Quick Release Scope Mount

[oneyeopn]

I am looking at buying a quick release scope mount. I want to be able to convert between a scope and Iron sights, quickly and dependably. Does the quick release mounts keep your scope sighted in as long as you put it back in the same slots as it was in when it was sighted. I know this maybe rehashing old stuff and I appreciate ya'lls patience but if it would make my gun easily transformable from one sighting system to another then it also makes my gun more adaptable for different hunting and self defense situations.

 

[TangoFoxtrot]

Oneyeopn, I'm no pro. with Ar optics but I'm kind of in your dilema right now. I think the best way to do it, is to have a scope that is something like a variable power and absolute co-witness your BUIS. My thing is why have to pull your optic off, especially for a SD rifle. I think if the SHTF and your optic craps out you may not have the time to take the optic off. Just fuel for thought.
I'm sure you'll get better advise on this from more knowledgable folks here. Just my 2 cents!

 

[oneyeopn]

TangoF..to hunt P dogs I need a good powerful scope that enables me to shoot at objects between 100 to 300 yards. Then to go target shooting with my buddies who don't have "big" scopes on their rifles I wanted to be able to quickly put my BUIS on. Using a riser I am unable to use my BUIS when I am using my scope and have to remove it in order to use my irons (or plastic in the case of my Magpul rear sights). I see a lot of options with quick detach mounts and risers and can see where if you quickly detach your scope and put it back on in the exact place it was, the QD system should put your scope right back where it started (I hope). I appreciate your answer but my Scope doesnt cowitness in fact I cannot see the front sight when I look through the scope and where it is you would think that you would but there is something about the focal plane that sees past it and not it. So that is why I am asking before I buy something else that doesn't do what I want it too. Way too many options for our rifles. Or at least way to many things to spend money on whether they work or not I don't know.

 

[TangoFoxtrot]

Okay I got ya now. Yeah its mind boggling on what you can put on AR's

 

[xICEMANx]

I think as long as your using a one piece mount, not rings, you should be able to return to zero. I have a Burris tac 30 on a one piece mount. I've removed it a few times and it's held zero.

 

[oneyeopn]

I think as long as your using a one piece mount, not rings, you should be able to return to zero. I have a Burris tac 30 on a one piece mount. I've removed it a few times and it's held zero.

This gives me hope, I know if I take the scope off I have to treat it like I do any scope but when I get it zeroed I would like to think it will stay that way...I had this scope on an 8x57 Custom Mauser that had way more recoil than my Sport and it held zero so I figure it should hold zero on the 5.56.

 

[MPDC]

The current issue of "American Rifleman" compared three QR mounts (fairly high end ones) and concluded they altered zero very slightly in removing and replacing but were near on and adequate for tactical use IF not perfect for competitive target shooting. Larue was one of the tested models but I don't think they compared the less expensive Burris offering.

 

[jsimmons]

I have a Burris PEPR (not the QD version) and it holds zero when removed, and then re-installed. I'm using it with a Nikon M-223 3-12x42SF BDC scope. I can move it from one AR to another, and the only thing that needs much adjstment is windage. The rifle on which it's zeroed is a mid-length, and the other is a carbine length, and therefore shoots about an inch low, but for the sake of argument, I call that maintaining zero for elevation.

I see no reason why the QD version of the PEPR wouldn't perform equally as well, and for a lot less money than the Larue, BoBro, or DD.

 

[rojodiablo]

I got one for you; I have a Burris PEPR on my Sport when hunting, with a 3x9. I pull it for carbine course, and plinking.

I had this scope I wanted to drop onto my Bushmaster 308; tried several different heights to see what I liked. A guy offered me an NCStar QD scope mount; similar to a Burris, but not as foolproof of a lock (Single cam lock.) I figured, it's $50. If it does not hold up, try it on another AR15, or trade it to a 15-22 owner where recoil won't be an issue.

Well.... 335 rounds of 308 this weekend, and it holds a zero. I took it off, and put it back on. It held a zero.
I was blown away. Nor shift, no rattling loose, not jarred- nothing bad to report. I will say, I was VERY careful with my install, and used Loctite blue on every screw and the set screw/ bolt assembly.
But the back and forth of a 308 is a lot of jarring, and had shaken a couple scope mounts loose. 335 rounds- quite a few rapid volleys. I was impressed, and really happy considering the price.

 

[jsimmons]

I got one for you; I have a Burris PEPR on my Sport when hunting, with a 3x9. I pull it for carbine course, and plinking.

I had this scope I wanted to drop onto my Bushmaster 308; tried several different heights to see what I liked. A guy offered me an NCStar QD scope mount; similar to a Burris, but not as foolproof of a lock (Single cam lock.) I figured, it's $50. If it does not hold up, try it on another AR15, or trade it to a 15-22 owner where recoil won't be an issue.

Well.... 335 rounds of 308 this weekend, and it holds a zero. I took it off, and put it back on. It held a zero.
I was blown away. Nor shift, no rattling loose, not jarred- nothing bad to report. I will say, I was VERY careful with my install, and used Loctite blue on every screw and the set screw/ bolt assembly.
But the back and forth of a 308 is a lot of jarring, and had shaken a couple scope mounts loose. 335 rounds- quite a few rapid volleys. I was impressed, and really happy considering the price.

I bought two NC-Star mounts (the cantilever QD version). One was adequate, the other was somehow whacked. NC-Star is too hit or miss for my tastes. I got two PEPR mounts, and they've both been perfect.

 

[crracer_712]

Yep, I've got some NC Star products, they've been hit or miss for me as well, sometimes the price is just to good to pass up a potention good thing.

One item I have that is good, is a bi-pod on my son's Sig 522. One item that worked flawless the first outing was a Red Dot reflex sight. The windage and elevation didn't have detents, but they worked. Only problem was, the very next outing, the dial that housing the battery was completely loose, wouldn't fall off but was loose. I guess it just sprung under battery pressure. It was on a 10/22, put in a soft side case and stored in my closet over night when it happened.

They have a lifetime warranty, but it costs ten bucks to get it fixed/replaced. I haven't sent it in yet, but will, its been over a year.

 

[oneyeopn]

Ok which side do you put the Quick release on. The left or the right?

 

[crracer_712]

typicaly on the left. If you are talking about the PEPR type mount, they are an offest mount, meant to have the rings in the forward postion to gain proper eye relief.

 

[oneyeopn]

Well the QD mount is on its way and I will post pics.

 

[rojodiablo]

typicaly on the left. If you are talking about the PEPR type mount, they are an offest mount, meant to have the rings in the forward postion to gain proper eye relief.

I found with my PEPR mount and the forward cant it works better for scopes with very long eye relief. It's bizarro, but there are a couple types: Shotgun scopes usually have an extra inch of relief. Safari scopes can have an extra 2" of eye relief for the uber-magnum recoil (And, these scopes are virtually indestructible to deal with .450 and up magnums). Finally, there are pistol scopes. Many have TOO much eye relief, but set forward, it works well.
I believe the PEPR mount is set forward to also accommodate secondary devices, solid sights, etc. at the rear of the upper receiver.
The NCStar QD mount has the lock cam on the left side so it does not interfere with chamber clearing, ejection port, etc.
I am not sold at all on the NCStar scopes, but the mount seems far more than the sum of the part itself.

 

[oneyeopn]

I have the NCstar coming also have an H1 buffer coming, as far as the buffer I just want to calm the action down a little, and the NCStar I want to be able to change out of the scope easily. plus with its extended ears it gives more clearance...hope its a hit and not a miss. and No I dont trust their optics either.