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40 moa 10/22 scope rail/ fixing barrel droop?

deersniper

Protecting the Sheep
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Minuteman
  • Feb 22, 2007
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    19,963
    Northeast
    Anyone know where I can get a 40 moa scope rail for a 10/22?

    I was thinking about putting a couple layers of tape on the front of the stock barrel channel to raise the barrel?

    I have a 10/22 with a tight tactical solutions barrel and Leupold 3-9x40 w/ target knobs. My scope is almost bottomed out just to get zeroed at 50 yards. I had to work pretty hard to get the barrel in, so I don't know how I am getting all this droop.

    I don't want to use an adj. v-block, they appear to be set by just a small set screw and that is not durable enough for my needs.

    Thanks.
    -dan
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: deersniper</div><div class="ubbcode-body">Anyone know where I can get a 40 moa scope rail for a 10/22?</div></div>
    The highest amount of cant I've seen for the 10/22 is 20 MOA. EGW makes their Extended 20 MOA Picatinny Rail, USO makes a 20 MOA Rail for it, and Tactical Solutions makes a 15 MOA picatinny Rail. All are aluminum. I've used both the 15 MOA Tactical Solutions and 20 MOA EGW units - the Tactical Solutions unit is better made and finished, but I like the extra 5 MOA of the EGE so I've been using that on my MOA 10/22.

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: deersniper</div><div class="ubbcode-body">I was thinking about putting a couple layers of tape on the front of the stock barrel channel to raise the barrel?</div></div>
    You could do that (that is actually what pressure pads are used for on 10/22 stocks - to raise the barrel up), but threading the barrel and receiver is the best way to permanently eliminate barrel droop. I recommend that you call <span style="font-style: italic">Randy</span> at <span style="font-weight: bold"><span style="font-style: italic">Connecticut Precision Chambering</span></span> for your 10/22 work. Randy specializes in 10/22 accurization. He can do all the work necessary to thread and recut the chamber on standard slip-fit 10/22 barrels and mate the barrel and receiver together as a single, rigid unit. You'll eliminate <span style="font-weight: bold"><span style="font-style: italic">barrel droop</span></span> and gain reliability and consistency while eliminating the need for the V-Block.

    <span style="font-weight: bold">EGW 20 MOA Extended Picatinny Rail on custom MOA 10/22 w/threaded Kidd barrel - no V-Block!</span>
    MOA1022BarreledAction8x6.jpg


    <span style="font-weight: bold">Shortened EGW 20 MOA Extended Picatinny Rail & Falcon 4-14X 44 FFP</span>
    MOA1022wFalcon4-14XRS8x6.jpg


    <span style="font-weight: bold">Tactical Solutions 15 MOA Picatinny Rail & Leupold Vari-X III 4.5-14X 40 SFP</span>
    MOACustom102258x6.jpg


    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: deesniper</div><div class="ubbcode-body">I have a 10/22 with a tight tactical solutions barrel and Leupold 3-9x40 w/ target knobs. My scope is almost bottomed out just to get zeroed at 50 yards. I had to work pretty hard to get the barrel in, so I don't know how I am getting all this droop.</div></div>
    It doesn't matter how hard it was to get the barrel in - once you install the V-Block and tighten the screws the V-Block pulls the barrel down. Take a look at the design - its' simple physics.

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: deersniper</div><div class="ubbcode-body">I don't want to use an adj. v-block, they appear to be set by just a small set screw and that is not durable enough for my needs.

    Thanks.
    -dan </div></div>
    Adjustable V-Blocks can help, but they're really just a Band-Aide to a larger problem - design compromise. The V-Block barrel attachment system makes it easy to swap barrels, but it sucks for barrel alignment, consistent positioning of the extractor groove, and also introduces barrel droop.

    Again, the V-Block pulls the barrel downward as the V-Block's screws are tightened. There is no way around this - period. Adjustable V-Blocks are a clusterfuck as well, with the set screw pushing up on the bottom of the barrel notch while the larger, stronger V-Block screws pull the barrel down.

    As I stated above, I recommend that you call <span style="font-style: italic">Randy</span> at <span style="font-weight: bold"><span style="font-style: italic">Connecticut Precision Chambering</span></span> for your 10/22 work. Randy uses precision machining techniques and execution rather than kludgey add-ons.

    Keith
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    You might contact Dan at Hawktech Arms . I believe he was talking to EGW about making a 30 MOA rail . I have a 25 MOA rail but its a Volquartzen that was custom machined by a machinist friend of mine and he said he wasn't interested in doing it again due to the extensive setup time .
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Aries64</div><div class="ubbcode-body">snip snip

    Keith </div></div>

    Thanks for the solid advice. For my next high end 10/22 build which probably won't be for a few years, I will use the threaded barrel/receiver. I don't really want to deal with that right now though.

    I know it doesn't solve the root problem, but a canted scope rail will get me where I want the rifle to be the easiest. I know it is a band-aid solution, but I think it should work solidly.
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Michael N</div><div class="ubbcode-body">You might contact Dan at Hawktech Arms . I believe he was talking to EGW about making a 30 MOA rail . I have a 25 MOA rail but its a Volquartzen that was custom machined by a machinist friend of mine and he said he wasn't interested in doing it again due to the extensive setup time . </div></div>

    Thanks, I will do that.

    -dan
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: frog5215</div><div class="ubbcode-body">Get the 20 minute rail, and a set of Burris Zees with ofset inserts. That will get you back in the middle of your scope's range. </div></div>

    I thought about that before, but I never really liked those rings for some reason. I may have to take another look.

    -dan
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    Another cheap down and dirty trick you can use is to shim the back end of the scope base . I did this on my daughters 10-22 and it works fine , just looks kind of tacky .
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Topstrap</div><div class="ubbcode-body">This isn't a cheap fix but would be the ultimate fix and also be transferrable to other guns. I have one now on my XP-100 pistol 7-08 and have a custom 10 position mount coming for my new 260 Rem long range pistol. I am only using 1/2 of the available adjustment even at 1000 yards with these guns.

    110 up and -5 down total MOA adjustment and can be custom made for way more than that if a customer needs it.

    Super nice and works extremely well for my needs on my pistol with a Burris 3-12 pistol scope even well out beyond 1000 yards.

    Watch his video on this site and he's using it on a 22 shooting nice groups at 250 yards.

    http://vgmount.com/

    Topstrap </div></div>
    Thanks for posting that. I'll stick with conventional bases and maintain my current level of optics.

    Keith
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Michael N</div><div class="ubbcode-body">If only they could somehow make it taller
    wink.gif
    </div></div>
    Thats' funny.

    Keith
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    My own fix is kinda quick and dirty. I simply shim under the rear of my scope base, until the 50ft zero is established about 5 MOA up from where the elevation adjustment bottoms out. Once established, this slope value is made permanent by glassbedding the scope base to the receiver with release agent on the receiver. If this slope becomes very significant (40MOA is about 2/3 of one degree), clearance between the scope bell and barrel can disappear, so check this when setting up the bedding process.

    Greg
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    If you haven't tried it then I wouldn't be so quick to discount it. Far better than it may appear although it may not be for everyone.

    I can see for certain guns it does make the scope much higher but since I use it on Speciality Pistols that doesn't affect me so it's not something I'm familiar with. Chris (the maker) doesn't seem to have any problems with it but it's probably something you have to get used to or adjust the stock to compensate for.

    For any shooting competition where you have various targets at varying distances and at extremely long distances it works great without having to be cranking on a scope. Just thought I'd post it since it is something that is many have but works great.

    Just trying to be of help to solve a problem that many run into with not enough scope adjustment or mount type to get to shoot multiple distances with extreme repeatability.

    Topstrap
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Greg Langelius *</div><div class="ubbcode-body">My own fix is kinda quick and dirty. I simply shim under the rear of my scope base, until the 50ft zero is established about 5 MOA up from where the elevation adjustment bottoms out. Once established, this slope value is made permanent by glassbedding the scope base to the receiver with release agent on the receiver. If this slope becomes very significant (40MOA is about 2/3 of one degree), clearance between the scope bell and barrel can disappear, so check this when setting up the bedding process.

    Greg </div></div>

    Didn't think about that, may try it. 40 moa may sound extreme, but my 1" leupold 3.5-10 is almost bottomed out at 50 yards.

    -dan
     
    Re: 40 moa 10/22 scope rail/ fixing barrel droop?

    I shimmed the rear of the scope and that solved the problem. But I was using a cheap scope from bass pro shot. I than swithed to an old bushnell banner which had a ton of elevation adjustment and took the shims out. Depending on the model you are using the Leupolds don't really have a lot adjustment 56 at the most, especially the VX1 models. I shoot all day from 25 to 200 yds without a problem.