Description
The AO Precision Mil-Spec M16 Bolt Carrier Group (BCG) is crafted to strict military specifications, delivering a durable and reliable component for your AR-15 build. The bolt is machined from Carpenter 158 steel and completed with a manganese phosphate finish for optimal corrosion resistance and performance. Every AO Precision BCG is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure top quality and reliability. With meticulous attention to detail, this BCG provides the toughness and functionality required by serious shooters.
Ideal for AR-15 and M16 platform users who prioritize reliability and rugged durability, this BCG is perfect for professional duty use, competition shooting, and recreational builds.
Key Features:
Mil-Spec Bolt Construction:
Carpenter 158 steel bolt, heat-treated, shot peened, and MPI inspected for maximum durability
High Pressure Tested (HPT) for quality assurance
Precision Machined Carrier:
AISI 8620 aircraft quality alloy with a full-mass M16 profile
Hard chrome bore and stress-relieved construction for durability
Durable Gas Key:
4130 chromoly steel with Grade 8 hardware
Properly staked and sealed with Permatex for consistent, leak-free performance
Enhanced Extraction System:
Manganese phosphate-coated 4140 steel extractor
Includes black extractor insert and Viton O-ring for enhanced reliability
Specifications:
Bolt Material: Carpenter 158 steel
Bolt Finish: Manganese Phosphate
Extractor Material: 4140 Steel, Manganese Phosphate
Carrier Material: AISI 8620 aircraft quality alloy
Gas Key Material: 4130 Chromoly Steel
Gas Key Finish: Hard Chrome (internal)
Profile: Full-Mass M16
Testing: High Pressure Tested and Magnetic Particle Inspected
