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Best left to a gunsmith.
S&W will send you a manual for free or you can download one at their website.
You can request a manual for free at the S&W website.
You can download or request a manual via mail from the S&W web site
Best left to a gunsmith. S&W will send you a owner's manual for free.
Recommend you ask a gunsmith for help.
Best left to a qualified gunsmith
Best left to a gunmsith
You can request an owner's manual for free at the S&W web site.
You can get an owner's manual for free at the S&W website.
Go to S&W's web site. You can download a manual.