Brownells Ar-15/M16 5.56Mm Bolt Carrier Group, Mpi, Nickel Boron

Every precision shooter knows the importance of reliable components, and the Brownells AR-15/M16 5.56mm Bolt Carrier Group stands as a testament to engineering excellence. This complete bolt carrier group is not merely a part; it’s the heartbeat of your firearm, ensuring that each round fires smoothly and effortlessly. When you’re on the range or in the field, your experience hinges on the performance of your weapon, and with the Brownells BCG, you have a component that is meticulously crafted for flawless operation in any AR-15 or M16 configuration.

What sets the Brownells BCG apart from others is its attention to quality and durability. The bolt is manufactured from 9310 steel, recognized for its strength and toughness, and it undergoes heat treatment and shot peening to withstand the rigors of repetitive firing. Every bolt goes through magnetic particle inspection to ensure that no defects are present, assuring you of its quality. The hardened 8620 steel bolt carrier adds another layer of robustness. Finished with a sleek nickel-boron coating, this BCG not only enhances corrosion resistance, it also allows for smoother cycling, leading to less friction and wear.

This is an investment in reliability. Each component of the Brownells M16 5.56 Complete Bolt Carrier Group aligns with the standards of serious shooters. The extractor, featuring a rubber insert and spring, ensures that your spent casings eject cleanly without issues. Meanwhile, the gas-key screws are torqued and securely staked, eliminating potential failures due to loose components. Designed to function seamlessly with all 5.56 NATO-based cartridges, this BCG sets you up for success whether you’re firing at the range, hunting in the wild, or engaging in competitive shooting.

As you prepare for your next shooting session or tactical application, imagine the peace of mind that comes from knowing your rifle's fundamental operating system is built to last, perform, and adapt. With the Brownells AR-15/M16 5.56mm Bolt Carrier Group in your arsenal, you don’t just enhance your firearm—you elevate your shooting experience to a whole new level of reliability and confidence. Experience the satisfaction of precision engineering every time you pull the trigger.

Key Features

• Precision-engineered for reliability and performance
• High-quality 9310 steel bolt with heat-treated and shot-peened finish
• Hardened 8620 steel bolt carrier
• Nickel-boron coating for enhanced corrosion resistance
• Extractor with rubber insert and spring for reliability
• Gas-key screws are torqued and staked for durability
• Compatible with all 5.56 NATO-based cartridge cases

Technical Specifications

What's in the Box

• Complete Bolt Assembly including
• Bolt Carrier
• Gas Key
• Firing Pin
• Cam Pin
• Firing Pin Retaining Pin

Compatibility & Requirements

• Must be used in AR-15 or M16 platforms

Dimensions & Weight