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

When you pull the trigger, you expect precision, reliability, and performance. The Brownells AR-15/M16 5.56mm Bolt Carrier Group embodies these expectations, delivering superior craftsmanship that transforms your shooting experience. Imagine the trust that comes from knowing your firearm is equipped with a BCG made entirely in-house, with every component rigorously inspected for durability and performance. This meticulous attention to detail means your rifle will perform flawlessly when it counts most, whether on the range or in the field.

The heart of this Bolt Carrier Group is its robust construction. Built from the finest materials, each element is made specifically for operational excellence. The bolt is crafted from hardened 9310 steel, shot peened for increased strength, and thoroughly magnetic-particle inspected to meet uncompromising industry standards. You will appreciate the peace of mind gained through such rigorous testing. The carefully machined carrier from 8620 hardened steel ensures superior wear resistance, allowing for extended use without degradation in performance.

With compatibility for a range of ammunition, including 5.56 NATO, .223 Remington, and 300 AAC Blackout, this BCG does not just cater to one style of shooting. It is designed for versatility, whether you’re engaging in tactical training exercises or enjoying a day at the shooting range. The gas key, attached securely with Grade 8 screws, ensures reliable cycling and maximum efficiency—key features for any serious operator or enthusiast.

Elevate your rifle to the next level with the Brownells M16 5.56 Complete Bolt Carrier Group. With components that fit together seamlessly, this BCG represents the pinnacle of American craftsmanship in the firearms industry. Whether you’re a seasoned veteran or a new shooter, this carrier group will instill confidence in every shot you take. Experience the performance that comes from superior engineering and let your rifle sing with precision and reliability you can trust.

Key Features

• Complete assembly designed for AR-15 and M16 rifles
• Components machined in-house to ensure quality control
• Magnetic-particle inspected bolt for reliability

Technical Specifications

What's in the Box

• Bolt
• Bolt Carrier
• Gas Key
• Firing Pin
• Cam Pin
• Firing Pin Retaining Pin

Compatibility & Requirements

• Compatible with standard AR-15 and M16 lower receivers
• Must use a barrel chambered for 5.56mm, .223, or 300 AAC Blackout

Dimensions & Weight