I have a P45

by CJM , Saturday, November 21, 2015, 15:09 (3229 days ago) @ Ray L.

mostly use 160 & 185 ammo to keep the recoil down. I have very large hands, and this is about the smallest pistol I can hold on to well.

All Kahr models use basically the same design - striker-fired semi-auto with a long, smooth but heavy pull just like a double action revolver. No safety lever, and like a double action revolver, no need for one.
Lots and lots of options which does cause some confusion, calibers include 380, 9mm, 40 S&W and 45 ACP, the 380's are on a smaller standard package (2.5" barrel and 3.9" total height) and only go up 1 size while the rest (3.5" barrel and 4.8" total height) also go one size bigger and one size smaller than standard.

Model letters decoded:
a "K" in the model number means a steel frame,
a "P" means a polymer frame.
The steel frames are heavier, and do help with recoil on the 40 and 45 caliber guns, but do drag on the holster belt more than the lighter polymer frames, which have steel insert's for the frame rails for reliability and long life.
a "T" means one more round in the magazine and a longer grip frame that is easier to hold, also get another 1/2 inch of barrel. At one point these were referred to as target models, but without adjustable sights I think they stopped doing that.
an "M" means one less round in the magazine and a shorter grip frame that I just can't grab effectively, and you lose a 1/4 inch of barrel.
a "C" means a pinned front sight instead of dovetailed, not "drift adjustable".
a "W" is their cost reduced series, rifled instead of polygonal barrel and MIM parts instead of machined from bar stock, roll marked instead of CNC engraved. Actually for a cast bullet shooter the "W" guns would be preferred with their rifled barrels, I think that MIM has proven to be just as durable as machined parts, but when used in triggers, hammers and sears the resulting trigger pull starts out very "gritty", most smooth out and some just don't.
Dove-tail sights are all "drift adjustable", so basically fixed. Models available with post & dot night sights.
Mostly you find guns with black frames and stainless finished slides. There are models with black slides, and now they are starting to use Cerakote for more color choice on the slides.