Bolts, Bolt Carrier Groups, and Accessories

The K-SPEC Enhanced AR-15 BCG is engineered for peak performance in 5.56 and 300 Blackout rifles, offering unparalleled reliability, whether youre operating with a suppressor or in the cleanest of conditions.Features :C158 Dual Ejector BoltDownward Gas...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :Steel Weighted Carrier Compatible with Colt and Glock Style...

The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...

Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...

Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of...

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...

The NP3 coating is applied through an electroless nickel plating process combined with a fluoropolymer, which gives it its unique properties. The fluoropolymer component helps to reduce friction, which can improve the performance and longevity of the...

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :224 Valkyrie/ 6.8 SPC/ 338 SpectreM16 Auto Profile Carrier Machined...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :M15 Auto Profile Carrier9310 BoltChrome Cam Pin4130 Gas Key

Stripped carrier is finished in an Ion Bonded Black. Lowers friction and cleans easier. BCM (MPI) complete bolt carrier group is fully assembled. (BCG) Bolt carrier group (auto version) for your AR15, M16, or M4. Parkerized exterior and chrome lined...

Finish: Black NitrideModel: Bolt Carrier Group

Radian Weapons Bolt Carrier Group, Black, Nitride R0081Product Type: Bolt Carrier GroupFinish/Color: Nitride

Bolt Assy, Dual Ejector, No Rings

Bolt, Cip, 716

Fits most AR-15 Style Rifles for .223, 5.56 or .300 Blackout

DSI Complete AR-15 Bolt Carrier Group

CMMG Mk3 Carrier with gas key installed and staked.

Bolt Carrier Assy, M400

Stripped Mk3/LR-308 bolt carrier. Does not include gas key, bolt, or firing pin.

Bolt Assy, 516

Complete Bolt Carrier Group for 6.8SPC/.224 Valkyrie.

SIG SAUER Electro-Optics transforms hunting with the unprecedented simplicity and accuracy of BDX. KILO BDX rangefinders use your ballistics and Bluetooth to illuminate the exact holdover dot in SIERRA3BDX riflescopes.

22LR Bolt Group for CMMG 22LR dedicated barrels and upper groups.

Complete BCG Repair Kit For Mk10 10mm.

The CMMG Mk3 Carbine Receiver Extension and M4 Stock Kit has all the essentials for your next AR lower build. The M4 buttstock is a proven lightweight design that is extremely durable.

Complete BCG Repair Kit For Mk47 7.62x39

Simple and dependable, the A1 stock is one of the most iconic AR accessories ever produced. The CMMG A1 stock features a rear storage compartment and sling mount and includes everything you need for your Rifle length Mk3/LR-308 buffer system. Made from...

Mk3/LR-308 bolt assembly. Ejector, Extractor, and Gas Rings pre-installed.

This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are coated with EXO...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into  most mil spec M16" M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity" extreme durability and...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity" extreme durability and increases both...

Odin Works Bolt Carrier Group, Bolt Carrier Group, Stainless Steel Finish Acc-9mm-enhanced-bcg-ssModel: Bolt Carrier GroupProduct Type: Bolt Carrier GroupFinish/Color: Stainless

Rise Armament Bolt Carrier Group, .223/5.56,Product Type: 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 Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)Laser...

Sons of Liberty Gun Works looks at the bolt carrier group as the heart of the gun. If the gas port is the lungs, then the bolt carrier group is the heart. Its what drives the entire gun. If you look at the AR platforms cycle of operations, everything...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...

The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...

This high quality bolt carrier group is a valuable addition to your 6.5 Grendel/6mm ARC build.Features :M16-cut carrierMachined from 8620 steelType 2 Bolt Face (.136)Carrier has forward assist serrationsBlack Nitride Finish - advanced lower friction...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...

Enhanced 9mm Blowback AR-15 Bolt Carrier Group is compatible with both COLT and GLOCK magazine configurations. Features reliable AR-15 style extractor claw with O-Ring and spring and broad trigger compatibility with ramped bottom geometry. Charging...

Battle Arms Development Bad-ebcg-m16, Enhanced Bolt Carrier Group, Black Finish Bad-ebcg-m16Model: BAD-EBCG-M16Product Type: Bolt Carrier GroupDescription: Enhanced Bolt Carrier Group

The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components.Features...

This BCG is designed to operate with either 6.5 Grendel or Hornadys new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.Features :CALIBER: 6.5 Grendel/6mm ARC

The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group for the New Hornady 6mm ARC is designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC Triggers manufactures the highest quality firearms...

Aero Precision Bolt Carrier Group, 9mm, Fits Ar9, Nitride Finish, Black Aprh200083cModel: Bolt Carrier GroupProduct Type: Bolt Carrier GroupFinish/Color: Anodized

This replacement bolt for any of lwrc rifles chambered in 6.8mm, including both the six8 line and the legacy m6 rifles with 6.8 spc barrels.This bolt fits into any mil-std carrier and functions accordingly.With a fully supported bolt face, lwcr's acbs...

Wilson combat bolt carrier features a drop in fit for any quality 5.56 case head based ar rifle.Precision machined from carpenter 158, shot peened for increased strength and includes a tool steel extractor and ejector, appropriate extractor spring, and...

Finish: Black NitrideModel: ARMaterial: SteelAction: Semi-Auto

During the high stress encountered in most tactical environments, its extremely difficult to locate by feel the small bolt release button found on the Benelli M4. To improve tactile recognition, GG&G developed an oversize tactical Benelli bolt release...

Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use, creating longer dwell time and less blowback to the shooter. Gas Adjustment can...

Failzero 450 Bushmaster, Bolt Carrier Group, Silver, No Hammer, Nickel Boron Fz-450-01-nhModel: 450 BushmasterProduct Type: Bolt Carrier GroupFinish/Color: Nickel BoronDescription: No Hammer

This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.8 SPC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...

This complete bolt-and-carrier group easily drops into a standard mil-spec AR-15 upper, and its ready to shoot. Batch magnetic particle inspected bolt gives long service life. Bolt and carrier feature a matte black phosphate finish that resists heat,...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16" M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...

Manufactured by their finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts they use as the basis of their renowned custom rifles! Their bolt is precision machined from Carpenter 158" shot...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

Bootleg .308 Phosphate Complete Bolt Assembly Cam Pin, Firing Pin And Retaining Pin, Uses All Standard Mil Spec Components Bp-abc-p30Product Type: Bolt Carrier Group

High quality components and precise manufacturing make Midwest Industries parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

Midwest Industries Enhanced Bolt Carrier Group, Black, Bcg Mi-bcg-556ehModel: EnhancedProduct Type: Bolt Carrier GroupDescription: BCG

Failzero Bolt Carrier Group, Silver, No Hammer, Nickel Boron Fz-6.5-grendel-01-nhProduct Type: Bolt Carrier GroupFinish/Color: Nickel BoronDescription: No Hammer

High quality components and precise manufacturing make San Tan Tactical parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

High quality components and precise manufacturing make FailZero parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increased...

The Spikes Tactical 9mm Enhanced Bolt can be used with both Glock and Colt pattern lowers.Features :Blow Back DesignBlack Nitride FinishLaser Engraved with ST Spider Logo

Manufactured by Defense Industrial Base suppliers to WMDs exacting specifications to provide the best BCG available, these BCGs are specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and...

Machined from 4140" Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, M16 Style.Features :Nitride CoatingMachined from 4140M16 Style

San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machines in conjunction with the highest quality American made materials.Features :Black Nitride Finish6mm ARCEnhanced Bolt...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...

The GG&G Benelli Tac Pad is manufactured to not rotate as other pads in the market place do. The knurled pad is easy to locate by touch and manipulate, even with a gloved hand. All parts and instructions are included in the Tactical Bolt Release kit...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16" M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...

High quality components and precise manufacturing make LuthAR parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise...

The Rosco Melonited Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one they want to...

This 6MM ARC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6MM ARC. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme...

This 7.62x39 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec upper receivers chambered in 7.62x39. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...

These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco Phosphate Bolt Carrier Groups are designed to meet the...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

Sons Of Liberty Gun Works Bolt Carrier Group, Scalper, 223 Remington/556nato, Manganese Phosphate Finish, Black Solgwbcg556-scalperModel: Bolt Carrier GroupProduct Type: Bolt Carrier GroupFinish/Color: Manganese Phosphate

This bolt carrier is a valuable addition to your ar-15 build.It features a properly staked gas key, forward assist serrations, a black o-ring insert on the extractor, and is made of steel.Finish: Black NitrideType: Bolt Carrier GroupModel: CompleteSize:...

Cmc triggers enhanced bolt carrier group improved fatigue strength, increases wear resistance, exceptional lubricity and low friction coefficient, withstands corrosion per astm spec b117, with enhanced cosmetic appeal and better corrosion protection at...

The rise armament ar-15 bolt carrier group (bcg) manufactured with precision and individually inspected to ensure high-level performance.Finish: Black NitrideType: Bolt Carrier GroupModel: Bolt Carrier GroupSize: 223 Remington/5.56 NATOMaterial: Steel

Phase 5's mil-spec ar-15 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating.The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt.Finish: Black PhosphateType: Bolt Carrier GroupModel: Bolt...

Spikes tactical complete phosphate m-16 bcg features phosphate coating inside and out (bolt, carrier and gas key), laser engraved with st spider logo, mil spec carrier and full auto m-16.Includes mil-spec extractor, mil-spec gas key, firing pin, cam pin...

The angstadt arms ar-15 bolt carrier group is machined from 8620 alloy steel with a qpq black nitride finish.It features a removable weight for use with law tactical folding stock adapter and is compatible with both glock and colt 9mm ar-15 magazines.Use...

Phase 5's mil-spec m-16/m-4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating.The complete bolt carrier group includes: cam pin, firing pin, gas key, and bolt.Finish: Black PhosphateType: Bolt Carrier GroupModel:...

This bolt carrier is a valuable addition to your ar15 build.It features a mil-spec phosphate coating, properly staked gas key with a chrome lined gas key and firing pin channel, a black o-ring insert on the extractor and is made of steel.Finish: Black...

This nickel boron bolt carrier is an eye catching addition to your ar build.It features mil-spec dimensions and coating, is made of steel, with a shrouded firing pin, mil-spec extractor spring, black extractor insert, viton o-ring and a tool steel...

The heart of a reliable ar-15 build is a quality 5.56 bolt carrier group assembly.These are the same high quality bcgs angstadt makes for law enforcement and military groups around the world.Machined to mil-spec dimensions and finished in a beautiful...

The m-16 complete bolt carrier group comes assembled and ready to go.It is constructed of phosphate coated 8620 steel with chrome-lined interior and gas key.Finish: Black PhosphateModel: Complete BCGMaterial: 8620 SteelAction: Full Auto

M16 complete bolt carrier group nickel boron bolt material 9310 tool steel, carrier 8620 steel, staked gas key, nib coated, includes firing pin, retaining pin, cam pin, extractor, bolt gas ringsFinish: Nickel BoronModel: Complete BCGMaterial: 8620...

Material: 8620 Steel

The vk combat match bolt offers unyielding combat reliability with the finesse, precision and accuracy of a match prepared part.Specifically designed for the greatest accuracy potential possible without sacrificing reliability in all conditions.

Material: 8620 Steel

Material: 8620 Steel

Material: 8620 Steel