I recently built my first AR10 and the only thing I lack now is a scope and scope mount. So I was wondering if I should get a 20 Moa scope mount or not. The gun has a 20 inch Ballistic Advantage 6.5 creedmoor Barrel. I’m planning on picking up a Vortex viper pst 2 5-25x50.
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20 MOA scope mount or not?
- Thread starter Kwalla22
- Start date
I’d say yes.
You should get about 50 MOA of dial up which will get you to 1125-1400ish.
You should get about 50 MOA of dial up which will get you to 1125-1400ish.
Costs nothing additional to give yourself a clear advantage at long distance, and keeping closer to the center of range of scope adjustment. I’ve done same on all of my 6.5CM and Grendel AR’s.
I’d verify what your friend suggested before accepting it as fact. What brand and model is the receiver? Not aware of any AR’s with 20MOA built in, but not to say there aren’t any.
You should be able to see the cant in the rail then fairly easily.
I can’t think of any uppers with built in MOA as you’d have to integrate it with the fore end as well or it would look silly and cause a few issues with and without.
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Your colleague is an idiot, the only receiver sets that have 20 MOA built in to them are the LaRue OBR rifles with their monolithic top rail. 20 MOA for Large Frame and 10 for small.
The only way that Aero set has MOA is if you're running a 20 MOA Riser or Scope mount.
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I just picked up one of those Vortex precision mounts and I must say they are quite nice, it didn't fit my current needs but I was impressed by the machining work.
Another one I'd recommend that gets overlooked a lot is the JP Scope Mounts, they're solid as a F***
Just to clarify, the vortex precision cantilever mounts are made by seekins. I have a couple of the other lower priced vortex mounts and they aren't as well built obviously you get what you pay for...
Yeah that's what I just bought not too shabby. unfortunately I've got to send mine back because it's a bit too long for me to run with my 45° offset
Never used that mount but it looks fine, & the better Vortex stuff is good...............I like ADM & Bobro. Hard to not like Spuhr & Geiselle but I have to take out a mortgage to buy them.
MM
I have 20 MOA mounts on my AR-15 SPR, DPMS LR-308 SASS and the RPR already has 20 MOA on the rail. I went with the Nikon mounts with 20 MOA cants and it's worked out just fine. The SPR and SASS has very little recoil so the mounts are very stable on them. On my AR-15 I have 30 mils of elevation which i'll never use hahaha...
I shot this rifle the other day with a loaner scope and cheap ammo. I forgot the Allen key to adjust the gas block so it’s pretty over gassed but I’m decently happy with it so far. My big scope and mount should be here Friday. I can’t wait to finally have this rifle done!
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either or my rpr has a 20moa base my cmmg has a flat base some time you feel like a nut sometimes you don't .
For the 6.5CM, 260 Rem, or 308, I'd be adding in the 20MOA slope to the mounting setup.
For 223/5.56, or 6.5 Grendel, probably not; because I want to stay within realistic performance expectations from the combination of the chambering and my own abilities.
I don't want or need to use these chamberings beyond MR distance, 600 or so yards. I doubt I'd be able to handle wind calls/corrections for them beyond 600-800yd, and by the time they're out there, even with a good hit, terminal performance becomes questionable, IMHO.
For shots beyond that, I've got 260 and 308 platforms, and they'd carry the mail decisively.
IMHO it's about choosing the right tool for the job, and employing a decisive advantage within that environment.
Greg
For 223/5.56, or 6.5 Grendel, probably not; because I want to stay within realistic performance expectations from the combination of the chambering and my own abilities.
I don't want or need to use these chamberings beyond MR distance, 600 or so yards. I doubt I'd be able to handle wind calls/corrections for them beyond 600-800yd, and by the time they're out there, even with a good hit, terminal performance becomes questionable, IMHO.
For shots beyond that, I've got 260 and 308 platforms, and they'd carry the mail decisively.
IMHO it's about choosing the right tool for the job, and employing a decisive advantage within that environment.
Greg
Took it out to the desert today to sight it in and tune the gas block. Pretty impressed!! The spray paint group is with either Winchester white box 125 grain or S&B 140 grain cheap ammo. In fact I dialed up for 500 and hit the gong first shot with the S&B. Very pleased. I can’t wait to stretch it out further. Thanks everyone for the advice!!
