Picatinny Rings and Duplex Reticle

Sorry for such a simple question, I'm sure it's been discussed many times.

In looking for in inexpensive scope for my Crosman 1077 CO2 Rifle and/or my Marlin Model 60 22 rimfire rifle. Neither of these rifles have the recoil of the break barrel, so I assume that is not a major concern in selecting a scope.

One important is: how the rings attach. Is a Picatinny ring fit what I call "dove tail" rails found on rifles/pistols too that don't have something more rugged like the Weaver? And a Duplex Rectile, does that simply mean "cross hairs"? :thumb:

I'm considering a lower cost Center Point, heck the CO2 rifle is Crosman. I have one on my Nitro Venom, and it isn't a great scope but I'm planning on only a single power (4) and hope I can adjust the object for something like 50' as I'll not be shooting the CO2 Crosman at targets much farther than that. :cheers:

Okay, I should have just looked at the examples I have in my pellet gun arsenal - it appears the Weaver takes the same clamping mount as the Picatinny it's just that the weaver has a "beefed" up top that provides a number of slots for the ring holding bolts to fit in, thus giving two stops to prevent the scope from moving backward due to the kick of firing, especially that in a "Springer". So the subject scope which comes with Picatinny rings would work on both the Weaver and the more common dovetail, or Picatinny.

On the Duplex issue I see it is just that the cross hairs are thicker on the ends and top/bottom to make it easier to spot the cross hairs. The cross hairs are thinner (more precise aiming) in the central part. I think that's what my existing scopes have, will take a look next time I get them out.

Dovetail are the type where slots are cut into the gun, like most airguns have. The width is usually ~11mm wide, but vary maybe +-2mm because there is no real standard. You can slide the rings up and down the rail all you want for best fit to scope and your eye, the don't take up space, and they they look good.
A Weaver is a much larger, wider, and taller mount, about twice as wide and they stick way up are are ugly imo. Rather than cut into the gun, it's attached to the gun with screws or welded etc. They also have slots so the rings can only mounted in those slots, and if you only have 2 or 4 slots which is common then you might be screwed on scope position. I have a gun that's like that...
Picatinny is like a Weaver but has many slots so you can mount the scope pretty much anywhere. Picatinny slots are a tad wider than Weaver slots so a Pic scope ring might not fit the smaller slot in a Weaver rail. Pic are basically a modern and standardized Weaver so there is little variation, and what variation there is shouldn't affect functionality.
Pic can also be very long like on military rifles, many are steel and solid like those are airguns, as if airguns weren't already too heavy.... Weaver are usually short or two very short rails, usually hollow down the middle, and aluminum so they're extremely light. Everyone wants Pic so that's what airgun mfg's put on there. This weight problem is one reason I prefer dovetail, the other reason is looks.

Yes you can throw any scope on the 1077 or Marlin 22, those guns will not put 1% of the stress on a scope that a springer will.

Chevota,

Thanks, i didn't get the right take on the Pic. But, my interest was raised more by what rings came with a scope advertising compatibility with Pic and Weaver - i.e., would the rings also fit the dovetail slots.

I have the Crosman Weaver, welded and very heavy, but he Nitro Venom would be heavy in any case. It appears to be welded on and I think I have the scope mounted in a good position for my shooting.

Speaking of springer shock, my Ruger Air Hawk will take a partial turn on the stock screws every time I check, about every 25 shots. Even the dovetail (with rear stop) scope mounts will take a little tightening, not as much of a turn as the stock but with moderate (imo) torque I must get 1/16th turn on the scope screws and about 1/8th turn on the stock screws, to at the muzzle end and the two at the trigger. The Nitro Venom doesn't seem to loosen as much, may just be better screws/treads as I believe the Nitro hits as hard as a springer..but maybe not. I'm sure I've been told but at the moment I can't remember what... I think the Nitro is less shock but have a strange recollection you may have side the Nitro hit harder. Both guns are becoming easier to cock.. must be approaching 1000 shots through each.

I also have 100 or so shots through my new Marlin and Ruger RF guns. I like the semi-auto and it takes some restraint to pause between shots... same goes for the Crosman 1077, where one needs to pause to let the cartridge warm up a bit. No such need with the RF, only concern would be overheating the barrel (ha!).

The Ruger I've seen have welded rails, the Crosman I believe are brazed.
You can use loctite on any screws that give you trouble.
The nitro does make more shock/G's than a coil version, on avg. They advertize less recoil, reverse recoil, bla bla bla, but it's a lie. So nitro guns are on avg harder on scopes, but tuning the gun correctly will reduce that quite a bit. This is why I don't need to use loctite, nor do I break scopes.

Thanks, I commented on the locktite subject on another thread you are participating on - before I read here. I will try this on the Ruger Springer. I though it was you who posted gas pistons have more shock than springs. I will not argue with that and if I had more energy I'd work on tuning following your great instruction, which I have downloaded but not used. That said, something I think I got from you, I found I could focus (parallax set) my low cost Ruger scope by removing the object lenses cover and simply screwing the lens to my choice of best focus, about 30' is what I took.. Anything at 100' isn't like to be hit anyway.

Speaking of shooting at longer distances I was having trouble seeing if I was hitting a target with my Ruger 22 rim fire pistol and took a few shots at a white post about 100' away. I saw the bullet arch, something I think you had commented on - seeing the pellet and bullet as it flies through the air. I may have had subsonic ammo in the pistol and having a 3.5" barrel I suppose the bullet was traveling under 800 fps, and the slug on a rim fire is much larger than the corresponding 22 cal pellets I use. I have shot the pistol a couple of times without ear protection and was surprised how loud it is - I think louder than a rifle shooting the same ammo suppose the short barrel makes the sound louder, most silencers extend the barrel as well as have sound absorption mass - guess that's how silencers work.

So Weaver mounts are really a big dovetail system. Some mfgs call Weaver/Picatinny a 20mm dovetail (or 7/8" rail...). Weaver invented the system. Picatinny added the non-Weaver cross slots to make the universal rail. Neither is the same as Rf dovetail.

Most parts will interchange, but not all ... It's what is on all my CF rifles. My favorite mounting system :)

Air gun and rim fire dovetails are 3/8" or 11mm. There are three and four bolt adapters that grip RF 11mm dovetails nicely and make a 20mm Picatinny Rail system available on top :)

And the last Ruger I had (Youkon 22) had 11mm dovetails and a four-bolt picatinny rail on top from the factory ...