upper

Rifles

Addax Tactical Gas Piston AR-15 Upper
July 20, 2009December 21, 2024
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There has been much talk about improving the AR-15/M-16 with a gas piston system rather than the direct gas impingement system in use since the 60’s. Companies like the Ruger have attempted to capitalize on this trend by producing gas piston rifles such as the SR556. If you already own an AR or two, you…

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Rifles

Smith and Wesson M&P15R: 5.45×39 Rifle and Upper
June 5, 2008June 1, 2025
4 Comments

The new Smith and Wesson M&P15R is a rifle chambered in 5.45×39. S&W developed this new AR variant due to the rising costs of .223/5.56 NATO ammunition. The 5.45×39 cartridge was developed for the AK-74 rifle in the early 1970s. Few guns in made the United States are chambered for it, and consequently, surplus ammo is comparatively…

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