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What distance do you sight your 308AR rifles in at?


Deuce

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Couple quick questions. I recently bought a DD DD5V1 and have a Leupold scope being unused from an old rifle I no longer shoot. It's a Leupold VX3 (6.5-20x50 LR Target).

 

Should I use the scope I already have or would I be better off buying something like a Trijicon VCOG which I was interested in? I'm not really sure how far out this rifle will even be accurate to.

 

I mostly just go out to the desert with friends and shoot targets. So we have near infinite space. I got this rifle so I could shoot targets farther out than with my other smaller rifles. I've been shooting those at right around 100 yards up until now. Never shot this new DD rifle yet. Thanks!

 

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Congrats on the DD5...I've never shot one but it looks like an excellent rifle, please give us a report and/or some feedback once you get to shooting it.

This following is just my opinion so take it for what it's worth.....

While each of those scopes you list are very nice I think there are better options for you. The rifle should have no problem reaching 800 yards accurately (assuming proper ammo and decent shooting skills). I have never shot the DD5 but have a few 16" 308 AR's and they can get to 800 (accurately) without much effort.

I think the VCOG will have some limitations if you really want to shoot beyond 500-600 yards (accurately)...the VX3 you have (while a very nice scope) just doesn't seem to match well with the DD5 (just my opinion)...mostly I think the 6.5x low magnification range is too high for the gun, and it will look a bit "out of place" on the DD5.

You may consider giving the Leupold Mark 6 3-18x44 a look...I think it would be a perfect scope for that rifle.

https://www.leupold.com/tactical/scopes/mark-6-riflescopes/

 

 

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Sorry...never answered your other question about sighting-in distance...

If my optic is a lower powered optic (anything with a max. magnification of say 8x) I generally sight in at 50 yards, which will also give me another zero at around 200-ish yards. That way I don't have to adjust the scope as often and will usually use holdovers vs. turning the turrets for anything outside 50 -250 yards. I generally only do that on guns intended for shorter to mid-range shooting ("battle rifle" type of set-ups, etc).

If my optic has a higher magnification range (say anything with a max. magnification of 10x or higher) I sight-in at 100 yards...but I only use the higher powered scopes on guns that are easily capable of both effective power and accuracy beyond 400 yards.

 

Edited by Fletch
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https://www.leupold.com/hunting-shooting/scopes/mark-6-riflescopes/mark-6-3-18x44mm-m5b2-34mm/ 

 

This looks good. I think I'll go look for one today. Thanks for the advice. And once I get it, I'll start with setting it up for 100 yard shots.

Is the relatively inexpensive Burris PEPR scope mount good enough? I saw mounting setups for $89-$475. But can't see why one is 5X the cost.

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48 minutes ago, Deuce said:

https://www.leupold.com/hunting-shooting/scopes/mark-6-riflescopes/mark-6-3-18x44mm-m5b2-34mm/ 

 

This looks good. I think I'll go look for one today. Thanks for the advice. And once I get it, I'll start with setting it up for 100 yard shots.

Is the relatively inexpensive Burris PEPR scope mount good enough? I saw mounting setups for $89-$475. But can't see why one is 5X the cost.

The ones that cost 5x are actually packages that include a scope...the mount itself is around $90-ish.

That being said I would consider looking at a Larue mount or an ADM mount, or even a Mark 6 mount from Leupold...I like the QD mounts so I can take them off easily for whatever reason (usually putting it on another gun temporarily).

http://www.larue.com/larue-tactical-spr-m4-scope-mount-qd-lt-104

https://www.americandefensemanufacturing.com/view/product/5/

http://www.opticsplanet.com/leupold-mark-6-34mm-integral-mounting-system-matte-black.html

There are certainly others out there as well. Just my 2 cents but I wouldn't even bother with the Burris PEPR mount if your going to get that Leupold 3-18 scope.

 

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56 minutes ago, Deuce said:

 

Is the relatively inexpensive Burris PEPR scope mount good enough? I saw mounting setups for $89-$475. But can't see why one is 5X the cost.

Some people seem to have good luck with the Burris mount but the one I had failed on me twice. The adjustment lever would stretch over time then pop loose while shooting. Burris rapidly replaced it but it happen again. I use ADM for a quick release and Armalite for the scopes I don't swap around. My next mount will be a Spuhr mount, expensive but they have it all going for them.

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6 hours ago, mrmackc said:

This is the Burris mount rings I used on my DPMS LR308 

Burris 1" Xtreme Tactical Weaver-Style Rings Matte Extra-High

Burris 1" Xtreme Tactical Weaver-Style Rings Matte Extra-High

 

The rings are good and sturdy and easy to attach and remove from the top rail

  Same rings I use , they are solid as a Tank . I even have a set on my 12 ga. Slug Gun with its Cantilever mount.

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I like them I have one on my mini 14 (M14 Mount isn't the best, you have to remove the rear sight).   But the Bushnell .223 BDC 1.5 x 4.5 small tube is ok for the Mini 14. the 4.5x18 large tube Bushnell 4.5x18 .308 BDC is nice for some longer range shooting with the LR308.

I boresight with a Bushnell .308 and also a .223 cartridge case chamber laser and also a Bushnell muzzle laser boresighter at 25 yards, then sight in with an 8" bullseye Birtchwood Casey paper target at 100 yards at the range. works out pretty well for me out to 400 yards using the Bullet Drop Compensator sight recticals.

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4 hours ago, Sisco said:

I have the Burris PEPR non quick detach mount on my AR10T carbine and it works fine.

I had the same one on my .308, I ended up changing it out. I first thought it was my vortex scope, I couldn't get a good site picture thru the scope, I had to move my head all around to get a good look thru the scope. So I swapped out scopes and the other one I had did the same exact thing?!? Ended up switching the mount and I've been golden since. 

 

image.jpeg

image.jpeg

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1 hour ago, bubbas4570 said:

The PEPR that I looked through at a LGS sat too high for my tastes. But I do prefer scopes to set as low as possible,  depending upon the comb height and rifle type.

I agree with you! The one piece cantilever mounts all set higher than I like. I used a set of scope rings on my Matrix 308 build that puts the bottom of the objective bell a little less than 1/4" above the rail and it works great for me. On my 3 gun AR-15 which has a one piece cantilever mount I put a 1/4 riser on the CTR buttstock.to get the scope to line up with my eye when I shoulder the rifle.

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If the eyepiece isn't lined up correctly, and you have to move your head/eye around to center the eye in the correct spot for correct focus, then you will be forever "hunting" for that spot when looking into the scope.Having the scope set at the correct height for the corresponding correct cheekweld makes everything line up "magically" when done.  Just having that scope off one set of height adjustments (low to mid height rings for example) can throw off that "perfect" focus when mounting the rifle to look though the scope.

having that high ring mount style/system does nothing but cause me focus trouble, cheekweld position adjustments, and general "it isn't right" when using a wrongly set u rifle/scope combination. If you think about the way the older Russian style of scope mounting was done, that is the extreme example....no proper cheekweld possible, scope set WAY above the bore line of the rifle.....you get the point.

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