Bolt Carrier Groups

Helical 1 Piece – Gas Ring .223/5.56

Replacement AR-15 Helical Gas Ring.

Bootleg Phos Bolt Completion Kit

Whether youre looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality today!Features :Fits with Bootleg adjustable gas carrierContains...

Cmmg Bolt Assembly Ar15

High quality components and precise manufacturing make CMMG 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...

Fz M16/m4 Bcg No Hammer Blk Nit

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...

Odin 223 Nitride Bcg Black

Bolt Carrier Group fits AR15/M4 compatible style Rifles (i.e.) .223/5.56mm" .300 Blackout.Features :Mil-Spec dimensionsBolt Carrier Group Material: Case Hardened 8620Bolt Material: Case Hardened 9310 SteelFinish: All Bolt components - Black NitrideMPI:...

Bootleg Phos Bolt Completion Kit 308

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

Bootleg 5.56 Nitride Bcg Complete

Machined from 4140" Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, Full Auto Rated.Features :Nitride CoatingMachined from 4140Full Auto Rated

TNTE M16 9310 Bolt Carrier Group Assembly .223/5.56

Carrier made with 8620 Steel and bolt made from 9310 Vac-Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. - 9310 Steel Bolt  - Shot Peened  - MPI (Magnetic...

TNTE M16 9310 Bolt Carrier Group Nitride .223/5.56

Carrier made with 8620 Steel and bolt made from 9310 Vac-Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. - 9310 Steel Bolt  - Shot Peened  - MPI (Magnetic...

Spike's M16 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...

TNTE M16 C158 Bolt Carrier Group Assembly .223/5.56

Carrier made with 8620 Steel and bolt made from Carpenter 158 Steel which is USGI Spec. - Carpenter 158 Steel Bolt   - Shot Peened   - MPI (Magnetic Particle Inspected)   - HPT (High Pressure Tested)   - Grade 8 Hardened...

5.56 M16 Nickel Boron Bolt Carrier Group

This Bolt carrier group will hold up in the harshest conditions and outlast and compete with the best BCG's on the market. These BCG's have been Magnetic Particle Inspected (MPI) but are not marked - NiB M16 8620 steel Carrier - NiB C158 Steel Bolt -...