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Bighorn Arms

ORIGIN MEDIUM ACTION

ABOUT THIS ACTION

The Origin Medium Action comes with:

  • Floating bolt head
  • Interchangeable bolt head so you can run multiple calibers in one action
  • Pinned recoil lug
  • Controlled round feed
  • Mechanical ejector
  • Adjustable firing pin protrusion
  • Machined from 416 stainless
  • Nitride finish
  • 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 M5 DBM, Hawkins Precision M5 Oberndorf, or Hawkins Hunter DBM
  • Accepts Savage small shank barrels (1-1/16″ x 20 TPI) or our shouldered prefit barrels

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

Cost: $1000.00

Action Configuration Options: 

  • Right Bolt - Right Port
    • REM 700 Feed Rails
      • Compatible AICS detachable box magazine options
        • MDT XM AICS magazines, max Coal 3.255"
      • Compatible Hinged floor plate option
        • Wyatt's short action mid length kit, max COAL 3.235"
      • Bottom Metal
        • Hawkins Hunter DBM, max COAL 3.230"
        • Hawkins Precision M5 Oberndorf- COAL 3.255"
        • Hawkins M5 DBM- COAL 3.230"
    • Trim Tang
    • Nitride Finish
    • ***NOTE***
      • This action is also available in Left Bolt - Left Port
      • This action is also available in a beadblast finish

Bolt Head Options:
***NOTE***  Extra bolt heads are available for purchase: $125.00 each

  • .378" (223)
  • Valkyrie/SPC
  • PPC/ARC
  • .473" (308)
  • .532" (Magnum)

Rail Options:

  • 20 MOA

Bolt Knob Options: (shown left to right)
***NOTE***  Extra bolt knobs are available for purchase: $55.00 each

  1. Competition
  2. Tactical
  3. Helical Diamond
  4. Teardrop
  5. Spiral Extended
  6. Spiral
  7. Diamond