Guntec USA AR .308 Nitride Skeletonized Low Mass Bolt Carrier Group BCG Tin GT-BCG-308-LM-TIN

J P Enterprises 308 Ar Low Mass Bolt Carrier Group - Jpbc-4ba Low-Mass Bolt/Carrier

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... ... more

Wilson Combat Ar308 Low Mass Bolt Carrier Group Nickel Boron - Ar 308 Low Mass Bcg Nickel Boron

The 8620 hardened low-mass steel carrier is smooth. This assembly includes a properly staked gas key for a lifetime of service in your next custom build. NB (Nickel Boron) plated for easy clean up and corrosion protection Bolt material is aerospace... ... more

J P Enterprises Ar .308 Low Mass Operating System Complete Carrier Group - Lmos .308 Enhanced Bcg Qp

A low mass carrier provides the most significant improvement to felt recoil after the addition of a compensator. JP's LMOS carriers remove much of the reciprocating mass out of the rifle's cycling. This translates into less felt recoil and less... ... more

Guntec USA AR .308 Cal Bolt Carrier Group BCG MIL-SPEC Rainbow GT-BCG-308-RPVD

Guntec USA AR .308 Cal Bolt Carrier Group BCG MIL-SPEC Rainbow GT-BCG-308-RPVD. The goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR .308 Cal Bolt Carrier Group (BCG) MIL-SPEC: Manufacturer: Guntec USA... ... more

TRYBE Defense Low-Mass AR-15 5.56 Complete Bolt Carrier Group BCG Black Nitride BCG556-LM

TRYBE Defense Low-Mass AR-15 5.56 Complete Bolt Carrier Group BCG Black Nitride BCG556-LM. Feast your eyes on the TRYBE Defense AR-15 Bolt Carrier Group BCG complete with a stunning nitride finish. This fully assembled complete BCG from TRYBE Defense... ... more

Guntec USA Bolt Carrier Group BCG Ar10 .308 Mil-spec Nitride GT-BCG-308

Guntec USA Bolt Carrier Group BCG Ar10 .308 Mil-spec Nitride GT-BCG-308. These Bolt Carrier Groups from Guntec USA have a properly-tightened and gas key staked properly so users don't need to worry about damaging their BCG's finish. For even further... ... more

CMC Triggers Enhanced Bolt Carrier Group BCG AR .308 Mil-Spec Black Nitride 81633

CMC Triggers Enhanced Bolt Carrier Group BCG AR .308 Mil-Spec Black Nitride 81633. CMC Triggers manufactures the highest quality firearms components in the industry. Carrier Assembly: The flared rear of the enhanced bolt carrier is designed to reduce... ... more

Guntec USA Ar-15 Nitride Skeletonized Bolt Carrier Group BCG Tin Coated GT-BCG-LM-TIN

Guntec USA Ar-15 Nitride Skeletonized Bolt Carrier Group BCG Tin Coated GT-BCG-LM-TIN. Crafted to perfection with ultra precise CNC machines each bolt carrier group is machined with the same care and concern that is put into every part we sell. This... ... more

Tiger Rock Bolt Carrier Group BCG AR-10/LR-308 Black Nitride Black Small BCG-308

Tiger Rock Bolt Carrier Group BCG AR-10/LR-308 Black Nitride Black Small BCG-308. These Bolt Carrier Groups through the professional product professionals at Tiger Rock are fashioned by using heavy duty and efficient resources as a way to supply you... ... more

Tacfire .308 Bolt Carrier Group BCG QPQ Nitride Treated Steel Black BCG-308

Tacfire .308 Bolt Carrier Group BCG QPQ Nitride Treated Steel Black BCG-308. The Tacfire .308 Bolt Carrier Group BCG is built to provide dependable operation. These Bolt Carrier Groups are made for a DPMS LR 308 GEN. 1 pattered AR rifle. It is Serrated... ... more

Fostech AR-15 Complete Lite Bolt Carrier Group BCG Low Mass Nickel Boron Coating FT-BCG-NB-LOWMASS

Fostech AR-15 Complete Lite Bolt Carrier Group BCG Low Mass Nickel Boron Coating FT-BCG-NB-LOWMASS. These Bolt Carrier Groups by FosTech Outdoors are constructed out of nickel boron ensuring the best quality and performance possible for your rifle.... ... more

Guntec USA AR 9mm Bolt Carrier Group BCG Mil-Spec Nitride GT-BCG-9

Guntec USA AR 9mm Bolt Carrier Group BCG Mil-Spec Nitride GT-BCG-9. Just Released Compatible With Glock & Colt Style Lower Receivers. Specifications for Guntec USA AR 9mm Mil-Spec Nitride Bolt Carrier Group (BCG): Manufacturer: Guntec USA Color: Black... ... more

Guntec USA AR-15 Bolt Carrier Group Mil-Spec BCG Gloss Rainbow PVD Coated GT-BCG-RPVD

Guntec USA AR-15 Bolt Carrier Group Mil-Spec BCG Gloss Rainbow PVD Coated GT-BCG-RPVD. The Guntec USA BCG utilizes an oil key locking system that prevents any unintentional bolt body openings. This is the same type of locking system used on high stress... ... more

Guntec USA Bolt Carrier Group BCG Mil-spec Nitride GT-BCG

Guntec USA Bolt Carrier Group BCG Mil-spec Nitride GT-BCG. The Bolt Carrier Group is made up of an 8620 Steel Bolt Carrier and a 9310 Bolt that is magnetic particle inspected. The mechanical surface of the Bolt Carrier is Nitride treated giving it... ... more

RISE Armament RA-1010 Low-Mass Bolt Carrier Group BCG .223/5.56 AR-15 M16 Nickel Boron Silver RA-1010-NiB

RISE Armament RA-1010 Low-Mass Bolt Carrier Group BCG .223/5.56 AR-15 M16 Nickel Boron Silver RA-1010-NiB. The RA-1010 Low-Mass Bolt Carrier Group BCG packs exceptional performance in a lightweight package. It is designed to lower recoil with each shot... ... more

ODIN Works LOW Mass 223 Nitride Bolt Carrier Group BCG for AR15/M4 .223/5.56mm Steel Black NSN N ACC-223-BCG-LM

ODIN Works LOW Mass 223 Nitride Bolt Carrier Group BCG for AR15/M4 .223/5.56mm Steel Black NSN N ACC-223-BCG-LM. This BCG has been significantly lightened weighing in at only 9 ounces it dramatically changes the amount of mass reciprocating in your... ... more

Rise Armament RA-1010 Low-Mass Bolt Carrier Group BCG .223/5.56 AR-15 M16 Black Nitride RA-1010-BLK

Rise Armament RA-1010 Low-Mass Bolt Carrier Group BCG .223/5.56 AR-15 M16 Black Nitride RA-1010-BLK. The RA-1010 Low-Mass Bolt Carrier Group BCG packs exceptional performance in a lightweight package. It is designed to lower recoil with each shot by... ... more