The SR3 Short Action comes with:

• Floating bolt head
• Interchangeable bolt head so you can run multiple calibers in one action
• Integrated recoil lug
• Controlled round feed
• Mechanical ejector
• Adjustable firing pin protrusion
• Machined from stainless steel
• Accepts Savage small shank barrels (1-1/16″ x 20 TPI) or our shouldered prefit barrels
• Medium actions will NOT work with standard Remington 700 short or long action stocks or chassis, you will need a medium length stock or chassis
• Medium actions will NOT work with Short or long action AICS magazines. You can use MDT XM mags.
• Medium actions will NOT work with Remington 700 short or long action BDL/hinged floor plate. You can only use the Wyatts Short action mid length kit
• Medium actions will NOT work with Remington 700 short or long action bottom metal.  You can use Hawkins Precision M5 Oberndorf, or Hawkins Hunter DBM

Along with picking your Zermatt Arms/Bighorn Arms action, you will need to choose which bolt head and bolt knob you would like for your action.