By installing this part, you agree to take full responsibility for any and all legal, health and warranty consequences that may be incurred, it is highly recommended to have all work carried out by a competent gunsmith.
- Clear your rifle, ensure the chamber, magazine and bolt face is free of all ammunition Failure to do so may result in Death or serious injury.
- Prepare your work area, clean and tidy an appropriate work surface to avoid loss or damage of small parts.
- Gather required tooling, the required tooling will vary from firearm to firearm and your personal preference however you may require.
- Bits and bit driver, suitable for removing your action screws.
- Pin punch, sized appropriately for removing sear and trigger pins as required.
- Small common screw driver.
- Needle nose pliers.
- Circlip pliers.
- Allen keys.
- Safety Glasses.
- Loctite 222, or nail polish maybe required for some firearms.
Note. During this procedure take care not to lose any small parts, pins bolts screws etc. Place them in a suitable container such as a zip-lock bag or parts bowl.
- Remove the bolt and magazine from your rifle, if fitted and set them aside.
- Remove you barrel and action from the stock, by unfastening the action screws and set your stock aside.
- Remove your trigger mechanism from the barreled action, by unfastening the Allen bolt and set the barreled action aside Note you may need to tighten the trigger pull adjustment set screw slightly to provide clearance so bolt removal is possible.
- Remove trigger pull adjustment set screw (A), plunger and stock trigger return spring, Note the orientation.
- Replace trigger spring, with HVHA spring provided and assemble with the plunger in the correct orientation as shown in the picture below.
- Tighten the trigger adjustment screw, just enough to allow the trigger mechanism attachment bolt to be reinstalled.
- Install trigger Mechanism to the action.
- Carry out trigger adjustment, to attain desired trigger pull weight.
- Assemble in reverse order, it is a good idea to use thread locker such as 222 Loctite on the set screw. Though I prefer to use Nail polish instead as it provides ample locking and is easy to remove with acetone in the future if required.
- The last step is a function test, to make sure your rifle is in good working order. Place rifle on safe, pull the trigger. Then place on fire and feel the improvement.
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