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Premium Nitride 5.56 Bolt Carrier Group

Premium Nitride 5.56 Bolt Carrier Group
Premium Nitride 5.56 Bolt Carrier Group Premium Nitride 5.56 Bolt Carrier Group
 
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SKU
MELBCGP
Quantity in stock
2 item(s) available
Weight
30.00 oz
Your price:
$115.00
Quantity (2 available)

Premium Nitride 5.56 Bolt Carrier Group

Features:

  • Carrier:  Machined from 8620 steel & QPQ nitride/melonite treated.
  • Improved carrier geometry with M16 profile.
  • The QPQ nitride/melonite treatment hardens the surface to 70 RC and reduces friction as well as adding corrosion resistance inside and out.
  • Bolt:  9310 & QPQ nitride/melonite treated with additional cryo freeze for extra strength.  Shot peened precision ground diameters.
  • Magnetic particle inspected and laser marked.
  • Extractors:  Aircraft quality alloy steel shot peened with crane extractor O ring installed.
  • Gas Key:  Machined from billet 4140 with grade fasteners and staked to mil spec.
  • Chrome plated firing pin per mil spec.
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