** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The gas cylinder on the M14 rifle, ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Brownells, one of the country’s ...

Addax Tactical's AR Gas Piston Upper, the ATAC-GPU (Advanced Tactical AR Carbine Gas Piston Upper), utilizes a specially designed, self regulating, long stroke piston system, for enhanced dwell time ...

Here’s What You Need To Remember: The PKM is sometimes described as “an AK flipped upside down and made in a different caliber,” which is not totally incorrect. Both weapons use the long-stroke gas ...

Even though my preference is a precharged pneumatic air rifle for hunting, I still have a thing for spring piston airguns. Springers are compelling to me because they are fully self-contained. I can ...

Piston ring grooves serve a larger purpose than simply supporting the rings. They impact combustion sealing, oil control, friction, and many more engine attributes. Wiseco is a world leader in piston ...

This video takes a closer look at the Manfrotto Nitrotech 612 tripod, featuring its innovative nitrogen gas piston counterbalance system. Built for professional filmmakers and content creators, the ...

Ford once sketched a road where an engine's pistons never saw oil and engines ran hotter on purpose. In a late‑1980s patent application filed and granted in Europe, the company described an "uncooled ...