Can you supply the name of the gunsmith who performed the work on your gun? Since I live in the SW Florida area and generally know some of the so called gunsmiths during my tenure with law enforcement, I can probably ascertain if he or she is a fly by night so called gunsmith. When acquiring an experienced gunsmith, check out his FFL license, where he or she completed the certification and from what school or accredited Gunsmithing school. Also, check out some of his or her previous customers for recommendation of the work performed and to what degree of satisfaction was the job completed. Check out AGI's DVD armorer's course on that particular gun. They are well done and if you know the design, function and repair on any gun, you can ascertain the problem and correct it with confidence.

Nick

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NRA Instructor\GCA Gunsmith