Wilson Combat TRBCA Bolt Carrier Assembly 5.56 NATO Full Auto

Description

The Wilson Combat TRBCA Bolt Carrier Assembly is a full-auto profile bolt carrier group intended for 5.56-class AR rifles. Precision machined from Carpenter 158 steel and shot peened for increased strength, the carrier offers a drop-in fit for quality 5.56 case-head based AR platforms. It ships complete with a tool-steel extractor and ejector, an appropriate extractor spring, and is randomly batch High Pressure Tested (HPT).

Key Specifications

• Designed as a drop-in fit for any quality 5.56 case head based AR rifle.
• Compatible with .223 REM/5.56 NATO systems.
• Features a Full Auto bolt type.
• Finished in Black Parkerized.
• Constructed from Steel.
• Marketed as a Bolt Carrier Assembly and categorized as a Bolt Carrier Group.
• Precision machined from Carpenter 158.
• The carrier is shot peened to improve durability and strength.
• Includes a tool steel extractor and ejector, an appropriate extractor spring, and is randomly batch HPT (High Pressure Tested).

For builders and armorers specifying a full-auto profile carrier, the Wilson Combat TRBCA provides durable materials and straightforward, serviceable features intended to support reliable operation in 5.56 platforms, particularly in carbine-length gas systems, short-barrel or suppressed applications where the added carrier mass can influence cyclic characteristics.