Sunday, March 7, 2010

Springfield Mil-Spec Full Size 1911 : Round 2

Thanks to a friend of mine, we did some mods to the stock Springfield Mil-Spec 1911. The pistol only had roughly 75 rounds through it, thus far. But I wanted a few things changed. Early last week, parts were ordered and arrived. Saturday was gun mod day :-D.

Parts ordered:
  1. Flat trigger by 10-8
  2. Stainless steel rebuild kit by Ed Brown
  3. Drop-in barrel bushing by Ed Brown
  4. Stainless steel ambi thumb safety by Kimber

Before any work was done:












After many hours of filing:














The pistol was completely stripped down and was given a once over. Mods were done to the following parts/area:

  1. Tuned sear and hammer. Now it has a solid lock and crisp break on the trigger.
  2. Tuned trigger and trigger tunnel and eliminated the sloppy play of the trigger in the frame.
  3. Switched to a flat mainspring housing. Along with this, we replaced it with a lighter 19# mainspring. Also removed the Integral Locking System (aka ILS).
  4. Polished the stainless steel ambi thumb safety to match the finish of the slide and frame.
  5. Flushed the slide lock pin to the frame.
  6. Cut one coil from the plunger spring to reduce thumb safety pressure.

Already the pistol feels so much better. The new bushing took a lot of play out of the barrel and frame contact area. This should help with tighter grouping. And the trigger pull is now tuned to a 4# pull. And the flat mainspring housing has improve my grip and aim to quickly be on target.

I can't wait to take this puppy out to the range and see the difference. Will post my range finding.


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