AR-15 Bolt Carrier Groups

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If you’re in the market for a new bolt carrier group for an AR-15, Wing Tactical is here to help. Whether you’re building your first AR-15, upgrading a firearm for improved performance, or replacing a malfunctioning part, you’ll find the perfect AR-15 bolt carrier group in our massive collection of high-quality BCG components.

RISE Armament Nickel Boron Bolt Carrier Group for AR-15

Search for the Perfect Bolt Carrier Group for an AR-15

Your AR-15 bolt carrier group is one of the most crucial parts of your firearm, so it needs to be 100% reliable. It works closely with your rifle’s gas system to ensure effective cycling, allowing you to load its chamber, fire ammunition, and eject empty cases.

Since AR-15s offer so many customization opportunities, you have the freedom to upgrade a bolt carrier group if you aren’t satisfied with your firearm’s performance. At Wing Tactical, we carry an assortment of BCGs for competitive shooters interested in tinkering with their AR builds. We also offer fast shipping, a generous return policy, and a wide selection of other AR-15 parts.

Continue reading to learn about the four available types of BCGs.

Odin Works Full Auto Black Nitride Bolt Carrier Group

M16 Full-Auto BCGs

This heavier bolt carrier group configuration leads to a slower, smoother cycling rate. It will function in an AR-15 without making it fully automatic.

Phase 5 tactical nickel boron AR-15 bolt carrier group

AR-15 Semi-Auto BCGs

This AR-15 bolt carrier group has a profile nearly identical to the M16 BCG. The main difference is its reduced mass in the rear, making it much lighter overall.

Iron City Rifle Works G3 enhanced competition bolt carrier group

Lightweight BCGs

This kind of bolt carrier group is typically fluted and features cutouts to remove weight wherever possible. Its reduced weight minimizes recoil and allows an AR-15 to cycle faster, turning it into an excellent option for those who participate in competitive shooting.

Aero Precision Direct Blowback 9mm Bolt Carrier Group

Direct Blowback BCGs

Designed for pistol-caliber rifles, this AR-15 bolt carrier group uses a different type of lockup system than other options. It makes AR-15s simpler to operate, especially when used with lower-caliber ammunition.

Rely on Wing Tactical to Provide the Right AR-15 Bolt Carrier Group

At Wing Tactical, we specialize in providing everyone from AR-15 beginners to experienced rifle owners with the best-in-class bolt carrier group options. Our extensive inventory and high standards guarantee that you will get your hands on the highest-quality BCG possible when you order one from us.


We also go above and beyond for firearm owners by offering fast shipping, exceptional customer service, and LEO and military discounts. When you've decided to upgrade an AR-15 bolt carrier group, you can count on Wing Tactical to send you quality parts. We welcome you to contact us and talk to an expert if you aren’t sure which BCG is the best one for your specific rifle setup.

Frequently Asked Questions

What materials are bolt carrier groups made from?

The best bolt carrier groups are typically made from materials such as 8620 steel, Carpenter 158 steel, titanium, and other steel alloys.

How do you clean an AR-15 bolt carrier group?

You can clean an AR-15 bolt carrier group by unloading your rifle and removing its BCG. You can then apply your preferred cleaning solvent and use a brush to remove dirt and carbon deposits before moving on to cleaning its firing pin and cam pin. Finish by inspecting a BCG for signs of wear and tear, lubricating it, and reinserting it into your rifle.

Can I replace a bolt carrier group by myself?

You can replace a bolt carrier group if you are an experienced firearm owner who feels comfortable doing so. Otherwise, you should upgrade your AR-15 by bringing it to a gunsmith to guarantee that a BCG is replaced properly.

Which features should you look for in bolt carrier groups?

You should look for many features when shopping for bolt carrier groups for an AR-15. Ideally, look for one made from durable materials with advanced coatings. You should also track down one that has gone through extensive high-pressure tests and magnetic particle inspections.

What brands offer the best bolt carrier groups?

Wing Tactical sells bolt carrier groups from the best brands in the firearms industry. This includes industry stalwarts like Aero Precision, Anderson Manufacturing, Battle Arms Development, Inc., CMC Triggers, Fail Zero, Faxon Firearms, Iron City Rifle Works, Kaw Valley Precision, Midwest Industries, Noveske, Odin Works, Seekins Precision, Spike's Tactical, Volquartsen Firearms, and WMD Guns.