AR-15 Bolt Carrier Group – Nickel Boron | 5.56 / .223 / 300 AAC | Optional Engraving

Complete, Drop-In Ready AR-15 Bolt Carrier Group

This AR-15 Bolt Carrier Group comes fully assembled and ready for installation, making it an ideal choice for new builds or replacements. The assembly includes the bolt, carrier, firing pin, firing pin retaining pin, cam pin, and properly staked gas key for dependable operation right out of the box.

Smooth Nickel Boron Finish

Both the bolt and carrier feature a Nickel Boron finish, providing a smooth, low-friction surface that resists corrosion and fouling. This finish makes cleaning easier while promoting consistent cycling under a wide range of operating conditions.

Compatible with Popular AR-15 Calibers

Designed to fit 5.56 NATO, .223 Wylde, and 300 AAC Blackout AR-15 platforms, this bolt carrier group offers broad compatibility for builders and shooters running multiple calibers on standard AR-15 receivers.

Quality Construction & Reliable Design

Built with durability in mind, the carrier assembly is machined from 8620 steel, while the bolt is constructed from high-quality steel to withstand repeated use. The gas key is securely staked to ensure proper gas system function and long-term reliability.

Specifications

• Bolt Finish: Nickel Boron
• Bolt Material: Steel
• Carrier Finish: Nickel Boron
• Carrier Assembly Material: 8620 Steel
• Carrier Style: M16 / AR15
• Gas Key: Properly Staked
• Compatibility: 5.56, .223, 300 AAC
• Assembly: Fully Assembled, Drop-In Ready
• Manufacturer: Made in the USA

Why Choose This Bolt Carrier Group

• Complete AR-15 BCG assembly with all required components included
• Smooth Nickel Boron finish for easy cleaning and corrosion resistance
• Compatible with multiple popular AR-15 calibers
• Properly staked gas key for reliable operation
• Made in the USA for quality you can trust