Originally Posted by jagsr71
This is my first post here. Great site and some very good reads!
I have just purchased a DPMS chambered in a .260 Remington. It’s an absolutely beautifully made rifle. I love this caliber and can’t believe it’s not more popular!
My question is regarding a Sightron SIII SS 6-24X50 LRMOA scope I just bought for it.
On my other AR15, I mounted a Nikon Monarch scope with a one piece Larue LT-104. It's cantilevered forward for proper eye relief (as that is an inherent issue with AR's).
However, I was recently informed that the AR10 (style) rifle does NOT have that issue and that the mount need NOT be cantilevered forward.
Is this correct?
I'm going to answer my own question here since I've done extensive research in this area.
It doesn't hurt to get a cantilevered scope mount (like a Larue LT-154 or LT-104) on this style of rifle. It all really depends on how good the eye relief is on your scope. The eye relief is excellent on my new Sightron SIII SS 6-24X50. Therefore it's not really necessary in my case. Also, because this scope also has wonderful windage elevation travel of 100, purchasing a scope base that has a built-in MOA cant for long range shooting is probably not necessary.
However, if your AR-10 style rifle does need a base that has a certain amount of MOA cant, a few that will work really well are the AADMOUNT (w/ 22 MOA built-in) and the Larue LT-112 (w/ 20 MOA built-in) and the NF Unimount (20 MOA). The LT-154 is canted 10MOA and is also cantilevered.
Last note here is that a tactical latch may be desirable for scopes that are mounted too far back or that are too low (to comfortably pull the charging handle).
There many of different brands available.