With him are the skeptical young Luke, who stands to inherit the house, the mysterious and clairvoyant Theodora and the insecure Eleanor, whose psychic abilities make her feel somehow attuned to whatever spirits inhabit the old mansion.
It's also – cheaper than .45 Colt or .44 Special to shoot, even the P ACP loads.
In short, outside of the really hot stuff…the only difference between .45 ACP and .45 Colt is case length, expense and a bit more chamber pressure in the shorter round.
That can make .45 ACP Revolvers ideal for people who want a large-bore revolver but don't necessarily want to deal with the muzzle flash and recoil of a large magnum.
Low-pressure, low-velocity rounds are popular for target and cowboy action shootings, but the round can be loaded to .44 Magnum performance in terms of velocity and muzzle energy, and with less chamber pressure to boot. 45 Colt ammo loads are closer to the 800 to 900 feet per second velocity of plain jane .45 ACP hardball.
Up until boutique ammunition manufacturers started producing the uber-hot .45 Colt loadings, only handloaders were really aware of its capacity in that regard; even the defensive loadings were (and many still are) barely any different from .45 ACP P.