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 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.Features :Sand Cutter Carrier RailsDownward Gas...

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 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 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...

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. This BCG is a testament to KAK Industrys...

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

This is not a ,hard use, BCG. This is considered a consumable part, ARs with dialed in gas and buffer systems will prolong the life of this item. Recommended gas systems- Mid length, Rifle Length, or similar. Aluminum carrier with Satin Gold Anodize...

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...

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

Finish: Black NitrideModel: Bolt Carrier Group

Ar bolt carrier group 5.56mm.Caliber: 5.56 x 45mmFinish: Black

Model: Bolt KitHand: Ambidextrous

Bolt Assy, Dual Ejector, No Rings

Bolt, Cip, 716

Replacement parts for Mk10 (10mm) Bolt.

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

Bolt Carrier Assy, Semi, 716

No more fumbling fingers trying to reach for the bolt catch. The CMMG ZEROED extended bolt catch features dual oversized extended paddles with a tactile machined surface. Steel construction with a durable finish makes for a robustly built component with...

DSI Complete AR-15 Bolt Carrier Group

Screw, Bolt Catch, Mk3.

Bolt Cam Pin, 516

CMMG Mk3 Carrier with gas key installed and staked.

Deploy your favorite stock (or brace) faster than ever. The Fastback Receiver Extension attaches to any firearm that accepts a Mil-Spec receiver extension (buffer tube). Once installed, this allows you to easily pull the stock (or brace) back to an...

Stripped Bolt for CMMG Mk3/LR-308 rifles.

Pin, Roll, Bolt Catch, AR15

Bolt, 22ARC, Bravo

The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto rated M16/M4 bolt carrier group. The carrier features a properly torqued and staked, chrome lined, Nano coated, gas key. The cam pin is machined from an advanced tool steel also...

Bolt Catch Pin, 516

Bolt Catch

Bolt Carrier Assy, M400

Bolt Carrier Detent

Replacement firing pin, retaining pin, and cam pin for Mk47 firearms.

Bolt rehab parts kit for CMMG Mk3/LR308.

Bolt, Carrier Assy, 516

Bolt Catch Plunger, 516

Replacement parts for Mk47 (7.62x39) Bolt

Plunger, Bolt Catch, AR15

CMMG Bolt Stripped | AR-15 | 5.56x45mm, .223 Rem, 300BLK.

M16 Carrier with gas key installed and staked.

Don't miss out on range day waiting for spare parts, grab this Bolt Rehab Kit for your CMMG .22 LR conversion kits and .22 LR dedicated bolts.

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.

Bolt Catch, 516

Stripped AR-15/M16 bolt carrier. Does not include gas key, bolt, or firing pin.

Based on the SOPMOD designed bolt upgrade and rebuild package, this kit is designed to breathe new life into your bolt assembly. The bolt assembly is the heart of your AR15 rifle system and preventative maintenance used by professions insures these...

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

Bolt Catch, 716

Bolt Catch, AR15

Bolt Catch, 556Xi

Bolt Catch Spring, 516

Spring, Bolt Catch, AR15

The BCM bolt assembly is machined from the correct Milspec Carpenter No. 158 steel, shot peened for increased strength, includes tool steel machined extractor, BCM Extractor Spring, and is HPT and MPI (Magnetic Partical Inspected).

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.

No more fumbling fingers trying to reach for the bolt catch. The CMMG ZEROED extended bolt catch features dual oversized extended paddles with a tactile machined surface. Steel construction with a durable finish makes for a robustly built component with...

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...

Complete Mk47/7.62X39mm bolt carrier group.

Bolt Catch, Mk3.

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

This bolt carrier group has been test fired and the gas key properly staked to give you the best possible product.

No more fumbling fingers trying to reach for the bolt catch. The ZEROED AR10 extended bolt catch features dual oversized extended paddles with a tactile machined surface. Steel construction with a durable finish makes for a robustly built component with...

Bolt, Cip, 516/M400

Bolt, 9mm

Plunger, Bolt Catch, Ambi

Midwest Industries Inc Extended Bolt Handle for Ruger PC9 Carbines. (Only compatible with new Ruger PC9 TakeDown 9mm/40 cal carbine models)

Odin Works Bolt Catch, Black Acc-xbc-blkProduct Type: Bolt Catch

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...

2a Armament Bolt Carrier Group, Titanium Regulated Bolt Carrier Group, Ar PlatfromProduct Type: Bolt Carrier Group

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...

The strike extended bolt handle for benelli m2 provides a longer, ergonomic and positive tactile feeling over the smaller original factory handle.Extended for smooth operation under a variety of conditions, no more fear of tearing up your knuckles with...

RISE Reliant Triggers enhance performance and offer easy installation, easy adjustment, and reliable safety for Remington 700 and Rem 700 clone bolt-action rifles. The Reliant Pros Easy-Access Adjustability allows you to easily adjust the triggers pull...

The SI-XBC Extended bolt catch is a heavy duty, go-fast addition to the SI line of enhanced parts. Under high stress situations, the oversized bolt release lever aides in rapid thumb or palm engagement, even with gloved hands. The lever is reinforced for...

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...

The Enhanced Bolt Catch is made from heat treated Billet steel and offers enhanced control surfaces, better ergonomics and a versatile modular design.Features :Black Oxide FinishLightweightEnhanced Control Surfaces with Serrations

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...