JP .308 Enhanced Gas Rings
As a replacement for traditional three-piece gas rings, the JPEGR-308 utilizes a one-piece design similar to the McFarland rings. Unlike the McFarland rings, though, our precision-ground gas rings are engineered to precisely suit DPMS-patterned carrier group components such as our own JP EnhancedBolt™.
After testing numerous minute grind callouts, the final JP Enhanced Gas Rings spec is the perfect balance of a solid gas seal with a very low-friction relationship between rings and bolt carrier. Reducing the resistance between these components directly results in an overall increase in the rifle's operational window while the edge of the rings utilizes the cycling action itself to scrape the walls of the carrier, helping shed fouling with every shot.
The JPEGR-308 is not compatible with large-frame Armalite bolt assemblies.
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