Swiss K-31 Schmidt-Rubin  Installation Instructions

1. Make sure firearm is unloaded and in safe operating condition.  Do NOT install this trigger if Safety, Sear or Cocking piece worn or damaged.
    

2. Remove action Screws & barrel Bands, then Remove barreled Action from Stock.
    

3. Release sear spring  and swing Sear down to clear action Slot.  Sear & trigger come out to the left.
    

4. Remove  trigger PIN and replace with Huber  trigger and re-pin  to sear.  Reinstall SEAR & Trigger, install spring key clip on sear pin  and reset spring on clip.
    

5. With bolt closed, adjust creep screw (1) up to release point AND back off  ¼-½ turn.  For more creep  – back off a little more.  Minimum safe sear engagement is .015in. or more!  Ball adjustment is base set for  clearance of trigger back.
    

6. With bolt closed, adjust screws to fine tune for function or personal preference.  Release point is where trigger will fire the gun.
    

7. Reassemble  barreled action to stock, screws & bbl bands. 
    

8. Cycle firearm for function and fine tune for desired feel. Drop Test!
    

9. Enjoy shooting Mil-Surp rifles with your new HUBER CONCEPTS precision anti-friction ball trigger.

 SAFE FIREARMS HANDLING RULES

1.        Treat every firearm as if it were loaded.

2.        Control the muzzle.

3.        Know your target and beyond.

4.        Keep finger away from trigger until ready to fire. 
 

To see an installation video of a Mosin Nagant series trigger being installed click the Load Movie link below and a new window will open. Please be patient as the file size is quite large.

Installation Instructions for: