DoubleTap Ammunition offers a standard-pressure .45 Colt load topped with a 255-grain semi-wadcutter listed at 920 f.p.s. and a 360-grain hard-cast solid .45 Colt +P launching at about 1,200 f.p.s.

The .45 Colt retains the bullet diameter of its .44 Colt predecessor at .452" - .454" but kicks the weight of the bullet up to 255 grains.