Bolt Carrier Groups

Front Sight Kit Includes: Front sight post A2 - square Front sight spring Front sight detent

Firing pin retainer pin Material: Carbon Steel Heat Treat: HRC 45-50 Finish: Manganese Phosphate

This 6MM ARC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6MM ARC. All critical parts are coated with EXO Nickel Boron Technology...

Introducing true unparalleled innovation..   The Two-Piece Bolt Carrier Group.   No matter how hard we tried, we simply could not get the quality BCG we needed in our systems, so we not so simply...

LBE Unlimited Crush Washer - 5.56 ARCW-556 LBE Unlimited crush washer for 556 NATO chambered AR.

Bootleg, Four Position Adjustable Carrier, AR-10, Complete, Black Finish (No Bolt)  

The 2A Armament AR10 Full Mass Carrier (FMC) was designed and manufactured as a high-quality, full mass bolt carrier group for LR-.308 DPMS style rifles. We manufacture the carrier and bolt...

LanTac USA -  Bolt Carrier Group, Nickel Boron Coated, 308WIN E-BCG This DPMS Style 308 BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground Bolt. The entire carrier assembly...

TRIARC Systems Mil-Spec AR15 Bolt Carrier Group - 5.56 / 300 BLK - NP3 Coated What truly sets this BCG apart is its premium NP3 coating — a high-performance nickel/PTFE finish that delivers...

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The 2A Armament AR10 Titanium Regulated Bolt Carrier Group is an excellent option for running a large frame rifle with or without a suppressor all while saving an incredible amount of weight. With...