BRT M16 Chrome Bolt Carrier Group – 5.56/.223

Original price was: $209.00.Current price is: $177.06.

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Product Description

This Chrome Full Auto Bolt Carrier Group BCG is for the AR Family of Weapons (AR15, M16, M4).


  • The Carpenter 158 bolt is Shot Peened, HP tested / MP inspected and Chrome plated for enhanced service life.
  • Bolt Carrier Material: Hard Chromed outside and inside.
  • The Mil-Spec gas key is full Chrome, secured with heavy splined fasteners (per mil-spec drawing), and properly staked to ensure reliable gas system performance.
  • Bolt is marked “MP”. Carrier is marked “BRT” with a Logo on the ejection port side.
  • 100% made in the USA to USGI M16 specifications.


Technical Information


5.56 NATO / .223 Remington

Firearm Compatibility


Carpenter 158

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit