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...

    Anderson Manufacturing Black Nitride Bolt Carrier Group | BCG The Anderson Manufacturing AR 15 Bolt Carrier Group is manufactured to exact military tolerances and specifications. The carrier is 8620 carpenter steel. The bolt is 9310 MPI...

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...

  Nickel Boron M16 Bolt Carrier Group 5.56/.223/300 BLK (BCG)  The Nickel Boron M16 Bolt Carrier Group 5.56/.223/300 BLK (BCG) from Black Rifle Depot is a high-quality, precision-machined product with exceptional performance and easy...

AERO Precision 5.56 Bolt Carrier Group  No Logo - Black Nitride The Aero Precision non-logo'd BCG in Black NItride is an excellent BCG. It is a great way to include a BCG in your upper build if you are a custom builder and trying to maintain...

    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...

M16 Bolt Carrier Group - Polished Nickel Boron These M16 BCG's, which are trusted by seasoned shooters and depended on by experienced builders are manufactured with the highest quality materials. Each M16 Bolt Carrier is designed to perform for tens of...

  APOC Armory Black Nitride Bolt Carrier Group 5.56/.223 | BCG The APOC Armory Black Nitride Bolt Carrier Group 5.56/.223 | BCG is a top-quality product at an affordable price. Designed and manufactured in the USA, this BCG is backed by a limited...

  Toolcraft ION BOND - DLC .223/5.56/300BLK M16 Profile Bolt Carrier Group | BCG Toolcraft is known for high quality products. Their BCG's are second to none. Shop for Toolcraft products here at Black Rifle Depot and get the quality products you...

  AERO Precision 5.56 Bolt Carrier Group  No Logo - Phosphate These high quality AR 15 Bolt carrier Groups from AERO Precision are manufactured to mil spec and feature a Phosphate coating and would make a great addition to your next AR 15...

    AO Precision C158 SP/HPT/MPI 5.56 Black Nitride Bolt Carrier Group AO Precision has provided BCGs to large military contractors such as FN America and large commercial retailers who re-brand and sell these at a considerable mark-up...

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...

  AERO Precision Black Nitride Bolt Carrier Group | BCG A high quality BCG that is properly staked and no obtuse machine markes. This will make a great addition to your build. Features M16-cut carrier Machined from 8620 steel Carrier has forward...

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 their own bolt carriers, but...

  Toolcraft M16 Profile Titanium Nitride Bolt Carrier Group – BCG-TiN  Toolcraft, Inc. 5.56x45 NATO/.223 Rem M16 Profile Bolt Carrier Group is coated in Titanium Nitride to help reduce friction and overall wear on the bolt...

HM Defense AR-15 Bolt Carrier Group - Black Nitride The HMB Bolt corrects a natural weak point in existing Mil-Spec M16, AR-10 & AR-15 bolts where the cam pin hole passes through the bolt. Under extensive use, including the stress of combat, a...

  AERO Precision Nickel Boron Bolt Carrier Group | BCG Features Carrier is Machined from 8620 Tool Steel  Carrier has forward assist serrations Bolt is 9310 Steel Shrouded firing pin Nickel Boron Coating inside and out (Bolt, Carrier, and Gas...

.223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group  Black Nitride Enhance your AR-15’s functionality with Black Rifle Depot’s Left-Handed BCG for .223/5.56/.300BLK. Precision-engineered for left-handed operators, this bolt...

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...

AERO Precision AR 15 5.56 PRO Bolt Carrier Group - Black Nitride The AERO Precision AR 15 5.56 PRO Bolt Carrier Group in Black Nitride is a high-performance component designed to excel in the most demanding conditions. Built with meticulous attention to...

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...

Aero Precision 5.56 Bolt Carrier Group, Complete - Nickel Boron The upgraded nickel boron carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface...

Lantac Mil-Spec 5.56 Bolt Carrier Group - Black Nitride High-Quality Mil-Spec Performance at an Affordable Price The Lantac Mil-Spec 5.56 Bolt Carrier Group offers superior quality, affordability, and enhanced parts to elevate your AR-15 build. Featuring...

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...

.223/5.56 Bolt Carrier Group - Chameleon This M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR-15 build. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and...

    Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group - Nickel Boron The Toolcraft 5.56×45 NATO/.223 Rem (or .300 Blackout) Bolt Carrier Group comes in the Nickel Boron finish to reduce overall wear and friction, and for...

.223/5.56 Bolt Carrier Group - Blue PVD The .223/5.56 Bolt Carrier Group - Blue PVD is an ideal choice for your next AR15 build, offering compatibility and top-tier performance. Its PVD coating by Ionbond provides a hard surface, making cleaning easier...

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...

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...

Toolcraft .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group - Black Nitride This Left-Handed BCG by Toolcraft is a high quality BCG, for our Left-Handed friends, so you don't have to worry about any more annoying brass being ejected across your...

AR-15 .223/5.56 Bolt Carrier Group - FDE PVD The M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The "Armor Guard" PVD coating on these BCGs provides a very low coefficient of friction while providing...

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...

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...

Aero Precision AR-15 5.56/.223 Bolt Carrier Group w/ Carrier Grooves - Black Nitride Precision-Engineered, High-Quality BCG for Your AR-15 Build. The Aero Precision AR-15 5.56/.223 Bolt Carrier Group (BCG) is the perfect addition to any AR build,...

  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...

Lightweight .223/5.56 Bolt Carrier Group - Nickel Boron Enhanced Performance and Reduced Recoil for Precision Shooting The Lightweight 5.56/.223 Nickel Boron Bolt Carrier Group (BCG) for the AR-15 platform is precision engineered to MIL-SPEC standards...