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 …

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, …

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 …

Jan 26, 2025 · I have been told that it was rebuilt, although it has no Arsenal rebuild stamps and that it was probably done on a unit level. Be that as it may, I got to wondering if it still had an …

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 …

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 …

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 …

Jan 3, 2011 · My friend has a Para 14.45 LDA with the standard Para arched mainspring housing (black) and he wants me to locate a flat MSH for him. Will the standard Colt or generic 1911 …

Sep 24, 2021 · So I picked up a S&A arched Officer mainspring for my Fusion CCO and fitted the lugs so that it’ll slide into the frame, only to find out that the hole drilled into the mainspring …