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Now to your question:
Compared to the 1911, there a very few mods you can do to your Kel-Tec. You may be able to upgrade the sights.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)