The Best AR-15 Bolt Carrier Groups (BCGs) 2025 Last Updated on November 15, 2023, Published on January 4, 2022 by The Arms Guide At a Glance: Best BCG AR-15 OUR TOP PICK: Brownells Titanium BCG RUNNER UP: JP Stainless Steel Low Mass BCG BEST BUDGET OPTION: Bravo Company Manufacturin...
If the barrel is the heart of the AR 15, the gas system is its lungs. The gas from each shot is directed through a tiny hole in the barrel and back toward the receiver to work the action. The original and most common way it does this is by direct impingement (DI). In a DI rifl...
Most AR15s use a direct impingement gas operating system. Simply put, that means some of the gas from each fired round is directed through a tube running above the barrel. It blows out of the tube directly against the bolt carrier, causing the bolt assembly to move back to cycle the acti...
This is an upper receiver, not a complete rifle. Attach it to any standard AR-15 lower and pair it with any folding adapter, and you’ll have a folding AR-15 (of sorts) that can even fire while folded! However, the BRN-180 isn’t technically an AR-15; it’s more of a modern ...
Whether you’re building an AR-15 for the .300 AAC or simply replacing a stock BCG, any one of the bolt carrier groups that we’ve covered here today will make a solid upgrade. If you do end up going a different route, you can always follow our buyer’s guide section that we went...
Sharps Rifle company is dedicated to improvements and advancements in respect to critical AR/MSR components such as our patented full auto bolt carrier groups. Find out more about our full range of products.
The bolt carrier group, moving backward and forward in this smoothly automated fashion, is the mechanized soul of your AR-15. It includes the direct gas impingement system. After the bullet is fired, it uses the gases released to power the BCG through its cycle. ...
Top AR-10 Muzzle Brakes Top AR-10 Bolt Carrier Groups Top AR Grips for Precision Shooting Our Team's Selection Process Overall Performance The first thing we always look after when selecting the best AR-10 upper receiver is the overall performance. We tested almost twenty upper receivers and...
This upper does not come with a bolt carrier group or charging handle. If you're in the market for a BCG, you can't go wrong with BCM Mil-Spec BCG. I run this on nearly all of my AR-15s. You can also check out our guide to thebest charging handles. ...
Founded by a veteran, Wing Tactical finds the best tactical gun parts and accessories for AR-15s, Glocks, and other firearms so that you don’t have to.