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Piston Bolt Carrier

Best Sellers
  1. 308 Ar Bolt Carrier Group - Ar-308 Bolt/Carrier Assembly, Parkerized
    Item#:
    231-000-265  
    Our Price:
    $299.99
    Description:
    Complete AR-style .308 bolt and carrier assemblies are drop-in ready for replacement of worn components in existing DPMS LR-308 rifles or for a new custom build. Bolt comes fully assembled with firing pin, cam pin, firing pin retaining pin, ejector, extractor, and gas rings installed. Mil-spec Parkerized finish. Carrier comes with gas key installed and staked, and is available with standard Parkerized finish. Mfg: Dpms SPECS: Bolt - Carpenter 158 steel alloy, Parkerized, matte black finish. Carrier - 8620 carbon steel, matte black Parkerized finish.
  2. Ar-15 5.56 Bolt Carrier Group - Bolt/Carrier Assembly
    Item#:
    430-000-527  
    Our Price:
    $169.99
    Description:
    High-quality, mil-spec parts from a respected name in precision firearms for more than 75 years, now a premier maker of complete AR-15 rifles. Replace worn or damaged parts to return a service rifle to factory specs or use in building a precision custom rifle that meets your exact requirements. Complete, prepackaged kit includes all the parts you need for specific subassemblies. Saves time and money—no need to hunt down each item individually. Bolt/Carrier Assembly includes carrier, carrier key, bolt, extractor, extractor spring, extractor pin, ejector, ejector spring, ejector pin, firing pin, firing pin retainer, cam pin, (3) gas rings, and screws. Mfg: High Standard SPECS: Steel, parkerized, matte black finish;
  3. 308 Ar Bolt Carrier Group - 308ar Bolt Carrier Group Mk3
    Item#:
    100-013-649  
    Our Price:
    $269.99
    Description:
    Complete bolt/carrier group is ready to drop into your AR-style .308 rifle and run hard. Machined of 8620 steel, carrier has a durable phosphate finish and chrome lined interior. Carrier does not have serrations for a forward assist. Bolt is machined from 9310 hardened steel with an extractor of hardened S7 tool steel and a phosphate finish. Gas key has been torqued to spec and properly staked. Firing pin is machined from stainless steel. Group also includes cam pin and firing pin retaining pin. Mfg: Cmmg SPECS: Carrier - 8620 steel, chrome lined, phosphate finish, matte black. Bolt - 9310 steel, phosphate finish. Extractor - S7 tool steel, phosphate finish. Firing Pin - Stainless steel.
  4. Bolt Carrier - Ar15a4 Key & Bolt Carrier Assembly
    Item#:
    160-000-371  
    Our Price:
    $135.99
    Description:
    Factory original, fire control parts keep your select-fire Colt M16/M4 shooting reliably, so you’ll be prepared to face intensive tactical operations with the confidence of knowing your weapon won’t let you down. These parts are precision engineered and manufactured to strict quality control standards from the finest materials for correct fit in your gun. Mfg: Colt SPECS: Steel. Matte black finish.
  5. 308 Ar Low Mass Bolt Carrier Group - Jpbc-4ba Low-Mass Bolt/Carrier
    Item#:
    452-000-128  
    Our Price:
    $423.99
    Description:
    Reduced-weight bolt/carrier assembly helps tame felt recoil on a JP or DPMS or Remington AR-style .308 rifle (LR-308 pattern only). Carrier features the same type of weight-reducing cuts found on the original JPBC-3 AR-15 bolt carrier to give the same benefits your .308. Wide carrier rails have extra bearing surface to improve bolt alignment and reduce wear. Comes with a complete JP EnhancedBolt™ (also available separately), designed to stand up to high-heat, high-impact use. Carrier key is already installed and staked. Available with QPQ or polished stainless finish. Mfg: J P Enterprises
  6. M16 5.56 Bolt Carrier Group - Complete Bolt/Carrier Group, M16
    Item#:
    100-004-634  
    Our Price:
    $185.00
    Description:
    Drop-In Assembly With Strength & Durability Features For Dependable Service

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Gas Piston Bolt Carrier

Related Items
  1. Ar-15/M16 9mm Enhanced Bolt Carrier Group - 9mm Bolt/Carrier Mk9
    Item#:
    100-004-363  
    Our Price:
    $169.99
    List Price: $219.99
    Description:
    Complete, drop-in carrier/bolt assembly is ramped on the bottom to provide clearance for a factory .223/5.56mm hammer in your 9mm conversion. Eliminates the need to install a dedicated 9mm hammer, so the original fire control system stays intact for easier conversion back to original caliber. Precision machined from high-grade ordnance steel, the one-piece design combines bolt and carrier as a single unit to provide outstanding strength, durability, and reliability. Includes a staked-on carrier key. Does Not Work With Glock Magazines Mfg: Cmmg SPECS: Steel, black oxide finish. Fits rifles and carbines with Rock River Arms and Colt-style 9mm blow back system.
  2. M16 5.56 Bolt Carrier Group - .223/5.56 Bolt/Carrier, Phosphate Finish
    Item#:
    100-007-035  
    Our Price:
    $139.99
    Description:
  3. M16 6.8spc Bolt Carrier Group - 6.8mm Spc Bolt Carrier Group
    Item#:
    100-009-948  
    Our Price:
    $185.00
    Description:
    Complete, mil-spec assembly with bolt, bolt carrier, and firing pin ready to drop into the rifle or carbine upper of your choice. Features a shot-peened bolt for increased surface strength and durability, and an extractor booster to ensure reliable cycling during rapid semi-auto or full-auto fire. Each assembly is magnetic particle inspection tested to ensure it’s free from imperfections that can lead to premature failures. Properly staked gas key prevents gas leakage that can lead to short stroking. M16-style carrier on the black phosphate model has full-length shroud for tripping auto sear, so this carrier may be installed on full-auto law enforcement and military rifles. Mfg: Daniel Defense SPECS: Steel, black parkerized finish.
  4. Bolt Carrier Key
    Item#:
    430-000-440  
    Our Price:
    $16.00
    Description:
    BOLT CARRIER KEY Mfg: High Standard
  5. M16 5.56 Bolt Carrier Group - M16 Bolt Carrier Group
    Item#:
    100-020-758  
    Our Price:
    $169.00
    Description:
    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 inside carrier. Machined to USGI specifications. This M16/M4 carrier includes the proper Mil-Spec gas key. Gas key is chrome lined and heat treated per GI specifications. Gas key is secured to carrier via USGI domestic mfg Grade 8 fasteners and properly staked per Mil-Specs. These properly hardened parts insure a strong staking and proper gas system functioning. The bolt assembly is machined from the correct Mil-Spec Carpenter No. 158® steel, shot peened for increased strength, includes tool steel machined extractor and Mfg: Bravo Company
  6. Ar-15 Stripped Bolt Carrier - Bolt Carrier
    Item#:
    231-000-077  
    Our Price:
    $57.99
    Description:
    AR-15 STRIPPED BOLT CARRIER Mfg: Dpms

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Bolt Action Ammo
  1. Cowboy Action Ammo 38 Special 158gr Lead Conical Nose - 38 Special 158gr Cnl 50/Box
    Item#:
    105-001-456  
    Our Price:
    $29.38
    Description:
    Black Hills 38 Special 158gr Lead Conical Nose Cowboy Action Ammunition. Being from Dakota Territory, it’s only fitting that Black Hills make ammunition for the Cowboy Action Shooter. Though being from Dakota Territory, they couldn’t just stop there. They involve the shooters. They ensure every load is authentic. To that end, Black Hills is proud to offer period correct ammunition fit for 1880 or tomorrow afternoon. Mfg: Black Hills Ammunition
  2. Cowboy Action Ammo 357 Magnum 158gr Lead Conical Nose - 357 Magnum 158gr Cnl 500/Case
    Item#:
    105-001-459  
    Our Price:
    $286.88
    Description:
    Black Hills 357 Magnum 158gr Lead Conical Nose Cowboy Action Ammunition. Being from Dakota Territory, it’s only fitting that Black Hills make ammunition for the Cowboy Action Shooter. Though being from Dakota Territory, they couldn’t just stop there. They involve the shooters. They ensure every load is authentic. To that end, Black Hills is proud to offer period correct ammunition fit for 1880 or tomorrow afternoon. Mfg: Black Hills Ammunition
  3. Cowboy Action Ammo 357 Magnum 158gr Lead Conical Nose - 357 Magnum 158gr Cnl 50/Box
    Item#:
    105-001-458  
    Our Price:
    $29.38
    Description:
    Black Hills 357 Magnum 158gr Lead Conical Nose Cowboy Action Ammunition. Being from Dakota Territory, it’s only fitting that Black Hills make ammunition for the Cowboy Action Shooter. Though being from Dakota Territory, they couldn’t just stop there. They involve the shooters. They ensure every load is authentic. To that end, Black Hills is proud to offer period correct ammunition fit for 1880 or tomorrow afternoon. Mfg: Black Hills Ammunition
  4. Steel Match Ammo 9mm Luger 125gr Hap - 9mm Luger 125gr Steel Case Hap 50/Box
    Item#:
    749-016-757  
    Our Price:
    $20.49
    Description:
    Featuring Hornady HAP (Hornady Action Pistol) handgun bullets, Steel Match 9mm Luger ammunition is loaded at the Hornady factory with optimized propellant for each load that provides consistency and the highest levels of accuracy. Utilizing coated steel cartridge cases, and non-corrosive berdan primers, Steel Match ammunition delivers Hornady quality and performance, but with an economical price (saves as much as 40% when compared to brass case match ammo).   Steel Match 40 S&W, 45 Auto and 308 Win loads all meet IDPA/ IPSC/USPSA “Major” power factor performance criteria, but are kept to moderate velocities to deliver only mild recoil for reduced muzzle jump and Mfg: Hornady
  5. Action Match Ammo 9mm Luger 115gr Jhp - 9mm Luger 115gr Jacketed Hollow Point 50/Box
    Item#:
    749-011-363  
    Our Price:
    $26.75
    Description:
    9MM ACTION MATCH 115GR JHP Purpose built to win the steel challenge & NRA Action Pistol/Bianchi Cup Loaded w/ premium VihtaVouri powder, Staline brass, 115 gr match hollow point, & USA made primers Mfg: Asym Precision Ammunition
  6. Cowboy Action Ammo 44-40 Winchester 225gr Lfn - 44-40 Winchester 225gr Lead Flat Nose 50/Box
    Item#:
    105-053-158  
    Our Price:
    $40.49
    Description:
    There’s a new sheriff in town! Part of the allure of Cowboy Action Shooting is the chance to step into the past... to experience life the way it used to be when two six-guns and a pair of quick hands were a cowboy’s best friends. Magtech “Old West” Cowboy Action Loads were developed specifically for people like you... Cowboy Action Shooting enthusiasts who know how the West was won and never miss a chance to prove it. “Old West” loads are more than just authentic, they PERFORM! These flat-nose bullets deliver reliable knockdown power that puts steel targets down on the first shot. Superior components and construction assure trouble-free performance Mfg: Magtech Ammunition

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Looking to buy Piston Bolt Carrier? You'll find the best selection and prices everyday at Brownells.com. Our selection of 184 Piston Bolt Carrier and Gas Piston Bolt Carrier represents the best of the best, on sale at prices from $0.99 to $799.00. As the number one online retailer of gun parts and gunsmith tools we are able to provide excellent customer service, great prices, and top quality merchandise, every day. We know you'll find our Piston Bolt Carrier to be everything you expect, so we're proud to offer a 100% satisfaction guarantee. If you're not completely satisfied with your purchase, we'll make it right; whatever it takes. So check out our complete selection of Piston Bolt Carrier and place your order online or by calling us toll free at 1-800-741-0015. As always, we're here to help meet all of your needs for gun parts and gunsmith tools, so if you don't find what you're looking for online, drop us a line and let us know.