AR-15 Upper Parts

Geissele Automatics Reliability Enhancement Kit - H1 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H1 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...

Geissele Automatics Reliability Enhancement Kit - H2 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H2 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...

Geissele Automatics Reliability Enhancement Kit - H3 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H3 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...

Lantac Enhanced AR-15/M16 Bolt Carrier Group LANTAC USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more.The Enhanced Bolt Carrier Group is precision machined from...

Lantac Enhanced AR-15/M16 Bolt Carrier Group - TiN Precision Machined for Ultimate Performance with Titanium Nitride Coating The LANTAC E-BCG (Enhanced Bolt Carrier Group) is crafted for unmatched performance in your AR-15 or M16 platform. Precision...

Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride The Lantac Full Auto Bolt Carrier Group .223/5.56 is machined from 8620 steel with a QPQ (Quench Polish Quench) nitride coated black finish. This BCG features shrouded forward-facing gas ports that...

LBE Unlimited AR-15 5.56/.223 Bolt Carrier Group - Phosphate The LBE M16 Complete Bolt Carrier Group comes assembled and ready to go. Features include: Phosphate 8620 Steel Carrier, Carpenter 158 Bolt (Extractor and Bolt Gas Rings Included), Chrome...

Luth-AR .223/5.56 MPI Bolt Carrier Group - Semi-Auto Profile - Mag Phos - Chrome Lined Luth-AR .223/5.56 Semi Auto Profile Bolt Carrier Group featuring a Mag Phosphate Finish and Chrome Lining. Bolt is MPI tested.

Midwest Industries AR-15 5.56/.223 Bolt Carrier Group - Black Nitride Premium Black Nitride BCG for Enhanced Performance and Durability The Midwest Industries AR-15 5.56/.223 Bolt Carrier Group is engineered for ultimate durability and smooth...

ODIN Works LOW Mass 223 Black Nitride Bolt Carrier Group High-Performance Low Mass BCG for Enhanced Shooting Dynamics Transform your AR-15’s performance with the ODIN Works Low Mass .223 Black Nitride Bolt Carrier Group. Engineered for high...

  Radian Weapons Enhanced AR 15 Bolt Carrier Group | BCG The Radian Enhanced AR 15 Bolt Carrier Group is designed to reduce friction and minimize carrier tilt inside the AR 15 Upper Receiver by relocating key bearing surfaces. Each Radian...

Rubber City Armory Black Nitride+ M16 Bolt Carrier Group Known for manufacturing some of the best BCG's that you will find in some of the BIG NAME manufacturers' OEM guns. Rubber City Armory M16 Bolt Carrier Group features a H&M’s Black...

Rubber City Armory Black Nitride+ M16 Bolt Carrier Group w/ Adjustable Gas Key Features Strong, easy-to-clean, enhanced heat treated Blackntride+ finish inside and out Revolutionary treatment eliminating the need for excessive oil or grease on tactical...

Rubber City Armory Lightweight AR-15 Titanium BCG A titanium AR15 BCG offers you the strength and durability of steel at a fraction of the weight. Add the Rubber City Armory Titanium BCG's proprietary nitride finish and you have a bolt carrier group that...

Rubber City Armory Lightweight AR-15 Titanium BCG w/ Adjustable Gas Key In building or upgrading an AR platform rifle, the bolt is, in many ways, the heart of the rifle. A quality bolt is part of what will make a rifle reliable, so it makes sense that...

Rubber City Armory Low Mass Competition AR-15 BCG The bolt carrier group moves back and forth with every shot. By reducing its weight, you reduce the weapon's felt recoil. Rubber City Armory's lightweight BCG, at 9.1 ounces, is the ideal bolt carrier...

Rubber City Armory Low Mass Competition AR-15 BCG w/ Adjustable Gas Key The bolt carrier group moves back and forth with every shot. By reducing its weight, you reduce the weapon's felt recoil. Rubber City Armory's lightweight BCG, at 9.1 ounces, is the...

SLR Rifleworks Premium Bolt Carrier Group Black Nitride - 556 Features: Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure. Outer diameter machined to all...

SLR Rifleworks Premium Bolt Carrier Group Titanium Nitride - 556 Features: Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure. Outer diameter machined to...

Sons of Liberty AR-15 M16 Profile 5.56/300 BLK Bolt Carrier Group - Nickel Teflon Coating (NTC) Sons of Liberty goes to show that in order to make the best products in the industry, you don't have to add bells and whistles. It takes consistently...

Spike's Tactical M16 Lightweight Nickle Boron Bolt Carrier Group Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical Lightweight BCG with Nickel Boron Coating. Features: Nickel...

Wilson Combat .223/5.56/300 BLK Low Mass Profile Bolt Carrier Group Polished NiB Low-Mass bolt carrier groups are a perfect choice for sporting or competition rifles tuned for ultimate recoil control and faster follow up shots. Because of their light...

Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Black Nitride Manufactured by our finest domestic, Mil-Spec contractors these are among the best AR rifle bolts on the market and the same bolt carrier groups we use as the basis of our...

Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Phosphate/Chrome-Lined Manufactured by our finest domestic, Mil-Spec contractors these are among the best AR rifle bolts on the market and the same bolt carrier groups we use as the basis of...

Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Polished NiB Manufactured by our finest domestic, Mil-Spec contractors these are among the best AR rifle bolts on the market and the same bolt carrier groups we use as the basis of our...

Faxon Firearms 7.62x39 AR-15 Bolt Carrier Group - Nitride The Faxon Firearms 7.62x39 Bolt Carrier Group is designed for long lasting reliability. The Bolt itself is made out of 9310 tool steel and Nitride coated to increase surface hardness even more...

Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group The Daniel Defense M16 Cut Complete Bolt Carrier Group is a MIL-SPEC, full auto compatible, M16 profile bolt carrier group assembly. The 8620 steel carrier and Carpenter 158 steel bolt assembly...

Battle Arms Titanium M16 BCG With ArmorTi Coating AR15 BATTLEARMS AR15/M4 Titanium carrier w/ ArmorTI coating. This carrier fills the space of an M16 profile while reducing weight substantially. Aerospace surface treatment provides ultimate durability...

Rise Armament Low-Mass Bolt Carrier Group - Black Nitride The Rise Armament Low Mass Bolt Carrier Group is a top-of-the-line upgrade for your AR-style platform. Precision manufactured and individually inspected; this bolt carrier group is designed to...