AR-15 Bolt Carrier Group ?5.56 NATO/.300 Blackout ?Black Nitride bcg
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Gannon AR-15 5.56 NATO/.300 Blackout Black Nitride Bolt Carrier Group

SKU:
GNBCG556
$114.99 $79.99
Condition:
New
Current Stock:
2
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Description

Gannon AR-15 5.56 NATO/.300 Blackout Nitride Bolt Carrier Group – 

 

 

 

The Gannon AR-15 Nitride BCG is built for shooters who demand reliability, strength, and long-lasting performance. Designed to perform flawlessly in both 5.56 NATO and .300 Blackout platforms, this bolt carrier group combines premium materials, expert machining, and a black salt bath nitride finish for unmatched durability.

✅ Features:

  • ✅ Black Salt Bath Nitride Finish – Provides superior hardness, wear resistance, and lubricity

  • ✅ MPI Inspected Bolt – Ensures structural integrity and long-term reliability

  • ✅ Properly Staked Grade 8 Gas Key Screws – Prevents gas leakage and enhances dependability

  • ✅ Lifetime Warranty – Confidence backed by a guarantee that lasts as long as your rifle

✅ Benefits:

  • ✅ Durability: The nitride finish delivers exceptional surface hardness, extending the life of your BCG

  • ✅ Ease of Maintenance: Smooth surface reduces fouling buildup, requiring less cleaning and lubrication

  • ✅ Reliability: Precision engineering ensures consistent cycling and flawless operation

  • ✅ Peace of Mind: Built to last a lifetime—and guaranteed to do so

✅ Specifications:

  • Caliber: .223 / 5.56 / .300 Blackout

  • Finish Type: Black Salt Bath Nitride

  • Carrier Type: M16 Auto (Ideal for AR-15 platforms)

  • Carrier Material: 8620 Gun Steel

  • Gas Key Material: 4130 Steel

  • Gas Key Screws: Grade 8 (properly staked)

  • Bolt Material: 9310 Steel, MPI Tested, Shot Peened

  • Extractor Material: 4140 Steel

  • Cam Pin Material: 8620 Steel

  • Firing Pin Material: 4140 Steel, Chrome Plated

  • O-Ring & Gas Rings: Mil-Spec

  • Weight: 11.5 oz.

  • Origin: Made in the USA

✅ Why Choose Gannon?

Invest in a bolt carrier group engineered for precision, longevity, and dependable performance. Whether you’re building a new rifle or upgrading your current setup, the Gannon Nitride BCG ensures you’ll have a reliable heart to your AR-15 for years to come.