AR-15 Bolt Carrier Groups

Browse our selection of custom AR-15 Bolt Carrier Groups, available with laser engraved designs.

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Frequently Asked Questions



What type of BCGs does NDZ offer?

NDZ carries complete AR-15 bolt carrier groups (BCGs), including enhanced bolt carriers, designed for mil-spec builds and serious use.

Are these BCGs drop-in ready?

Yes. NDZ BCGs are pre-assembled, headspace checked, and ready to install in any mil-spec AR-15 upper.

Why upgrade your BCG?

Your BCG is the heart of your AR. NDZ offers BCGs built for flawless cycling, extreme durability, and consistent performance under pressure.