3/8 inch, standard groove you will usually find on small rimfire .22 rifles
.22
Look on the barrel, it will be marked as to the proper ammunition.
$35.00
Your Winchester model 25 rifle will take any size scope that you see fit to use as long as the rifle is drilled and tapped for scope use.If your rifle comes with a 3/8in.milled receiver rail then you must use that size scope ring bases.I recommend that a good 4X power scope is all that is needed for the effective range of .22cal rimfire ammo.
weaver refers to the type of scope mounts the scope uses. a weaver scope can mount on any rail size.
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Magnitude- overall scope in size.
1 1/2 or 2 inch galvanised.
The 7mm designation is a reference to the bore size, or diameter. In decimal size it means this rifle has a barrel groove diameter of .284 inch.
It should be marked on the barrel
410 ga
the size of the catering industry is masive and evry day enlarges