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Carrier: Machined from 8620 steel & QPQ nitride/melonite treated.
Enhanced carrier geometry with M16 profile.
The QPQ nitride/melonite treatment hardends the surface to 70 RC and reduces friction, 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.
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.

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Comments (3)

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Or you could save 30 bucks...

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Or you could get a nitride Toolcraft for +/- 70 bucks...

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These are well made BCGs. So is Toolcraft. I've used both. In my experience the enhanced/balanced carrier does actually minimize carrier tilt and makes for smooth cycling. I would have no problems using Alpha BCGs again.

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