Description
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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, adding corrosion resistance inside and out. Bolt: 9310 & QPQ nitride/melonite treated. Shot peened precision ground diameters. Magnetic particle inspected and laser marked. Extractor machined from S7 tool steel. Crane extractor O ring to boost extraction clamping force. Gas key machined from billet 4140 with grade fasteners and staked to mil spec. Chrome plated firing pin per mil spec.
Specifications for Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group:
Color: Black
Fabric/Material: Steel
Caliber: 5.56x45mm NATO
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Compare prices for 859311007938 - Alpha Shooting Sports ALPHA Premium 5.56 V2 Bolt Carrier Group, QPQ Nitride/Melonite Plated, Black, MELBCGPv2 from all vendors
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$119.99
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$115.00
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$115.00
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