AERO PRECISION INTRODUCES THE PRO SERIES 5.56 BOLT CARRIER GROUP

Aero Precision has announced their new PRO Series family of products with the introduction of its first, the PRO Series 5.56 bolt carrier Group.

Aero Precision states “The Aero Precision PRO 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 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable service life of the bolt carrier group and its components.”

KEY DETAILS:

BOLT

• Machined from 9310 steel
• Shot peened
• MPI tested
• Proper heat treatment ensured via proprietary flash-nitriding process

CAM PIN

• Machined from 4140 steel
• Precision ground after heat treatment
• Engraved indexing mark
• Nitride finish

EXTRACTOR

• Machined from 4140 steel
• Heat treated
• Shot peened
• Phosphate finish

CARRIER

• Machined from 8620 steel
• M16 Cut Carrier
• Nitride Finish
• Critical surfaces precision ground for optimal gas efficiency and reliability

GAS KEY

• Machined from hardened 4140 steel
• Torqued to spec with grade 8 hex fasteners
• Properly staked to mil-spec

EJECTOR

• Machined from S7 tool steel

FIRING PIN

• Ground from 8640 steel
• Nitride Finish

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