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Questions about 10/22 WMR/17 HMR

D1D1 Member Posts: 11,412
edited November 2007 in Ask the Experts
I got a deal today on a Ruger 10/22 magnum, NIB for $200.00. I couldn't believe it. I am going to put the 17 HMR barrel and polymer stock that I have on it. Do I have to make any other mods or changes to the 10/22 WMR receiver to accomodate this caliber? I also would like some suggestions on optics for this weapon. Thanks, DRJEW.

Comments

  • NwcidNwcid Member Posts: 10,674
    edited November -1
    After swaping the BBL you should be good to go. I have one of the BSA "sweet 22" scopes in a 2-7x32 on my 77/22 and it seems to work well so far. It has a built in BDC but I have not had time to play with it and see how well it works. I know they make one as the "sweet 17" set up for the 17hmr as well and they come in several powers. They have good adjustments and very clear glass. If you are looking for a good inexpensive scope this is the way to go as I have heard nothing but good about these scopes.


    BTW Great deal.
  • BHAVINBHAVIN Member Posts: 3,490 ✭✭
    edited November -1
    Great deal! I believe that you have to have a heavier bolt so that the 17 HMR does not beat up the receiver. Check the Volquartsen site maybe. I bought my 10-22 mag (used) with a synthetic stock and a polymer shrouded comp barrel to do the same thing. Turned out the gun shot so well that I just kept it as is except that I added a Volquartsen hammer pack.
  • luv_the_huskersluv_the_huskers Member Posts: 277 ✭✭✭
    edited November -1
    Check the guys over at Rimfire Central.
  • heavyironheavyiron Member Posts: 1,421 ✭✭✭
    edited November -1
    Hi,

    No, you do not have to make any other mods or changes doing this conversion - that is unless you want to do some enhancements.

    I converted a Ruger 10/22 Magnum into a 17HMR several years ago after the 17HMRs came out but before the gun companies came out with their models. I used a Jarvis target barrel with factory contour to keep the original wood stock.

    Although it is not necessary when converting to the 17HMR a drop in trigger, extra power extractor, and recoil buffer will certainly enhance performance of your new rifle. An after-market drop-in trigger can lower the pull down to about 2 pounds which will also help increase accuracy. Since the rifle is being converted from a straight wall case to a bottleneck case and a tighter fitting chamber, the extra power extractor helps in ejecting the fired case. A recoil buffer helps to reduce recoil impulse on the bolt carrier.

    A variable 3x9 scope is a good option for the this round.

    Ruger_10_17.jpg

    Ruger_17HMR.jpg

    Hope this helps.

    Heavyiron
  • SP45SP45 Member Posts: 1,761 ✭✭✭
    edited November -1
    You need an extra power recoil spring and heavier bolt handle as a minimum. If you don't it will beat the receiver. This is also done to delay blowback until the pressure has dropped to a safe level. Yes it will work without modifications but will eventually damage the receiver and possibly have case head seperations. I have seen the buffer pin bent from increased recoil. This is why Ruger no longer makes the magnums.
  • heavyironheavyiron Member Posts: 1,421 ✭✭✭
    edited November -1
    Hi,

    I think an extra power recoil spring is a great idea.

    The Ruger 10/22 Magnum to 17HMR does not have the prerequisite for a high mass bolt handle as does the Ruger 10/22 to 17HM2 conversion.

    Ruger 10/22 22LR can only be converted to the HM2. Because of the higher pressures, the original bolt carrier does not have enough mass to keep the breach closed long enough. Most after-market conversion barrel manufacturers recommend a high-mass bolt handle to resolve this issue with the Ruger 22LR conversion to 17HM2.

    This is not the case for the Ruger 10/22 Magnum conversion to 17HMR. The Ruger 10/22 has a receiver made from steel compared an aluminum receiver on the Ruger 10/22 22 LR. The bolt carrier is also heavier and can withstand the 17HMR pressures. Receiver pins can also bent by the 22 Magnum.

    Regards,

    Heavyiron
  • gunnut505gunnut505 Member Posts: 10,290
    edited November -1
    If you're worried about battering the bolt stop pin; cut some surgical tubing or slingshot rubbers to fit inside the receiver, and slide it over the pin.
  • cce1302cce1302 Member Posts: 9,555 ✭✭✭
    edited November -1
    I'd agree with a visit to volquartsen.com. their trigger is great and will help you with accuracy & consistency. they have a ten dollar polymer recoil stop pin that I use on my 10/22.

    Have fun!
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