Heatsink .650, long 18 inch black


The JP Heat Sink attaches to any new generation JP medium-contour barrel between the gas block and receiver resulting in a 700% increase in surface area under the hand guard. Tests show that most heat resulting from sustained fire is developed in a 2- to 3-inch area in front of the chamber causing throat erosion and reduced accuracy over time, not to mention the problem of heat buildup in the hand guard itself that makes handling of the rifle difficult or impossible.

The JP Heat Sink far exceeds traditional fluting for transferring heat from the barrel. It is intended for applications where sustained fire with excessive heat buildup is a problem, such as varmint rifles under hours of constant use. Our Heat Sink is an anodized, deep-finned 6061 extruded 2-piece sleeve, which attaches to any .650" or .750" outside diameter barrel. Fluting a barrel without subsequent stress relief can be detrimental to accuracy. The JP Heat Sink not only drastically improves cooling but also maintains a more uniform barrel temperature under sustained fire. Heat sinks are available in black, red, blue or silver on the .650" contour and black, red and silver on the .750" contour, giving a dynamic appearance when installed under a JP high-grade hand guard. This part fits any of our current production JP Supermatch medium-contour barrels and can also be used on any barrel recontoured to .650" or .750" under the hand guard.

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