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What size action is my rifle?

Popular Short Action (by caliber order)

(All figures are exact numbers from the manufacturers. Please use these numbers and the popular calibers below, for help in determining your action)

By Manufacturer

  • In Remington guns, short actions have a distance between receiver screws of 6.5”
  • In Winchester guns, short actions have a distance between receiver screws of 7.031”
  • In Savage guns, short actions have a distance between receiver screws of 4.275”
  • *308 Winchester is the parent case (origin) for this cartridge
  • ^30-06 Springfield is the parent case for this cartridge

By Caliber

  • 17 Remington
  • 204 Ruger
  • 20 PPC
  • 22 Hornet
  • 218 Bee
  • 221 Remington Fireball
  • 222 Remington
  • 223 Remington
  • 222 Remington Magnum
  • 22 PPC
  • 219 Zipper
  • 22 Bench Rest (BR)
  • 224 Weatherby Magnum
  • 22-250 Remington
  • 220 Swift
  • 6mm PPC
  • 6mm BR
  • 243 Winchester *308 Winchester is the parent case (origin) for this cartridge
  • 6mm Remington
  • 6mm-284 Winchester
  • 250 Savage
  • 260 Remington *308 Winchester is the parent case (origin) for this cartridge
  • 6.8 Remington SPC
  • 270 Winchester Short Magnum (WSM)
  • 7mm-08*308 Winchester is the parent case (origin) for this cartridge
  • 7mm Remington Short Action Ultra Magnum (SAUM)
  • 30 M1 Carbine
  • 30 BR
  • 30-30 Winchester
  • 300 Remington SAUM
  • 300 WSM
  • 308 Winchester ^30-06 Springfield is the parent case for this cartridge"
  • 32 Winchester Special
  • 325 WSM
  • 338 Federal
  • 35 Remington
  • 44-40 Winchester

Popular Long Action (by caliber order)

(All figures are exact numbers from the manufacturers. Please use these numbers and the popular calibers below, for help in determining your action)

By Manufacturer

  • In Remington guns, long actions have a distance between receiver screws of 7.350”
  • Winchester guns, long actions have a distance between receiver screws of 7.570”
  • Savage guns, long actions have a distance between receiver screws of 5.062”
  • ^30-06 Springfield is the parent case (origin) for this cartridge

By Caliber

  • 240 Weatherby Magnum
  • 6mm-284 Winchester
  • 257 Roberts
  • 25-06 Remingtona ^30-06 Springfield is the parent case (origin) for this cartridge
  • 6.5 x 55 Swedish Mauser
  • 6.5-06 A-Square
  • 264 Winchester Magnum
  • 270 Winchester ^30-06 Springfield is the parent case (origin) for this cartridge
  • 280 Remington ^30-06 Springfield is the parent case (origin) for this cartridge
  • 30-40 Krag
  • 30-06 Springfield
  • 303 British
  • 8x57 Mauser
  • 35 Whelen ^30-06 Springfield is the parent case (origin) for this cartridge
  • 350 Remington Magnum
  • 45-70 Government

Winchester Super Short Magnum (WSSM) Action

By Caliber

  • 223 WSSM
  • WSSM
  • WSSM

Popular Magnum Action (by distance between receiver screws)

Calibers are sometimes hard to distinguish by action, so please use the following measurements for action identification:

  • Remington: Any action longer than 7.350”
  • Winchester: Any action longer than 7.570”

Weatherby Magnum Action

By Caliber

  • 257 Weatherby Magnum
  • 270 Weatherby Magnum
  • 300 Winchester Magnum
  • 300 Weatherby Magnum
  • 30-378 Weatherby Magnum
  • 338-378 Weatherby Magnum
  • 7mm Shooting Times Western (STW)
  • 7mm Remington Magnum
  • 7mm Weatherby Magnum
  • 340 Weatherby Magnum