2 options


Click to see full view
Brownells
Overview
The Brownells M16 Lightweight Bolt Carrier Group is designed specifically for the 5.56 NATO caliber, providing a robust and reliable performance in your AR-15 build. Finished with a Nickel Boron coating, this BCG enhances durability and reduces friction, leading to smoother cycling and easier cleaning. This component is commonly found in builds utilizing a mid-length gas system, making it a solid choice for those aiming for a balanced and efficient setup.
Brownells M16 Lightweight Bolt Carrier Group Nickel Boron
2 options
Prices checked
Today the one retailer we track is out of stock. Listed prices start at $229.99 at Brownells for when it comes back.
Trending bolt carrier groups →
Prices checked · refreshed daily across 37 retailers
We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.
Read the guide: The Most Trusted AR-15 BCGs →Check it against the live catalog:
The part most often added in each category by the builds that include this one

Aero Precision M4E1 Enhanced Upper Receiver .223/5.56 NATO - Anodized Black - BLEM - APAR600201BAC

WMD Guns AR-15 Gas Tube Nitromet Mid-Length

Aero Precision AR-15 Forward Assist Assembly

FAXON Firearms 5.56 Gunner Profile Mid-Length AR-15 Barrel - Pinned Gas Block - 14.5"

Aero Precision AR-15 Ejection Port Cover Assembly
XTS M-LOK Aluminum Angled Foregrip - Black
Builds in the community that include the Brownells M16 Lightweight Bolt Carrier Group Nickel Boron
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $1059.24 |
![]() | 12 | $1059.24 |
![]() | 24 | $3724.25 |
No reviews yet. Be the first to review this product!