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AR15 Bolt Component Kit

Del-Ton

$16.98
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Bolt Component Kit

DPMS
This Bolt Component Kit includes an extractor and extractor spring, ejector roll and ejector pin, three ejector gas rings, and a extractor spring assembly.
$13.99
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Bolt Assembly

CMMG
This Mk9 bolt assembly is made of 8620 steel and has a Phosphate finish.
$178.99
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5.56 M16

CMMG
This item from CMMG is a black phosphate 4140 steel bolt carrier group that fits a M16 rifle.
$137.99
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Bolt Carrier Assembly

Wilson Combat
The Wilson Combat bolt is precision machined from Carpenter No. 158 steel, shot peened for increased strength and a includes a tool steel extractor and ejector, appropriate extractor spring, and is MPI (Magnetic Particle Inspected) and randomly batch HPT (High Pressure Tested). The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec. ompletely NP-3 plated, the semi-auto carrier includes the proper Mil-Spec gas key that is chrome lined and heat treated per GI specifications. It is secured to the carrier via Grade 8 fasteners and properly staked in Wilson's shop during final inspection. These precisely machined, finished and hardened parts will ensure long term proper gas system functioning and reliability.
$267.99
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Bolt Carrier Assembly

Wilson Combat
The Wilson Combat bolt is precision machined from Carpenter No. 158 steel, shot peened for increased strength and a includes a tool steel extractor and ejector, appropriate extractor spring, and is MPI (Magnetic Particle Inspected) and randomly batch HPT (High Pressure Tested). The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec. ompletely NP-3 plated, the semi-auto carrier includes the proper Mil-Spec gas key that is chrome lined and heat treated per GI specifications. It is secured to the carrier via Grade 8 fasteners and properly staked in Wilson's shop during final inspection. These precisely machined, finished and hardened parts will ensure long term proper gas system functioning and reliability.
$223.99
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Bolt Carrier Assembly

Wilson Combat
The Wilson Combat bolt is precision machined from Carpenter No. 158 steel, shot peened for increased strength and a includes a tool steel extractor and ejector, appropriate extractor spring, and is MPI (Magnetic Particle Inspected) and randomly batch HPT (High Pressure Tested). The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec. Parkerized externally and internally chrome lined the 8620 steel carrier includes a proper machined Mil-Spec gas key that is chrome lined, phosphated and heat treated per GI specifications. It is secured to the carrier via Grade 8 fasteners and properly staked in Wilson's shop during final inspection. These precisely machined, finished and hardened parts will ensure long term proper gas system functioning and reliability.
$153.99
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Bolt Carrier Group

USM4

$162.99
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Bolt Carrier Group

USM4

$178.99
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Bolt Carrier Group

USM4

$125.99
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Bolt Carrier Group

Spikes
This Spike's Tactical Bolt Carrier Group is the same Mil-Spec BCG that they sell but the only difference is that it's coated in Nickel Boron. It is High Pressure Tested and Magnetic Particle Inspected (HPT/MPI). Nickel Boron has proven itself to be the most durable finish on the market. It's much smoother than Hard Chrome, it's easier to clean, makes the rifle cycle smoother, it can be run almost lube free for thousands of rounds, and it will never chip, peal, or flake off. This BCG works in AR-15s. This BCG does NOT make your rifle fully-automatic. It is machined from 8620 Tool Steel (Carrier) and 158 Carpenter Steel (Bolt) and has a shrouded firing pin. It has Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key). The Forged Mil-Spec gas key is attached with Grade 8 hardware and properly staked. The bolt is shot peened. It has Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring and Tool Steel Extractor.
$169.99
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Bolt Carrier Group

Spikes
The Spike's Tactical HPT/MPI M16 Bolt Carrier Group for 223 Remington/5.56 NATO features a Mil-Spec 8620 tool steel M16 bolt carrier w/shrouded firing pin. The carrier has 5.3.1.2 MIL-STD-171 phosphate finish inside and out with 1.2.2.2 MIL-STD-171 hard chrome bore. It is laser-engraved with ST Spider logo which is visable through ejection port door opening. The carrier key is attached with Grade 8 hardware and properly staked per the Mil-Spec. The bolts are CNC machined from Carpenter No. 158 and have 5.3.1.2 MIL-STD-171 phosphate finish inside and out. All bolts are shot peened per the current Mil-Spec and individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI). The tool steel extractor is shot peened, has a 5.3.1.2 MIL-STD-171 phosphate finish, and is fitted with a Mil-Spec black extractor spring insert and Mil-Spec Viton o-ring. The Mil-Spec firing pin has a 1.2.2.2 MIL-STD-171 hard chrome finish. The Mil-Spec cam pin also has a 5.3.1.2 MIL-STD-171 phosphate finish. The Mil-Spec firing pin retaining pin has a 5.3.1.2 MIL-STD-171 phosphate finish.
$115.00
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Advanced Combat

LWRC
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 lack the two undercuts on either side of the extractor pocket that weaken traditional bolts. In addition, the extractor utilizes a dual-spring design that increases extraction force and triples the service life. Machined out of a super-alloy formulated to take extreme loads without failure, they are also shot-peened for extra durability. A nickel-boron coating increases strength and lowers the coefficient of friction. All of these factors and more make our Six8 ACB the best choice for any 6.8mm SPC firearm.
$117.99
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Evanced Bolt Carrier Group

Lantac
LANTAC E-BCG, Enhanced Bolt Carrier Group. M16 Full Auto Style for increased mass and lock time. The BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected.The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO process, unlike standard NiB coatings.This offers extreme lubricity with a friction coefficient of .02 and surface hardness of 82-85 Rockwell C. The carriers patent pending design features unique shrouded and forward facing gas ports that have also been re sized so that gas is vented differently to a standard carrier. This results in a system that runs flatter with a smoother energy pulse. In addition the system also runs cooler and cleaner, there is also less pressurization of the upper receiver when running a suppressed barrel. The flared boss at the tail of the carrier enhances the BCG's lock position within the upper and makes it more consistent, resulting in an accuracy improvement. All critical dimensions are hard turned / ground after heat treat and the bore of the carrier and gas key have been hard chrome lined for the best possible wear resistance. All E-BCG's feature the LANTAC CP-R360 patent pending domed cam pin that is machined from 17-4PH Stainless Steel and hardened to H900 condition (45RC approx). The ultra smooth head reduces wear within the upper receiver. The BCG's 11.7oz weight helps to increase lock time and smoother operation. Gas keys are properly staked at four points and only grade 8 fasteners are used in assembly.
$270.75
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Complete Bolt Carrier Group

DRD Tactical
This .308/7.62 complete bolt carrier group uses a DPMS pattern and is available with a Parkerized or Nickel Boron finish.
$199.99
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Complete Bolt Carrier Group

DRD Tactical

$261.99
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SPEC 15

Black Rain Ordnance
CALIBER: 223 FINISH: BLACK NITRIDE
$126.99