I D&T'd both of our 10/22 receivers for a target sight base. Picked the largest OD receiver application and didn't worry about the curve in the backside of the mount.
Something like this: https://www.brownells.com/rifle-par...-model-75-black-sku962201075-26073-36446.aspx
And this: https://www.brownells.com/optics-mo...rget-scope-base-sku841105175-12730-30798.aspx
Coupled with: https://www.brownells.com/rifle-par...rear-sight-black-sku539090000-7991-20238.aspx
And: https://www.brownells.com/rifle-par...ght-steel-black-sku539620100-26067-20247.aspx
The dovetail of that front sight/scope base is correct, but the locking notch is not. A little hand detailing and some cold blue fixed that.
Something like this: https://www.brownells.com/rifle-par...-model-75-black-sku962201075-26073-36446.aspx

And this: https://www.brownells.com/optics-mo...rget-scope-base-sku841105175-12730-30798.aspx

Coupled with: https://www.brownells.com/rifle-par...rear-sight-black-sku539090000-7991-20238.aspx

And: https://www.brownells.com/rifle-par...ght-steel-black-sku539620100-26067-20247.aspx

The dovetail of that front sight/scope base is correct, but the locking notch is not. A little hand detailing and some cold blue fixed that.