Aero Precision AR15 5.56 Bolt Carrier Group
Mil-spec phosphate-coated bolt carrier group for AR15 rifles. Features M16-cut carrier machined from 8620 steel, chrome-lined gas key and bolt channel, and Carpenter 158 tool steel bolt with HPT/MPI testing.
Fits: AR15
Aero Precision AR15 5.56 Bolt Carrier Group
A no-frills, high-quality bolt carrier group built to mil-spec standards for reliable AR15 performance. This is the heart of your rifle's operation—choose wisely.
Key Features
- Carrier Construction: M16-cut design machined from 8620 steel with forward assist serrations
- Bolt Material: Carpenter 158 tool steel, shot peened for durability
- Coating: Mil-spec phosphate finish on carrier; chrome-lined gas key and bolt channel
- Gas Key: Properly staked and chrome-lined for long service life
- Quality Assurance: HPT tested and MPI marked for reliability
- Extractor: Black o-ring insert for consistent performance
Why This Matters
The bolt carrier group is the engine of your AR15. This Aero Precision unit delivers mil-spec reliability without unnecessary frills. The M16-cut carrier, chrome-lined internals, and proper staking ensure your rifle will function reliably through thousands of rounds. HPT and MPI testing confirms each unit meets military standards.
Whether you're building a new rifle or upgrading an existing one, this BCG provides the dependable performance serious shooters expect.
