7mm_Shooting_Times_Westerner

7mm Shooting Times Westerner

7mm Shooting Times Westerner

Wildcat rifle cartridge

The 7mm Shooting Times Westerner, sometimes referred to as the 7mm STW, began as a wildcat rifle cartridge developed by Layne Simpson, Field Editor of Shooting Times, in 1979.[3] It is an 8mm Remington Magnum case that has been "necked down" (narrowing the case opening) by 1 mm to accept 7 mm (.284 in) bullets.[4]

Quick Facts Type, Place of origin ...

Background

The first major company to produce the 7mm STW was A-Square in 1994.[5] The 7mm STW graduated to commercial status when it was officially recognized by SAAMI in 1996.,[6] and the Remington Arms Company started to produce it in 1997,[7] with other ammunition manufacturers following. As of 2019, Federal Premium Ammunition is the only major manufacturer to still offer it on a regular basis, but smaller manufacturers also provide loaded ammunition.[8]

See also

References

  1. [1]
    Max chamber pressure - saami specs. Return to the index to LASC. (n.d.). Retrieved May 1, 2023, from http://www.lasc.us/SAAMIMaxPressure.htm
  2. [2]
    "7 mm STW data" from Accurate Powder
  3. [3]
    "7mm STW". www.chuckhawks.com.
  4. [4]
    "7mm Shooting Times Westerner". www.ballisticstudies.com.
  5. [5]
    Association, National Rifle. "An Official Journal Of The NRA | An Ode to the 7mm STW". An Official Journal Of The NRA.
  6. [6]
    http://www.chuckhawks.com/subscribers/rifle_cartridge_page/7mmSTW.htm
  7. [7]
    Simpson, Layne (January 4, 2011). "The 7mm STW Story". RifleShooter.
  8. [8]
    https://www.shootingtimes.com/editorial/the-7mm-stw-still-holding-its-own/331623
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