The Winchester 121 single shot bolt action rifle was made from 1967 to 1973 and should have 3/8" dovetail grooves for scope rings. If the rings you have do not tighten down to that size you will need a new set of rings. Check the package before purchase but any rings made for rim-fire rifles should work. Also check the scope tube diameter; the rings need to accommodate the tube of the scope. Too large will not hold the scope securely, too small will crush the scope tube and render it useless, if you can even get the scope into the rings.

Happy shooting and be safe!

Picking A Good Scope For Your Hunting Rifles At A Fair Price

Picking a good scope for your hunting rifles at a fair price.

One of the rifle scopes worth checking out is the Burris 2-7x35mm Ballistic Plex. This scope has a lifetime warranty and fully multi-coated lenses as with fast focus and click adjustments. This model goes for around $170; a good buy for anyone that is ready to dress up their hunting rifles. If you're looking for a medium range option, this model is definitely one to go with. It is made mainly for hunting in the woods and has a sleek and light body that is great if you have a long way to walk through brush.
The Signature Select Ballistic Plex  scopes are another great model from Burris for people that plan on hunting large animals and shooting long distances. It is very well known for making a really clear image.
The Rim fire News is a compact scope with adjustable power from 3X-9X and an adjustable parallax. This scope would also be e very good addition to any of your hunting rifles with all of its great reviews, even in rough weather including water and below freezing temperatures.
Another scope to check into from Burris rifle scopes would be the Black Diamond. This scope is known for is very good clarity and brightness while still being able to dial in at long range. This scope is also a great pick even just for target shooting .Other great things are that the Black Diamonds come with adjustment dials that you can reset and finger-adjust. The newest thing about it is that it comes with a side focus parallax adjustment with upgrades such as weight and length reduction which enables you to mount the scope even lower on the rifle. Combined with great value and ruggedness, the Black Diamond line of Burris scopes are a great addition to your hunting rifles.
The Fullfield rifle scopes are also another fine choice from the great people at Burris, and the newest scopes are not any different; like all the others they are made great for whatever you plans are with it. One of the great things about these riflescopes are the quad seal rings put in place of O-rings also with the adjustable eyepiece that you don't have to  use a locking mechanism. A scope made like this it's no wonder that the Fullfieldsline have been used by hunters and shooters for so long.
Another great rifle scope for the money is the Simmons Aetec.  This is the first scope to come out with aspherical  lens that were typically used in high end cameras and telescopes. They make the view a lot clearer that regular lenses. Coming with all the Aetec scopes are a one inch tube with multicoated lenses that make great light transmission. They also come with one quarter moa finger adjustment. They are also shockproof, waterproof, and suppose to be fog proof.  For those that wear glasses they are also standard with long eye relief. Another great choice when your ready to upgrade your hunting rifles.

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For more selection of rifle scopes at a fair price from brands like Nikon, Leupold,
Burris
,
Simmons
and Trijicon check out
theriflescope.com