Daniel Defense Complete 5.56mm NATO Bolt Carrier Group is a drop-in AR-15 pattern replacement designed to restore smooth cycling, reliable feeding, and consistent performance. Built for hardened durability, it brings together the bolt and carrier assembly you need for a complete rebuild or upgrade.

Key features

• Complete bolt carrier group assembly for AR-15 pattern rifles chambered in 5.56mm NATO
• Hardened steel bolt and carrier construction for durable service life
• Factory-style surface treatment for corrosion and wear resistance
• Designed to provide dependable cycling and function as part of a complete BCG setup

Upgrade or replace your AR-15 bolt carrier group with a Daniel Defense complete assembly built for dependable 5.56mm NATO operation.