JMB didn't know what he didn't know. He had no idea of how we would be shooting his pistol in the "future". There is no way he could have forseen this.Just out of curiosity, why do I see so many people using 18+ pound recoil springs? It seems the 16 pound spring has worked for over 100 years.
Adjusting the edge of the firing pin retainer to lower the mechanical advantage of the slide cocking the hammer is another way to reduce felt recoil.I use 16# recoil springs and 19# mainsprings. Recoil seems to be less, and the timer confirms it.
Why would you run that hot of a load under normal circumstances?I can't imagine running 255 grain swc at 900+ fps with a 16-18 lb main spring. 24-26 lbs keeps the pistol from blowing apart. With time people have learned to make tuning changes that suit their personel needs. 1911s are the most versatile pistol anyone can ask for.
First of all I am not normal. As a PP load it is devestating. The real use is bowling pin shoots. Power factor of about 230. Pins get real heavy at the shoots end. We use the beat up old pins for shoot offs and they need heavy loads to push them 3 feet off the table. I am usually in the shoot off so I have to be prepared for a heavy stubborn pin. I have come to love my 1911s as they get the job done.Why would you run that hot of a load under normal circumstances?