For a 1911, they were built, and designed for a military LRN. My 1911's, shoot them without fail time every time, all the time. My experience with SWC, are IMHO, better suited for wheel guns. Just from a feeding point of view.
I'm sure there are some that will shoot SWC in semi autos all day. But, the core design of a LRN suits a 1911 to a "T". But the plinking aspect vs. the "two legged" aspect is personal choice. The history has always been LRN.
Just my .02 cents, only worth .00001 cents after the election.
I own about 1750 rds. of .45 LRN and my S&W 1911, Kimber Ultra, and Springfield love them.
Great to know folks that can give you a deal on ammo. I think they may be more valuable over the next 4 years.