sights on cooey

disker

disker

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I have a old Cooey Canuck JR 22 long rifle the open sights are poor can i put a scope on it. is there enough matteral there to drill and tap for mounts. any thoughts will be helpful thanks.
 
you can put a scope on it but if it is the jr model i would look to improve the sights instead. if you want to scope a jr rifle find a new savage and keep this one original.
 
disker said:
I have a old Cooey Canuck JR 22 long rifle the open sights are poor can i put a scope on it. is there enough matteral there to drill and tap for mounts. any thoughts will be helpful thanks.
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I did as you are thinking, but it was on a Cooey 39 single shot - I am not familiar with the JR, but it might be a similar sized action? I used a Weaver 92A base that was sawed off and then a new cross slot filed in to it - the #92A had about the correct diameter on the underside to match to the Cooey 39 receiver diameter - three 6-48 holes drilled and tapped into the receiver - I used two of the original holes in the base for the rear bridge, and then made one new hole for the front ring of the receiver - then the area for the loading / ejection was filed out to match the rifle. The outfit will now accept standard width Weaver style rings. Where I sawed or filed that exposed the shiny aluminum, I just coloured it black with a Jiffy Marker.

For 6-48 screws - that is 48 threads per inch - I find that 4 or 5 threads seem to hold good - so like 1/12" (2.1 mm) or so needed to be threaded into the parent material for the screw to fully hold - if you do not "wobble" and mess up the first one or two threads.

I think I had "sighted in" the rifle with the iron sights and then used that to find centre for drilling the scope base holes - as I recall - there is no flat on a Cooey receiver to go from, to find Top Dead Centre. Maybe someone knows an easier way to do it.

There used to be a chart floating around on Internet - maybe on Brownell's website (?) - that gave the actual dimensions of various Weaver bases - not what they were used on, but the various hole spacings, thicknesses and diameters. I downloaded it some years ago, and tend to work from that - not sure if that is still available or not?

BTW - the job was done about the time that OP first posted this thread - so some years ago, and I might be forgetting some details.
 
first off you are limited to the physical size of scope the action is very short also the throw of the bolt coming upward on it is going to interfere with the centring of the base
a lot of time and money and you still don't have a gun that's going to be accurate
if you are really set on putting a scope on it then take to a competent gun smith and have the reciever grooved for tip off rings
35 years as a gun smith
just saying
 
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