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7.62x40 WT Project

Project Goal
Develop an inherently accurate and low recoil cartridge in the immensely popular .30 caliber that has more terminal effectiveness than the 5.56 while utilizing as many standard AR platform 5.56/.223 components as possible.

Cartridge Application
Designed for tactical/defense applications as well as hunting for medium sized game such as deer and feral hogs. The 7.62x40 WT (Wilson Tactical) has very useful tactical applications with soft point and hollow point bullets providing reliable terminal performance on soft tissue while the Barnes TTSX will easily penetrate tough barriers. For hunting the 7.62x40 WT vastly out performs the 5.56 and is on par with the 6.8SPC at ranges out to 175-200 yards. The VERY mild recoil of the 7.62x40 WT also makes it ideal for female and younger shooters as well as anyone thats recoil sensitive.

Cartridge Specifics
The 7.62x40 WT is based on the inexpensive and readily available 5.56x45 Nato cartridge case. The 5.56 case is shortened to 1.560 and then re-sized (single operation) in a standard 7.62x40 WT sizing die which results in a formed 7.62x40 WT case with a finished overall case length of 1.565. The cartridge is designed for 110-150gr .308 diameter bullets loaded to supersonic velocities, but if chambered in a 1-8 twist barrel is also suitable for heavy bullet subsonic use also.

7.62x40 WT Barnes Load Data  NOTE: All loads are within the SAAMI maximum of 55,000 of the 5.56 NATO

Wilson Combat has done extensive testing of 7.62x40 WT loads and recommends Accurate 1680 as the best all around powder for the cartridge. Accurate 1680 loads produce top velocity and excellent accuracy with very safe pressures.