Black River Tactical MicroPin Low Profile Gas Block, .750″
The MicroPin Gas Block is designed to fit under most available free float rails and fits all AR Family barrels with a .750″ nominal diameter gas block journal.
All bores are machined to very tight Mil-Spec tolerances to ensure precise fits on both the barrel journal and gas tube. This maximizes gas flow and allows top gas system performance.
The Black River Tactical Pinnable Gas Block is designed to be easily pinned to the barrel in addition to set screw mounting, for a maintenance free, reliable solution.
It features a flat, center spotted face that allows for easy drilling and installation of the coil pin. To install, just secure the assembled barrel and gas block in a drill press vice and drill through, using the center spot as a guide.
The stainless-steel coil pin is then easily driven in and results in a permanent solid lock up. The block may also be used with solid dowel pins and taper pins.
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