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After searching for a few days I finally found a pair of scope rings to fit my Chuckster. If anyone else needs a set here are the details.

Havlinsales.com
Item: 274m
$38 + $4 s&h

NEW! Mossberg 22 scope base for grooved receivers!

Here's the solution for those hard to scope Mossbergs from 1949-1986. Matte Black pair of offset rings for Mossberg 22's with grooved receivers, 140, 142, 144, 146, 151, 152, 250, 340, 341, 342, 344, 346, 350, 351, 352, 353, 377, 380, 640 all variants. Rear ring cantilevers back for proper eye relief with small mounting footprint, allows you to mount a modern 1" scope properly. Shown on Mossberg Model 341.

Offset dovetail scop rings https://imgur.com/gallery/4BcGz5B
If you need any of these rings, you should order them while Vic and Cheryl have them in stock. I had to wait over ten months to get the two sets that I ordered in 05/20. BKL Technologies makes these exclusively for Havlin Sales.

I've got a 640M that I plan to get scoped once I'm more ambulatory.
Ah, the old Mossberg Chuckster .22 mag. was my buddy and my first varmint rifle. I think that we both had those 3/4” .22 scopes on clamp mounts on them and just taking them out of the gun case seemed to change the poi. Going to the range first thing in the morning to re sight in was an early memory. Not that we could have even afforded a quality 1” scope with our adolescent incomes, but I’ll bet a good scope on that Chuckster sure would have made into a better varmint rifle.
Originally Posted by Windfall
Ah, the old Mossberg Chuckster .22 mag. was my buddy and my first varmint rifle. I think that we both had those 3/4” .22 scopes on clamp mounts on them and just taking them out of the gun case seemed to change the poi. Going to the range first thing in the morning to re sight in was an early memory. Not that we could have even afforded a quality 1” scope with our adolescent incomes, but I’ll bet a good scope on that Chuckster sure would have made into a better varmint rifle.

Same experience with my first chuckster in 1961. I now have a Chuckster albeit Western Field that is an absolute tack driver with 40gr Winchester or CCI....its fitted with a Weaver K-4.
Originally Posted by Windfall
Ah, the old Mossberg Chuckster .22 mag. was my buddy and my first varmint rifle. I think that we both had those 3/4” .22 scopes on clamp mounts on them and just taking them out of the gun case seemed to change the poi. Going to the range first thing in the morning to re sight in was an early memory. Not that we could have even afforded a quality 1” scope with our adolescent incomes, but I’ll bet a good scope on that Chuckster sure would have made into a better varmint rifle.



Ha ha. Ya think? My chuckster shoots 3/8" 10 shot groups at 50 yards, with the ammo it likes. Mounting a scope is simple too, no need for special mounts. Right now it wears target irons though:
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

My dad wore this rifle out when he was a kid, but I replaced all the critical parts like extractor, ejector and all the springs. Works like a new rifle now and still shoots good.
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