There are so many good non +P loads in 45 acp that the slight velocity gain weighed against the slower recovery time make +P loads not necessary IMO. HSTs, Gold Dots, Hydro Shoks and PDX1s to name a few all have a great track record even out of short barrels. Go with what you're comfortable with. The only +P load that I do like in this caliber are Corbon DPXs.