i am planing on trying to put one on my h&r 10ga shot gun for deer and coyote.
to tell you the truth and some of you might think i don't know nothing (witch is true in a few case's, lol), if you want a good red dot that will take more recoil and stand up to any thing you can throw at it, look in to a high end air rifle red dot scope or a low power like a 2 to 7 power air rifle or cross bow scope.
the reason i say that for a shotgun, a rimfire, or a heavey recoiling rifle is because how they are made. most air rifle scope's are ment to be shot under 100yrd's or less (most of the time 50yrd's or less). i am not real good with the big word's part of talking and spelling but i will do my best to exsplan it.
a air rifle or cross bow scope is ment for a forword recoil witch will trash any high end rifle or other shot gun scope, so they are built to with stand the forward recoil witch is rated higher than that of a normale rifle scope.
then the reason why i say they are great for a rimfire or shot gun is do to the fact the paralex(sp?) is normaley set for 50 yrd's and under. where most of us think that we will add a normale rifle scope to a rimfire or shotgun. then when we sight them in at 50yrd's or less we can't figure out why we can't some time's get sub moa at that range when you can at 100yrd's. a normale rifle scope with out the adjustable objective is set for 100yrd's. then at 50 yrd if you don't place your cheek and eye at the same place every time your group's will be high, low, left, or right.
to test this on the non adjustabl objective scope's, go out to your shooting bench if you have one or go to the local shooting range. put you standared rifle with your scope, in a gun vise, and make sure it is placed solid like you are going to shoot. put your target out at the 50yrd line, then come back and climb behind old trusty. (you can test this out as well with a ajustable objective scope as well just set the objective for 100yrd's or more) line your cross hair's or red dot dead nutt's cent like you are going to shoot. now well the gun is in the vise and is lined up with out touching the rifle with your hand's so you don't move the gun by mistake. put your eye to the scopeand if all is right it will be lined up center, then move your head back some, up some or to the side's or even down. as you do this you should notice that every time you move your head the cross hairs will move as well. this is why at shorter ranges with a rim fire you get the left or right group's or the up and down group's that you get mad at your self over.
now if you have a rimfire and have a rimfire scope on it do the same as above and you will notice the cross hairs will stay on target. you will all so notice if you do not have the adjustable objective, or even if you do but have it set at 100yrd's like most of us do, it will even be blury at the closer range.
the actual rimfire scope won't work for a high power rifle or shot gun though, they are made to be on a light recoiling rimfire's and that is it. where the air rifle scope can realy be put on any thing you have and it will take the beating from just about any thing you can throw at it, do to the higher standared they have to go through to be able to take the forwared recoil.
a guy i know that work's at a big sporting good's store around here tested this out, he put a airgun scope on just about every shotgun he could zeroed it and took the beating of shooting every type of ammo he could from 2 3/4 in to 3 1/2 in mag's and never lost zero once. he then tested it out on rifle's as well, i can't remember all of the calber's he tryed but i do know he tested it out on at least a 30-06 and i think he even said he tested it out up to a 300mag but don't hold me to that, and he had the same thing once zeroed he never lost it. now he won't put any other type scope on his gun's.
off hand i am not sure if they make a air rifle red dot, but i am all most sure i did see one some where, witch i will do some looking in to now that i am thinking of it agian, and if they do and if you hunt thick cover like i do some time's, weather a shotgun or a close in rifle then i don't think you could get a better scope to take the beating of what real thick cover hunting does to a gun and scope.
just my 2 cent's on the matter, i first heard about it in a back issue of predator exstrem magizen, then the guy i talked to talked with me about him testing it out when i brought it up, so if you want to read up on it to make sure every thing i said is true take a look at some back artical's on the magizen's web site.
bow