Find the Best BCGs for AR-15, AR-9 and AR-10 / LR-308 for your next build. 80+ BCGs from top Brands at best prices & backed by our satisfaction guarantee.

Palmetto State Armory has a large selection of bolt carrier groups for your AR-15 rifle or pistol. We offer BCGs from brands like Palmetto State Armory, PSA Custom , Cryptic Coatings, Toolcraft, and more.

The Bolt Carrier Group (BCG) is the heart of your AR 15. Buy an AR 15, M16, or low mass complete BCG or build one from a variety of parts available from the world’s top manufacturers. Choose from specialized coatings such as Nickel Boron, Nitride, Melonite or Phosphate.

We have the best AR-15 bolt carrier groups in stock from the most trusted brands, including Spike’s Tactical & Ballistic Advantage, along with our own line of RTB-brand BCGs. Shop for mil-spec bolt carrier groups at RightToBear.com and save with free shipping on select items!

Shop AR-15 Bolt Carrier Groups at MidwayUSA! We carry the best selection of AR-15 BCG's at the best prices!

Mar 28, 2025 · An AR-15 Bolt Carrier Group (BCG) stands as one of the essential parts of the rifle because it both feeds ammunition into the chamber and ejects empty shells to enable consistent operation. The selection of your BCG determines how reliable along with how long-lasting and performing your rifle system will be.

Jan 10, 2023 · The V Seven Titanium BCG is the best AR-15 bolt carrier group that you’re going to find. It’s lighter than steel and stronger than either steel or aluminum. It’s both Magnetic Particle Inspected and High-Pressure Tested, pass those and you’re the best of the best.

Jan 5, 2022 · High-quality AR15 Bolt Carrier Group (BCG) at Affordable Prices. The bolt carrier group controls all functions of the AR15 – chambering, firing, and extracting spent rounds. Choose wisely with AT3 Tactical. The majority of weapon failures stem from issues with the bolt carrier group, and a good bolt carrier group can keep the failures to a ...

In this guide, I'll cover my picks for the best AR-15 bolt carrier group (BCG) for a variety of build goals. A lot is covered in this article, so those who wish to can jump ahead to any section using the following links: What is a BCG? The Best Mil-Spec and Overall Bolt Carrier Group; The Pros and Cons of Lightweight BCGs