AR-15 Upper Parts

.223/5.56 Bolt Carrier Group - Black Nitride The .223/5.56 Black Nitride Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue...

Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome The Microbest Bolt Carrier Group is a great choice for any build. This drop-in AR-15 BCG features a corrosion resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected...

    AO Precision Mil-Spec M16 Bolt Carrier Group (BCG) Reliable Mil-Spec Bolt Carrier Group for Superior Performance The AO Precision Mil-Spec M16 Bolt Carrier Group (BCG) is crafted to strict military specifications, delivering a durable and...

Bootleg AR 15 Four Position Adjustable Bolt Carrier Group The Bootleg AR-15 Four Position Adjustable Bolt Carrier Group offers superior performance, exceptional durability, and increased flexibility for the modern shooter. Machined from high-strength S7...

Toolcraft Black Nitride .223/5.56/300BLK M16 Profile Bolt Carrier Group Toolcraft is known for their unsurpassed quality and durability in their BCG's. Mil-Spec is just the beginning, they have spent attention to detail in every aspect of the...

    Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group This Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked...

Toolcraft Nickel Boron .223/5.56/300BLK M16 Profile Bolt Carrier Group Features 5.56/.223/.300 Black Out Full Auto Capable Carpenter 158 MPI and HPT Tested Bolt Case Hardened 8620 Carrier 4130 Gas Key Grade 8 Hardware With Proper Staking Gas Key Sealed...

Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride The Microbest 5.56 NATO AR-15 Bolt Carrier is known for being the benchmark for quality and reliability throughout the industry. Microbest not only manufactures its own bolt carriers but also...

Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined The Microbest BCG has been designed from the ground up with the most avid shooters in mind, using only the best materials available on the market today.  The...

Lightweight .223/5.56 Bolt Carrier Group - Black Nitride Precision Engineering for Reduced Recoil and Improved Accuracy Elevate your AR-15’s performance with the Lightweight .223/5.56 Bolt Carrier Group. Precision-machined to MIL-SPEC standards,...

BRD .223/5.56 Bolt Carrier Group - TiN The M16 Bolt Carrier Group is the perfect BCG for your next build and is compatible with any AR15 build. The titanium nitride coating provides a very slick surface that makes for easier cleaning and increases...

Sons of Liberty Gun Works AR 15 Bolt Carrier Group Precision Built to Exceed Mil-Spec Standards The Sons of Liberty Gun Works AR-15 Bolt Carrier Group is engineered for durability and reliability, meeting and surpassing Mil-Spec expectations. Built from...

KAK Industry K-SPEC 9310 AR-15 5.56/.223/300BLK Bolt Carrier Group - NP3 The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and...

Faxon Chameleon M16 Bolt Carrier Group We just can't help not accepting the status quo. Bolt carrier groups are available aplenty, but few could meet our exacting standards for performance and value. Seeing "MIL-SPEC" as just the starting point, we set...

KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Lined Phosphate The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or...

Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC - Grey The Palmetto State Armory DLC coated Bolt Carrier Group was designed with the serious AR enthusiast in mind. The bolt is made of Mil-spec Carpenter 158 steel, shot peened and...

  Faxon Firearms Black Nitride 5.56/300 BLK M16 Bolt Carrier Group | BCG Faxon Bolt Carrier Groups are Mil-Spec with a "Superfinish" to increase the overall smoothness of operation, help reduce friction, and dramatically reduce fouling. They...

Centurion Arms Bolt Carrier Group Precision Engineering for Reliable AR Performance The Centurion Arms C4 Bolt Carrier Group delivers the reliability and durability you need for your AR platform. Built with MPI-tested bolts and a full auto carrier, this...

AR-15 .223/5.56 Bolt Carrier Group - DLC The .223/5.56 DLC Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue strength, and a...

CMC Triggers Enhanced Bolt Carrier Group The CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance from weapon components at the heart of their firearm. CMC proudly manufactures the highest quality firearms...

Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined The Dirty Bird AR-15 Bolt Carrier Group comes fully assembled and ready to be dropped in. The carrier body is machined from 8620 steel, heat treated, & MP inspected...

Rise Armament AR 15/M 16 Nickel Boron Bolt Carrier Group The Rise Armament AR 15/M 16 Nickel Boron Bolt Carrier Group is the perfect choice for shooters who demand the best performance and reliability. The high-quality construction and attention to...

Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete - Nitride When looking at lightweight bolt carrier groups, we were unsatisfied with what the market had to offer. Seeing a capability gap, we set out to create a bolt carrier group that...

ODIN Works Black Nitride Bolt Carrier Group 223REM/556NATO/300BLK As an essential part of any rifle, the ODIN Works .223 Black Nitrided, Type 2 bolt face is Mil-Spec and comes with a Case Hardened 8620 Steel Black Nitride Finish. This advanced low...

Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group - Black Nitride Toolcraft Inc. is an OEM manufacturer of bolt carrier groups (BCGs) for many AR15 makers. These companies know they can trust Toolcraft quality and are proud to have their...

Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56 The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique carrier design with practical improvements in two key areas:  Strategically relocated load bearing...

Rosco Manufacturing Bloodline 5.56/300BLK M16 Bolt Carrier Group - Nitride These 5.56 / 300 BLK Bolt Carrier Groups are Melonited, Full-Auto rated, are properly staked, and the bolts are Matched to the barrel. Check your local laws and regulations on...

VKTR Industries AR-15 Direct Impingement 5.56/.223 Bolt Carrier Group - Hard Chrome Elevate your AR-platform rifle with the VKTR Complete Direct-Impingement Bolt Carrier Group. This precision-machined component boasts a patented long-advance cam path for...

Centurion Arms AR-15 5.56 Chrome BCG, Sand Rail Cut w/ Chrome V2 Bolt The Centurion Arms V2 is the next evolution in high-reliability bolt carrier groups for use in standard barrel extensions. The V2 Sandcutter Chrome Bolt Carrier Group from Centurion...

Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56 Reliability in Any Environment Engineered for ultimate performance in the harshest conditions, the Dirty Bird Industries Sand-Cut Bolt Carrier Group (BCG) for .223/5.56 delivers unmatched...

Forward Controls Design NP3 M16 Bolt Carrier Group High-Quality Construction with Enhanced Durability and Performance Forward Controls Design takes the M16 bolt carrier group to new heights with a focus on high-quality materials, thoughtful enhancements,...

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...

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...

Lantac Mil-Spec 5.56 Bolt Carrier Group - TIN M-SPEC® is a range of AR15 accessories and components that follow the military specification in dimensions, tolerances, and materials with the addition of a few upgrades and enhancements to raise the...

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 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...