Crooked base

6.5x55swm

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Just was giving a 303 Enfield that the base is mounted crooked, it has a tO1 Weaver base any idea how to fix with out redrilling?
 
Just was giving a 303 Enfield that the base is mounted crooked, it has a tO1 Weaver base any idea how to fix with out redrilling?

Without re-drilling the holes, and if you want to use what is there, about only thing you can do is file the holes on that base to be larger or oblong - won't hold as well as round holes.

For those not familiar with it, I think the Weaver T0-1 base used 3/8" dovetail clamp rings on top - to hold the scope. Is getting fuzzy, but I think was two holes on the front receiver ring, and one hole on the cross bridge for the stripper clip? Depending how crooked you mean by "crooked" - is possible that you may need to work on very front hole and very rear hole - likely can leave that second from front as made?

Nothing says that "straight" on centre on the receiver is also straight with barrel bore line - barrel could be bent slightly at it's threads - no real telling where the bullets might go compared to the scope base alignment - you would need to take a few shots to find that out. Is possible that the base may look out of line, but still within the scope's adjustment capability to "sight it in".
 
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I have no experience with scope mounting on an Enfield but could you use windage adjustable scope rings?
 
That base is made for 3/8” 22 style rings so regular rings won’t fit. Limits the options a bit. Drill and tap for a side mount or buy a no drill mount. Scout mount replaces your rear site or one that attaches to the bridge and safety screw.
Trying to straighten a crooked mount by oblonging the holes is just asking for it to come loose.
 
A Weaver TO-1 base came with a shim - so could be used on either a No.1 Lee Enfield or a No. 4 / No. 5 Lee Enfield - alternate scope mounting choices are different between No. 1 and the others. You will need to know more than "303 Enfield", to find other stuff.

I guess there is a third possibility - if someone got a TO-1 base to install on a P14 - aka "303 Enfield".
 
Is it a #1 or #4 Enfield? Different scope mounts for each model. If yours is a Parker Hale conversion it might have been drilled and tapped on the left receiver side for scope mounts. #4 PH side mounts are a bit difficult to source and #1 PH mounts are extremely difficult to source. The scout mount that Snider shooter suggested is really a nice mount as long as the bridge has been left intact. Some sporter conversions had the bridge removed.
 
I have on occasion oblonged the holes in bases to get them on center. I fill in the voids with JB Weld. Wax the screws so they don't get "welded" in. Ends up quite secure and the fix is generally hidden by the rings.
 
That base is made for 3/8” 22 style rings so regular rings won’t fit. Limits the options a bit. Drill and tap for a side mount or buy a no drill mount. Scout mount replaces your rear site or one that attaches to the bridge and safety screw.
Trying to straighten a crooked mount by oblonging the holes is just asking for it to come loose.

Change the base, if the are out for windage, a leupold/Redfield style base works well with the adjustment screws at the rear. - dan
 
Change the base, if the are out for windage, a leupold/Redfield style base works well with the adjustment screws at the rear. - dan

The Weaver TO1 base is the only American top mount base made for this rifle. The spacer that comes with it has to do with elevation only. This TO1 base uses the Weaver .22 Tip Off 1 inch rings.

To the OP - how do you know the base is mounted crooked? Have you mounted a scope and shot it?
 
The Weaver TO1 base is the only American top mount base made for this rifle. The spacer that comes with it has to do with elevation only. This TO1 base uses the Weaver .22 Tip Off 1 inch rings.

To the OP - how do you know the base is mounted crooked? Have you mounted a scope and shot it?

I can tell just by looking at it
 
I can tell just by looking at it

Good for you.

I installed hundreds of TO1 bases over the years. I was never able to judge it by eyeball, I had to rely on careful measuring... often I laid a tight line between the front sight and in the center of the rear peep to find where the center hole should be on the rear bridge.... and then to line up the front holes.

If the base is crooked on the rifle plugging the rear hole and relocating it correctly will be a start... You might be able to fudge the front holes sloppier and make it work. If not plugging all the holes and starting over... This would probably cost you $200 in labour.

Unless this rifle is in excellent condition with a sporterized stock why bother? The original stock does not work well with a scope at all. Period. And a 'collector' has no interest in an altered cobbled over action.

Put a set of rings on it and a 1 inch tube in the rings and see how that tube lines up over the barrel... that will show you how much correction required.
 
The Weaver TO1 base is the only American top mount base made for this rifle. The spacer that comes with it has to do with elevation only. This TO1 base uses the Weaver .22 Tip Off 1 inch rings.

To the OP - how do you know the base is mounted crooked? Have you mounted a scope and shot it?

There is a no gunsmithing mount if memory serves. I used one of those on a No 4. - dan
 
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