finish: Mil-spec phosphate