AR-15 Bolt Carrier Groups
AR-15 Bolt Carrier Groups | AR 15 BCG's
AR-15 bolt carrier groups (BCG) are crucial components of the AR-15 rifle, responsible for the cycling of the action and firing of the rifle. Our selection of BCG's includes a variety of styles, including full-auto and semi-auto, made with durable, high-quality materials such as steel and titanium. Many of our BCG's come with additional features such as enhanced gas key, NP3 coating, and chrome lining, which increases the BCG's durability, reliability, and resistance to corrosion. Whether you're a recreational or professional shooter, our BCG's offer improved performance and longevity. Browse our selection of top-quality BCG's from leading manufacturers and find the perfect fit for your rifle. Upgrade your AR-15 today with one of our high-performing BCG's and ensure smooth and reliable operation of your rifle.
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Out of stock
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome
Microbest
MSRP: $154.95$139.95Microbest 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...MSRP: $154.95$139.95 -
Mil-Spec M16 Bolt Carrier Group (BCG)
AO Precision
MSRP: $159.95$99.95AO 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...MSRP: $159.95$99.95 -
Out of stock
AO Precision C158 SP/HPT/MPI 5.56 Black Nitride Bolt Carrier Group
AO Precision
MSRP: $169.95$119.95AO 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...MSRP: $169.95$119.95 -
Out of stock
AERO Precision 5.56 Bolt Carrier Group No Logo - Phosphate
Aero Precision
MSRP: $165.00$139.95AERO 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...MSRP: $165.00$139.95 -
Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride
Microbest
MSRP: $134.95$124.95Microbest 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...MSRP: $134.95$124.95 -
Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
Microbest
MSRP: $149.95$134.95Microbest 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...MSRP: $149.95$134.95 -
Out of stock
Lantac Mil-Spec 5.56 Bolt Carrier Group - Black Nitride
Lantac USA
MSRP: $189.99$170.99Lantac 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...MSRP: $189.99$170.99 -
Out of stock
Sons of Liberty Gun Works AR 15 Bolt Carrier Group
Sons of Liberty Gun Works
MSRP: $199.00$179.95Sons 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...MSRP: $199.00$179.95 -
Out of stock
KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Lined Phosphate
KAK Industry
MSRP: $219.95$199.95KAK 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...MSRP: $219.95$199.95 -
Out of stock
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC - Grey
Toolcraft Inc.
MSRP: $209.95$189.95Toolcraft .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...MSRP: $209.95$189.95 -
Out of stock
Spike's Tactical 5.56/.223 M16 Cut Bolt Carrier Group - Phosphate
Spike's Tactical
$149.95Spike's Tactical 5.56/.223 M16 Cut Bolt Carrier Group - Phosphate Your bolt carrier group is one of the most critical parts of your build. Don't buy an imitation. This is the same BCG Spike’s uses on their builds. These complete bolt carrier groups...$149.95 -
Out of stock
Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate
Aero Precision
MSRP: $165.00$141.95Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate...MSRP: $165.00$141.95 -
Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined
Dirty Bird Industries
MSRP: $149.95$125.95Dirty 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...MSRP: $149.95$125.95 -
Out of stock
KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome
KAK Industry
MSRP: $259.95$249.95KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Patent Pending 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...MSRP: $259.95$249.95 -
Out of stock
Toolcraft .223/5.56/300 BLK M16 C158 Profile Bolt Carrier Group - P51 (Polished DLC)
Toolcraft Inc.
MSRP: $179.95$169.95Toolcraft .223/5.56/300 BLK M16 C158 Profile Bolt Carrier Group - P51 (Polished DLC) This Toolcraft P51+ Polished DLC BCG is made with a carpenter 158 bolt with a full-auto profile, designed to be used in AR-15 & M-16 style rifles. Bolt is...MSRP: $179.95$169.95 -
Out of stock
Angstadt Arms AR 15 Bolt Carrier Group
Angstadt Arms
$139.99Angstadt Arms AR 15 Bolt Carrier Group The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to...$139.99 -
Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $129.99$109.95Toolcraft .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...MSRP: $129.99$109.95 -
Out of stock
Geissele .223/5.56 Reliability Enhanced Bolt Carrier Group
Geissele Automatics
$385.00Geissele .223/5.56 Reliability Enhanced Bolt Carrier Group The Reliability Enhanced Bolt Carrier Group (REBCG) is a 5.56mm full-mass, full-auto rated M16/M4 bolt carrier group manufactured in Geissele’s state-of-the-art manufacturing facility in...$385.00 -
Out of stock
Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group - Hard Chrome
Sons of Liberty Gun Works
MSRP: $250.00$237.95Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group - Hard Chrome Uncompromising Quality and Performance The Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group (BCG) is built to deliver unmatched reliability and precision. Every...MSRP: $250.00$237.95 -
Out of stock
Spike's Tactical AR 15 Nickel Boron Bolt Carrier Group
Spike's Tactical
MSRP: $225.00$219.95Spike's Tactical AR 15 Nickel 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 BCG with Nickel Boron Coating. Features: Nickel Boron Coating...MSRP: $225.00$219.95 -
Out of stock
A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron
A*B Arms
$199.99A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The A*B...$199.99 -
Out of stock
FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride
FailZero
MSRP: $169.99$159.95FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero.The M16 Bolt Carrier Group is...MSRP: $169.99$159.95 -
Out of stock
FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Nickel Boron
FailZero
MSRP: $159.99$149.95FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Nickel Boron Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero. The M16 Bolt Carrier Group is...MSRP: $159.99$149.95 -
Forward Controls Design NP3 M16 Bolt Carrier Group
Forward Controls Design
$275.00Forward 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,...$275.00 -
Out of stock
Geissele Automatics Reliability Enhancement Kit - H1
Geissele Automatics
$425.00Geissele 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...$425.00 -
Out of stock
Geissele Automatics Reliability Enhancement Kit - H2
Geissele Automatics
$440.00Geissele 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...$440.00 -
Out of stock
Geissele Automatics Reliability Enhancement Kit - H3
Geissele Automatics
$455.00Geissele 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...$455.00 -
Lantac Enhanced AR-15/M16 Bolt Carrier Group
Lantac USA
MSRP: $299.99$269.99Lantac 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...MSRP: $299.99$269.99 -
Lantac Enhanced AR-15/M16 Bolt Carrier Group - TiN
Lantac USA
MSRP: $339.99$305.99Lantac 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...MSRP: $339.99$305.99 -
Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride
Lantac USA
MSRP: $279.99$251.99Lantac 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...MSRP: $279.99$251.99 -
Out of stock
LBE Unlimited AR-15 5.56/.223 Bolt Carrier Group - Phosphate
LBE Unlimited
$169.99LBE 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...$169.99 -
Out of stock
Midwest Industries AR-15 5.56/.223 Bolt Carrier Group - Black Nitride
Midwest Industries
MSRP: $167.95$157.95Midwest 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...MSRP: $167.95$157.95 -
Out of stock
Sons of Liberty AR-15 M16 Profile 5.56/300 BLK Bolt Carrier Group - Nickel Teflon Coating (NTC)
Sons of Liberty Gun Works
MSRP: $269.00$255.95Sons 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...MSRP: $269.00$255.95 -
Out of stock
Spike's Tactical Lightweight Nickle Boron Bolt Carrier Group
Spike's Tactical
MSRP: $250.00$239.95Spike'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...MSRP: $250.00$239.95 -
Out of stock
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Phosphate/Chrome-Lined
Wilson Combat
$179.95Wilson 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...$179.95 -
Out of stock
Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group
Daniel Defense
MSRP: $237.00$228.00Daniel 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...MSRP: $237.00$228.00