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Posted: 5/12/2008 11:01:49 AM EDT
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I plan to order a Burris Fullfield II 3-9x40 TacII Scope. Can anyone give me some mounting recommendations for this scope. I hear great things about Larue, but I was just wondering if anyone used a different manufacturer for their scope mounts. Thanks again. Cassidy |
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The inserts reduce the ring diameter from 30mm to 1". Rings work fine for some people, but put the eyepiece too far back for others, depending on the stock and how you like to shoot. The thing to look for is where the eyepiece is relative to the charging handle when it's set up the way you like it. Rings put the eyepiece behind the charging handle, and some mounts put it in front. Any solid rings that put the centerline around 1.4" are a good place to start, or a one-piece mount like the LaRue or Armalite. If you don't mind the cost, it's hard to go wrong with the LaRue. Here's the Big List of one-piece mounts: www.maxicon.com/guns/optics/one_piece/ar15_onepiece_mounts.htm |
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The ARMS QR design isn't as reliable as the LaRue, according to reports (I don't have either). LaRue also makes rings, I believe. Whether eye relief is a problem depends on how you shoot, and what kind of scope and stock you use. Some people are OK with a scope mounted directly in rings, but many find it puts the eyepiece too far back. The only way to tell is to figure out where your scope needs to be and see if rings on the flat top would put it there. Take a look at the picture above - it shows where the eyepiece is relative to the charging handle. If that would work for you, you're GTG. For affordable QR rings, Warne Maxima are available in an AR compatible height, and work well. Not as sturdy as ARMS, but they work for most AR applications. |
| My plans are to get a Magpul PRS stock and a 20" wilson barrel. I got optics first just so I can try the ar out at longer ranges. Next will be the barrel and freefloat handguard, then the stock. I'm a college student, so money is tight and I am trying to get the best value for my buck. I think this project is going to end up around a $1500 investment. I'm thinking I should just sell the STAG and start over with a varmint rifle for around 1100. What do you all think? |
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Any AR will have the same issue - a varmint rifle won't be any different. It's all about your shoulder mount, cheekweld, and where the scope is in relation to that. Varmint rifles also tend to be heavy and long, and aren't nearly as much fun for plinking, IMO. A standard Stag is plenty accurate for most uses, especially if you're going to be shooting plinking ammo through it, rather than premium target ammo. With a longer stock, like QUIB's A2 stock in the picture above, the scope can be further back and still have good eye relief with a solid cheek weld. With an adjustable stock, the further in it is, the further forward the scope needs to be. One way to tell is to set up the rifle the way you like it, mount it to your shoulder and get the cheek weld you'd normally shoot with, and have someone move the scope back and forth until you get a good sight picture. Check where the eyepiece is relative to the charging handle, and where rings would need to be to keep the scope in that position. Again, eyepiece location relative to the charging handle is the key to where the scope needs to mount. If you can mount rings and get the eye relief you need with the stock position you like, you're good with rings. If you need it further forward, you'll need an extended rail or a one-piece mount. If you need quick release, that reduces the selection and increases the cost. Either way, there are a couple of options: - Go with a LaRue SPR mount. Expensive, yes, but a good mounting solution for most non-illuminated scopes (illuminated scopes may need the SPR-E0. - Try whatever rings you think will work (ARMS rings, Burris XTR, Warne, whatever). If they work, you're done. If they don't work, you'll get a portion of your money back by re-selling them (and ARMS gear holds its value pretty well), and can try again. - Try a flexible, inexpensive solution, like the the YHM extended rail and whatever rings work to bring it up to around a 1.4" centerline. This'll let you figure out what works for you and adjust it on the fly, but is still solid and pretty reliable. Once you figure that out, you'll know what to get in the expensive mounts or rings. |
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You have to choose if you want QR or not. Then if you want a riser and rings or a one piece scope mount. I went with a Larue QR riser and TPS steel medium rings. This is a nice solid setup, my LOS is 1.7 above the rail. Riser and rail, gives you more options for mounting when you have the parts in hand. One piece might be lighter, but you have to live with it's sight height. Millet makes a cheap riser and rings for $80ish. My TPS Larue was $205. A YHM riser and Burris tactical rings could be had for $90. Armalite makes a one piece for like $80ish. A Larue 1 piece is $200 - $225. |
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Alright well I got the scope in today and checked out where it should be mounted. I think I am going to go with traditional rings. I am having problems locating rings of good quality with the height stated in the add. I have ARMS BUIS and want to make sure I get rings high enough that the BUIS and the scope will not come in contact with each other. If anyone knows information on these issues, please reply and if anyone else knows of good rings that will also aid to my puchase. Thanks in advance Cassidy Bond |
Here's how to figure what centerline height you need to clear your BUIS. If it's an ARMS 40, you'll need really, really tall rings. If it's a 40L, you'll only need very tall rings  .Measure your scope eyepiece diameter, with any flip caps you'll be using, and divide that by 2. Add that to the BUIS height. This is the minimum ring/mount centerline height you'll need for the scope to clear the BUIS. For example, the DMS-1 eyepiece is 1.7" diameter. Half that is 0.85". An ARMS 40 is 0.95" tall, so you'd need rings 0.95" + 0.85" = 1.8" centerline (I don't think anyone makes rings that tall). The same setup with an ARMS 40L would only require a 1.46" centerline, which is right at the max height for some AR rings. Note that some rings are spec'ed for the height from rail to the bottom of the ring (like Burris XTR and Warne Maxima), while others are spec'ed from the rail to the centerline (like Leupold), so you have to check before ordering. Good quality rings under $100 that come in AR heights are Warne Maxima QD and Burris XTR. There are lots more in the higher price range, like Leupold Mk4, ARMS 22H, Badger, etc. These are usually called "ultra high" or similar, but be sure to check the spec for the height. Here are some popular BUIS heights: ARMS 40 - 0.950" folded (mine is 1.00" even) YHM-9680 - 0.840" folded (mine is 0.850") Matech - 0.75" folded MI ERS - 0.750" folded GG&G MAD - 0.625" folded ARMS 40L - 0.610" folded Troy - 0.460" folded MI MCTAR-SPLP - .4375" folded KAC 300m - 0.315" folded |
| I noticed that it would probably be impossible to find rings that high without investing in a YHM rail. So I turned back to the 1 piece mounts. The tallest 1 piece I could find was a model 1 scope mount, which is reasonably priced and I think it may work out with my set up. I think I'm going to pick this mount up and try it out. If it doesnt work I guess I could always just return it. I havnt heard bad things about the mount but there's also not a lot of information on here about them. we'll see i suppose. |
I am using Leupold Mk4 Super High rings. $140 delivered from www.snipercountrypx.com/c-963-leupold.aspx Great option. And you can get them in 1" too!  Highly recommend Scott at SC.
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