If you lose the key to your trigger lock take a hand drill and a ¼ inch drill bit and carefully and slowly drill a hole about ¼ to ½ inch deep where you usually put the key in. CAREFULLY AND SLOWLY! The drill will generally turn the lock open after the last pin is drilled away. Go into the kitchen and dump the lock in the trashcan. Then go to Newfoundland Speed and Sport, “Canadian Tire” and buy a new lock for $9.95.
If you misplace the bolt for your gun and finally come to the conclusion that it aint gonna ever get found. Bite the neck off a bottle of rum, rye or vodka and start calling every gunsmith and parts place you can find. If you find a used bolt, find some way to come up with $250 to $400 for the bolt and fitting and send the gun and bolt to a gunplumber to be fitted.
The cheep way out is to send the gun to Ruger. For what ever reason Ruger parts are some of the least expensive in the gun industry. I would phone or email Ruger and get a quote. It would probably be simplest to let a dealer with an import / export licence mule the gun down to Ruger and back for you. If you happen to like paperwork and red tape you can skip the dealer and probably save yourself a hundred bux and do it yourself. Prepare for a learning curve and make certain you insure the gun for double what its worth. Rod