Black River Tactical (BRT)

BRT Micro Pin Gas Block – .750″

Out of stock

Original price was: $59.95.Current price is: $49.02.

The MicroPin Gas Block is designed to fit under most available free float rails and fits all AR Family barrels with a .750″ nominal diameter gas block journal.

  • Material: Precision CNC machined from 4140 Chrome-Moly steel
  • Through hardened for maximum strength and toughness.
  • Finish: in Mil-spec Black Oxide
  • Measures 0.925” in length
  • Weight:y 1.33 oz.
  • Fits barrels with a .750″ nominal diameter gas block journal
  • Made in the USA

BRT M16 Chrome Bolt Carrier Group – 5.56/.223

Out of stock

Original price was: $209.00.Current price is: $184.39.

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.

BRT M4A1 Bolt Carrier Group – 5.56/.223

Out of stock

Original price was: $169.00.Current price is: $150.24.

Black River Tactical M4A1 BCG is a Full Auto Bolt Carrier Group made to current USGI M4A1 specifications.

  • Full Auto Bolt Carrier Group BCG for the AR Family of Weapons (AR-15, M16, M4)
  • Carpenter 158 bolt is Shot Peened, HP tested and MP inspected.
  • The USGI full auto bolt carrier is Hard Chrome lined inside and Manganese Phosphate coated outside.
  • The Mil-Spec gas key is chrome lined, secured with mil drawing heavy splined fasteners and properly staked to ensure reliable gas system performance.
  • Bolt is marked “MP”. Carrier is marked “BRT” with Logo on the ejection port side.
  • 100% made in USA to current USGI M4A1 specifications.