San Tan Tactical Enhanced Bolt Carrier Group 5.56 NATO – Black Nitride (STT-Enhanced BCG 5.56)

• Bolt carrier group designed for 556 NATO platforms supporting reliable semi automatic rifle operation
• Black nitride finish provides corrosion resistance and reduced friction during cycling operations
• Enhanced bolt carrier group construction supports consistent gas system function and smoother cycling performance
• Precision manufacturing ensures proper fitment within compatible upper receiver assemblies and components
• Matte black finish offers low reflectivity and uniform appearance across firearm internal components
• Bolt carrier group component intended for maintenance replacement or performance focused firearm upgrades

The San Tan Tactical Enhanced Bolt Carrier Group 5.56 is a bolt carrier group designed for cycling and locking operation in 5.56 NATO firearms.

The San Tan Tactical Enhanced Bolt Carrier Group 5.56 uses a black nitride finish and is categorized under bolts and bolt carrier groups for AR-platform assemblies. This bolt carrier group is used for chambering, firing cycle control, and extraction within compatible 5.56 NATO systems. It features a matte black surface treatment and is built as a complete carrier group assembly. In typical setups, the component interfaces with standard upper receivers and barrel extensions designed for 5.56 NATO. The product type bolt carrier group includes key functional elements required for gas-operated cycling, and the San Tan Tactical Enhanced Bolt Carrier Group 5.56 is intended for maintenance, replacement, or rifle build configurations where a 5.56 NATO bolt carrier group is specified.