For sale is a Kies Firearms adjustable clamp-on AR-15 gas block. I installed it and went to the range once. It functions just great but I'm selling it as I need one that's adjustable from the front. My handguard makes it too difficult to adjust from the side. It's like new. It fits .750 diameter barrels. For more info about it see this link:
http://www.joeboboutfitters.com/Kie..._Gas_Block_p/kies-adjgasblockclampon.htm

I'm asking $40 shipped to the lower 48. PM me with questions.

This would be great on an AR pistol build.

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Still available....

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$36 shipped? That's as low as I can go.

SOLD!....