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Whatever happened to Arched mainspring housings

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PieterCoetzee

Master Class
The original 1911 had a flat mainspring housing. When the A1 upgrades were done, one of the improvements was the arched mainspring housing. Then sometime in the 90s (?) the cool guys switched over/back to flat. I know the original arched design was intended to correct low hits by changing the position in the shooters hand.

I like the arch for the same reason I like the feel of the Beretta M9. Beretta changed the grip on later M9s to a flat design. Its kinda like having a girlfriend with no "back"...
 
PieterCoetzee said:
The original 1911 had a flat mainspring housing. When the A1 upgrades were done, one of the improvements was the arched mainspring housing. Then sometime in the 90s (?) the cool guys switched over/back to flat. I know the original arched design was intended to correct low hits by changing the position in the shooters hand.

I like the arch for the same reason I like the feel of the Beretta M9. Beretta changed the grip on later M9s to a flat design. Its kinda like having a girlfriend with no "back"...
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I prefer arched myself
 
PieterCoetzee said:
Arched and with a lanyard loop. When I humped the PIG, my pistol was the last thing on my mind; but it was comforting to know I would have to explain loosing it in the field
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you carried the pig too...???

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PieterCoetzee said:
The original 1911 had a flat mainspring housing. When the A1 upgrades were done, one of the improvements was the arched mainspring housing. Then sometime in the 90s (?) the cool guys switched over/back to flat. I know the original arched design was intended to correct low hits by changing the position in the shooters hand.

I like the arch for the same reason I like the feel of the Beretta M9. Beretta changed the grip on later M9s to a flat design. Its kinda like having a girlfriend with no "back"...
Click to expand...
My first experience was the Military. I agree that arch kinda grows on you
 
My first 1911 was a Colt series 70 (1978) with an arched housing. fast forward to a couple of years ago when I got my SA Ronin and it's flat housing. I wasn't sure I would like it and was given an arched housing just in case. After using it I actually like the flat housing better myself.
I have a feeling that the low shooting in the military came from point shooting and snap shots off horseback and can see where the arched housing could correct that. I also note the the Colt Gold Cups came with a flat housing and feel that for target shooting or deliberate fire it may have an edge.

Obviously there is no wrong way, just preferences.
 
Scevaph said:
My first 1911 was a Colt series 70 (1978) with an arched housing. fast forward to a couple of years ago when I got my SA Ronin and it's flat housing. I wasn't sure I would like it and was given an arched housing just in case. After using it I actually like the flat housing better myself.
I have a feeling that the low shooting in the military came from point shooting and snap shots off horseback and can see where the arched housing could correct that. I also note the the Colt Gold Cups came with a flat housing and feel that for target shooting or deliberate fire it may have an edge.

Obviously there is no wrong way, just preferences.
Click to expand...
All GOOD points. Early 20th century shooting was done on a bullseye target, one handed, with the non shooting hand in the (back) pocket
 
PieterCoetzee said:
The original 1911 had a flat mainspring housing. When the A1 upgrades were done, one of the improvements was the arched mainspring housing. Then sometime in the 90s (?) the cool guys switched over/back to flat. I know the original arched design was intended to correct low hits by changing the position in the shooters hand.

I like the arch for the same reason I like the feel of the Beretta M9. Beretta changed the grip on later M9s to a flat design. Its kinda like having a girlfriend with no "back"...
Click to expand...
SA 1911 Mil-Spec has arched mainspring if I'm not mistaken.
 
I hear ya! One of my major pet peeves. 🤬
Flat MSHs make me shoot low and just don't feel right in my hand. An arched MSH fits me perfectly. It really ticks me off that almost every time I buy another 1911 I have to spend extra money to replace the flat MSH with an arched one. And what's worse is at times its downright hard to find an arched MSH. Lots of places don't stock them much anymore and stay sold out. 🤬
 
After downsizing I still have 3 Springfield 1911s all have arched MSHs, I put one on my Loaded. The 2 that don't are on stands as display. The one I still carry (only commander size I still own) is my Ruger CMD that I've had for a decade or so. The ones they handed me from the arms room all had arched MSHs so it just seems natural to me.
CMD1.jpg
 
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