Is it possible to use buis with a scope?

jonyork

jonyork

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Hi Folks,

Just a question that came to me last night, looking at putting a scope on my BCL 102, which currently has flip down irons on it.

Is it possible to use irons while the scope is still on?

If so, what height to centreline would be co witness?

Thanks!
 
Depends on the scope you're using. If it's a magnified optic, you generally won't be able to use them, just because you won't see the front sight through the scope. You could maybe get a see-through mount of some kind, but I can't even imagine how high you'd have to mount your scope. Probably the best method for using irons with a scope would be to use a 45 degree offset mount for the BUIS.
 
I hate Buis or any folding sights.

When i get a new firearm that wear then, i just take them off, tape them together and just trow them in my loose stuff bin.
A scope or holografic sight is the norm here.
 
jonyork said:
You know, the 45 offset never occurred to me.

Thanks!
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What do you think you BUIS for? The professed need for BUIS in most circumstances is largely overstated.

I read an article a while back where a scientifically minded instructor at one of the tactical schools in the US consulted several dozen LE and Military professionals, including many retired SOF, combat vets, police swat, etc, and found that no knew of any situation where someone actually needed BUIS. The odds of your main scope being destroyed by gunfire or some other force that leaves the rifle and back up optics intact is astronomically low.

I know of no shooting competitions where the format demands quick transition from long distance shots needing a high power optic to very short range shots where you would need a near focus wide angle sight picture.
The risk of spontaneous scope failure is virtually non existent with even medium quality scopes.

So unless its cosmetics you are after, question what application you are using the firearm for and whether you actually need them.

Full disclosure, I love iron sights. I use a set of Magpul BUIS on an AR as the primary sights and for shots out to 100m are good to go. I have a set of troy 45degree offset irons on another semi auto set up for coyote hunting, because I had imagined a scenario where I could be set up for a long shot and could have something come out from behind us at danger close. In all honesty there are good scopes that are perfectly suited for that kind of application and I would have been much better off not doing the offset irons and just putting that money into a better scope.

Ive seen many people who throw BUIS on their guns, never zero them, and never practice with it. More than once at the range I have seen someone In a fit of frustration with their primary rip the primary off to finish the session with the irons just to be equally frustrated with their inability to hit anything with the BUIS. Like any piece of kit, you need to put some effort and training time into it if you expect to be able to use it effectively when needed, and BUIS are probably one of the most neglected pieces of equipment out there. YMMV.
 
Cameron SS said:
Feel free to stick em all in the mail to me!
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You know in my area at the Ontario farm many young shooters come and see me for a problem on their rifle or ask for advices, i like having stuff like that in my loose stuff bin, it permit me to intalled them on their rifle, most of the times i just exchange them for a service ( like bringing one cord of wood from the stere to the house ).

I like to share with peoples, life has been good to me.

I noted your request.:rolleyes:
 
Cameron SS said:
What do you think you BUIS for? The professed need for BUIS in most circumstances is largely overstated.

I read an article a while back where a scientifically minded instructor at one of the tactical schools in the US consulted several dozen LE and Military professionals, including many retired SOF, combat vets, police swat, etc, and found that no knew of any situation where someone actually needed BUIS. The odds of your main scope being destroyed by gunfire or some other force that leaves the rifle and back up optics intact is astronomically low.

I know of no shooting competitions where the format demands quick transition from long distance shots needing a high power optic to very short range shots where you would need a near focus wide angle sight picture.
The risk of spontaneous scope failure is virtually non existent with even medium quality scopes.

So unless its cosmetics you are after, question what application you are using the firearm for and whether you actually need them.

Full disclosure, I love iron sights. I use a set of Magpul BUIS on an AR as the primary sights and for shots out to 100m are good to go. I have a set of troy 45degree offset irons on another semi auto set up for coyote hunting, because I had imagined a scenario where I could be set up for a long shot and could have something come out from behind us at danger close. In all honesty there are good scopes that are perfectly suited for that kind of application and I would have been much better off not doing the offset irons and just putting that money into a better scope.

Ive seen many people who throw BUIS on their guns, never zero them, and never practice with it. More than once at the range I have seen someone In a fit of frustration with their primary rip the primary off to finish the session with the irons just to be equally frustrated with their inability to hit anything with the BUIS. Like any piece of kit, you need to put some effort and training time into it if you expect to be able to use it effectively when needed, and BUIS are probably one of the most neglected pieces of equipment out there. YMMV.
Click to expand...

Honestly, I like irons and I use mine a fair bit.

On my AR15, I have a red dot that I have cowitnessed with the set of BUIS I have on there and use both. Interestingly enough, I seem much more accurate using the BUIS out to 200 over the red dot, but the red dot makes blowing up clays at 50 so much faster and fun :p

On the AR10 that I want a scope and irons, is essentially to do the same, but reverse, like your coyote example.

I definitely agree that many times I feel like people have them on for show, but I do make a point to at least use mine every time at the range.

I've never setup a 45 offset before, that is going to be interesting.
 
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