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Lantac .308/7.62 M-SPEC AR-308 Bolt Carrier Group - Black Nitride

Manufactured by Lantac USA
Manufactured by Lantac USA
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The Lantac M-SPEC BCG is ideal for shooters who want to add a quality assembly to their next build. The bolt carrier group is constructed from high-quality 8620 steel and finished with black nitride for optimal durability and strength. This bolt carrier is precision machined to Mil-Spec dimensions and tolerances for optimal fit and performance. The Lantac carrier is case hardened and hard turned/ground so that its internal dimension are precisely military specifications. Additionally, the BCG is QPQ Nitrided for unrivaled corrosion resistance, durability and performance. The bolt in the Lantac M-SPEC is constructed from Carpenter 158, shot peened and hard turned as per the military specifications. This BCG boasts a Lantac CP-R360 domed head cam pin, precision machined from 17-4PH stainless steel, hand polished and hardened to reduce friction and wear within the upper receiver. The M-SPEC® line of products are ideal for budget builds where quality and reliability are still paramount. The Lantac M-SPEC+ BCG is a full auto style with increased mass and offers years of service life and unrivaled durability.  

  • Manufactured by Lantac
  • Optimized for 7.62x51mm/.308WIN
  • 8620 steel carrier
  • MPI Carpenter 158 bolt
  • QPQ nitride finish
  • CP-R360 domed cam pin
  • Lifetime warranty

Lantac USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more.
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Bolt FinishBlack Nitride
Bolt MaterialCarpenter 158 Steel
BrandLantac USA
Caliber Gauge.308 Win
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 go to www.P65Warnings.ca.gov.

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