Best depends on how much quality you want to pay for? For example some suggested ranges could be:
Mid-range price:
Ruger
Colt
Springfield Armory
Remington
High price range:
Kimber Super Match II
Smith & Wesson PC1911
Colt Special Combat Government
any 45 cal ammo will work in a 45 cal pistol
dissasemble pistol. check on line sites re: cleaning the 45 cal. pistol
How much is a old black powder only 45 cal long barrel pistol worth?
Dikar Spain-45 Cal black powder only
if a pistol, tnen the same way as the military 45 cal pistol
350.00 if in fair to good shape.
100-300 USD or so
20-10000 USD depending on specifics
It depends on what "best" means to you.
100-700 USD
They carry Sig Sauer p226s in .45 cal
10-45 USD or so