If you don't have an owner's manual, find a gunsmith.
Ask a gunsmith for help
Best left to a gunsmith
25
Follow instructions in owner's manual
25-50 USD
25-65 USD
$25-$50. Sorry- very low quality firearms.
Best thing to do is find a gunsmith
25-75 usd
Best thing to do is find a gunsmith
Lorcin
Try e-gunparts.com for a schemetic