Bolts & Bolt Carrier Groups

The NiB-X .308 Bolt Carrier Group provides long life and easy cleaning in the harshest of environments. DPMS compatible.Features :Easy Cleaning and MaintenanceHeat TreatedReduced Fouling Adherence

High quality components and precise manufacturing make San Tan Tactical 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...

High quality components and precise manufacturing make Lantac 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...

This is not a hard use BCG. This is considered a consumable part, AR's 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...

Lantac's new 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...

This DPMS Style 308 BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground Bolt. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO process, unlike standard NiB coatings. This...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...

Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.Features :Machined from 8620 steelHeavy Phosphate CoatedChrome linedProperly staked gas keysMade in...