Description
The 7mm Shooting Times Westerner, sometimes referred to as the 7mm STW began as a wildcat rifle cartridge developed by Layne Simpson in 1979. It is an 8mm Remington Magnum case that has been “necked down” by 1 mm to accept 7 mm bullets. This cartridge is named after the magazine Shooting Times where Layne Simpson is a regular contributor.
The 7mm STW was developed by Layne Simpson, gun writer for the Shooting Times Westerner magazine. Based on the 8mm Remington magnum case necked down to 7mm, Simpson’s goal was to drive 160 grain bullets at over 3200fps. In 1997 the 7mm STW was picked up by Remington who presented the first model 700 7mm STW to Simpson along with the first box of factory ammunition.
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