M1911 scope base

by Boxturtle 9/22/2018, 12:50 pm

Hello Folks,

I'd like to install a scope mount on my Model 1911, but would also like to keep the iron sights in place. Is there a slide mount scope base that will clear both the front and rear sights and yet hold a 1" Ultradot securely? Will the Jack Weigand or Les Baer frame mount base clear the sights? Is what I want to do in general a bad idea?

Thanks, Tom

by Boxturtle 9/22/2018, 12:57 pm

P.s. If I substitute an Aimpoint Micro H-1, which only uses one slot on a Burris type mount, would that make the project more likely to succeed?

by Chris Miceli 9/22/2018, 1:16 pm

Rock river makes a rib with built in irons, not service pistol legal but it has irons. Could take a rib and cut it short between the sights.

by Olde Pilot 9/22/2018, 1:19 pm

I used a Clark rib and just cut it off to clear front/rear sights. Did cut another slot to mount UD where I wanted it.

by Jon Eulette 9/22/2018, 1:25 pm

I slot front of rail to cover front sight and trim rear of rail to clear rear sight. Then add cross slot at the rear for rear ring.
Jon

by Boxturtle 9/22/2018, 3:11 pm

Olde Pilot wrote:I used a Clark rib and just cut it off to clear front/rear sights. Did cut another slot to mount UD where I wanted it.

Jon Eulette wrote:I slot front of rail to cover front sight and trim rear of rail to clear rear sight. Then add cross slot at the rear for rear ring.
Jon

I have a Clark base, and this is exactly what I had in mind. Thanks for the feedback.

by LenV 9/22/2018, 7:06 pm

I used a Weaver #26 to achieve what you are after. It works great so there is no reason to change it. But if I did it again I would cut down a Clark or a Marvel.

by cdrt 9/22/2018, 8:08 pm

Something like this?

by Boxturtle 9/23/2018, 6:53 am

LenV wrote:I used a Weaver #26 to achieve what you are after. It works great so there is no reason to change it. But if I did it again I would cut down a Clark or a Marvel.

That is very reassuring. Thank you Len.

by Boxturtle 9/23/2018, 6:57 am

cdrt wrote:Something like this?

Would you post or PM more details please? Your base appears to be thick and standing above the rear sight. How many holes are in the frame? Did you modify an existing base, make one from scratch, or is it a manufactured part? Thank you.

by cdrt 9/23/2018, 8:19 am

Boxturtle wrote:
cdrt wrote:Something like this?
Would you post or PM more details please? Your base appears to be thick and standing above the rear sight. How many holes are in the frame? Did you modify an existing base, make one from scratch, or is it a manufactured part? Thank you.

Buddy Chapman, out of Lone Oak, TX, did this mount for me. I believe it is a Weaver rail, but I will have to ask him. He milled the back to allow the rear sight to remain and he milled the bottom to give it that slight slant to the front. There are four mounting screws; two in the rear behind the ejection port and two in the front. The two in the rear are fairly close together. I'll send Buddy an email and see if he can tell me the brand of the rail. He is no longer working on pistols, unfortunately.

by WesG 9/27/2018, 10:11 pm

I thought everything commercially available was pointless and stupid, legacy garbage based off of the iron sight rails that were common place back in the 60's, so I made my own. 6061, hard anodized. But there is the factor of commonality, interchangeabiliity ...

Doesn't use a 'standard' hole spacing, and I put the slots at .5" spacing so 'Picatinny' mounts won't fit. But I have several 'spares' if anyone is interested.

FWIW, I think I put 30' slope on them to match up with the irons.

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