Review: Precision Rifle Products Right Height Scope Tool

Ever guess what height scope ring you should buy and they turn out too short or too tall? Lord knows I have. Precision Products has come out with the Right Height Scope Tool to help avoid problems just like that.

The Right Height Scope Tool arrived in a retail ready package with easy to understand instructions.


After I dug all the components out of the package I laid them out and looked over the instructions. It was very easy to understand and all the hardware was safely contained in a small bag.


Here is the dovetail risers attached to the scope cradles. I planned on trying the tool out on my Remington 552 Speedmaster first.


Fitting the scope tool to the dovetail mount on the 552 was really easy, they fit onto the rail tight and provided a stable mount to accurately gauge the best ring height.

P1010303 P1010307

The next step was to lay my el cheapo Tasco scope into the cradles. The cradle has two sides to it providing the right size cutout for whatever scope you might have laid in there.


Since the cradle was far too high I pulled the scope off and loosed the thumb screws to slide the cradles down.


I bottomed the scope tool out in hopes that it would be low enough. I was in luck, enough clearance with just enough height to make a proper cheek weld possible.


You can see on the back the measurement markings.


I dug through my box of random scope rings and found a pair that would fit the bill nicely.


Since I was waiting on a new barrel and handguard for my SPR (Special Purpose Rifle)┬ástyle build I decided to break out my SBR to try the scope tool out on a flat top AR-15. The risers we a bit too snug and the plastic it is made of wasn’t quite tough enough to withstand the 1913 rail. You can see the bits of plastic all over the top rail.


I had a cheap scope laying around so I laid that in the cradles. The process is just like before, after laying the scope in place I loosened the thumb screws to slide the cradles into place.


Again the height markings help you easily decide how tall your rings need to be, with this information you can get onto a ring manufacture website and select the perfect fit.


Looks pretty ridiculous on my SBR … I don’t think I will be ordering rings for this.


As I said earlier, the plastic the risers are made from was chewed up pretty easily by the 1913 rail on the AR upper. I don’t think they would survive more than a dozen uses on Picatinny rail.


The Right Height Scope Tool is available directly from Precision Products. It carries a MSRP of $19.95 AUD and $14.00 in the USA. You can learn more about the Right Height Scope Tool at the Precision Products website or the order page. If you are building a precision rifle or are about to order some high dollar rings looking into the Right Height Scope Tool might be worth the $20 spend to make sure you buy the right part.

Phil Note: I came by this product when the designer contacted me. He lives in Australia. At this time the product will most likely ship from there.

Patrick R

Patrick is a Senior Writer for The Firearm Blog and TFBTV Host. He likes guns and has liked shooting guns for as long as he can remember. You can follow Patrick on Instagram @tfbpatrick, Facebook, or contact him by email at

The above post is my opinion and does not reflect the views of any company or organization.


  • Julio

    This seems a great idea for a tool, even if the execution lacks a bit of finesse. Do you think the M1913 rail is actually degrading the support or is it just trimming it to size?

    • Precision Rifle Products

      G’day, Depending on which 1913/weaver rail is used there can be a slight skim of plastic off the tool to get it to fit. There is actually a bit variance between manufacturers tolerances of the 1913 std and we have gone with the average size of all our test pieces.

  • Captain Obvious

    Scope height is determined by cheek weld and the size of the objective lens end of the scope. On most rifles, the stock/cheek weld is set for iron sights. Consequently you want the scope just high enough for the front/objective end of the scope to be as close to the barrel/receiver without touching. The lower the better. That means low or medium height rings. The lower you go the less you have to raise the cheek weld on the stock. ARs are a little different in that the stock is in a straight line with the receiver. Higher rings are necessary to get the scope up to meet the higher cheek position. Bottom line…if you have to raise your cheek off the stock to see through your scope it is mounted too high.

    • JumpIf NotZero

      Thank You! I saw this product, made no sense. Read the article, made no sense. Expected to see comments that made no sense – was happy to see yours.

      Scope height is a dependance, not a preference. If you do need to mount it higher because of objective, or a full length rail, or whatever, you need a new stock or at least an add-on riser.

      • Giolli Joker

        ” Bottom line…if you have to raise your cheek off the stock to see through your scope it is mounted too high.”
        What this tool does is allowing you to find out what this optimal height is, removing some guesswork from the picture.
        Is it that bad?

  • santi

    I think this is going to be of great use to me.

  • Grindstone50k

    Neat product. But I can take my rifles into my LGS and test out rings right then and there.

  • Budogunner

    I remember fussing and sweating over getting the right rings many times, particularly on precision builds where the rings were expensive or when I’d installed a 20 MOA base and didn’t know where that would put the Objective Lens given my eye-relief. I can see a place for this product in my life.