4 days ago · The arched housing was a way to raise the bore axis relative to the hand without requiring a complete redesign of the pistol, and it proved sufficiently adequate that it was adopted. Avoid the …

Feb 25, 2023 · I installed an Ed Brown arched housing on a Colt '91, and the housing is JUST slightly too long. Generally, I like checkered housings, but I prefer smooth side borders, as on serrated …

Apr 23, 2025 · Does anyone else find it tricky switching between flat and arched mainspring housings? I've been shoot my SA Milspec with an arched MSH. Today I switched to my SR 1911 with a flat …

Dec 16, 2025 · With an Arched mainspring housing my front sight is up a bit, sorta like how a Glock points for me. It requires a tad of wrist adjustment to align the sights. Of all my 1911's, the most …

Jun 26, 2014 · Is the purpose of an arched mainspring housing solely to change the feel of the grip, and to help insure the grip safety is more easily disengaged or both? Or neither?

May 29, 2024 · I'm big-handed, and liked the feel of the arched mainspring housing, but after doing some experimenting and swapping back and forth at the range, found the flat mainspring housing …

Feb 18, 2010 · Arched or flat? If you plan to shoot your weapon from the draw, I would take the time to experiment with both to see which MS housing shape helps you to align the sights on target the best. …

Jan 1, 2021 · The arched housing was mean to help raise the muzzle in relation to the shooter's hand. The surface was also checkered since soldiers had also complained that the smooth housing of the …

Jan 4, 2002 · I like the arched better myself. I'm an advocate of point shooting in some situations and the arched mainspring housing points better. I'd really like to try Ed Brown's wedge design. Looks …

Apr 20, 2021 · The arched housing was spec’d because troops were shooting low. The arched housing rotates the grip frame upward. Riding the thumb safety usually works best with flat mainspring …