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Old 03-09-2019, 05:21 PM
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Chassis for the Izhmash Biathalon is here



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It's finally here. Joe at Accurate Rifle Systems ( http://www.accurateriflesystems.com/ ) made me a chassis for my Izhmash Biathalon 22 rimfire, this is the first one he machined but he can now make them to sell. I wanted this gun to try NRL and PRS style matches this summer, the action on these things are so fast and smooth I really thought it'd be a great gun for this discipline of competition but the small wooden stock left a lot to be desired.

I shot it today for the first time and it will take some getting used to, it's definately a different feel than the heavy target rimfires I'm used to shooting. I put an SWFA 3-15 SFP DM reticle scope on it since I thought the diamond reticle would allow easy quick acquisition of targets fast and the floating dot to be more precise when needed. Will have to play with it some to see how it works out.

I did experiment some with changing the magnification from lowest power to a few in between and the highest power at varying distances from 25 yards to 197 yards and the POI did not change. I was a bit worried about this and hoped it would stay the same while cranking the magnification back and forth and not worrying about still being on target. Being SFP I'll have to do some figuring on hold over or under since everthing is based on being on 15 power.

Didn't have time today to track the scope or put a good level on it but it still hovered around 1/2" at 50 yards with Wolf MT. It isn't as rock solid as my target guns due to a bit of slop in the sliding adjustment assembly for the bipod but just as I was getting ready to put everything away I tried loading it and it really tightened up and I'm sure the groups will tighten up as well. Will experiment with that tomorrow, I usually just let my heavy rimfires lie there without much input for best accuracy but this one seems to like it to work best.

Workmanship it absolutely topnotch, there is still a small piece they are working on for the safety but I have an idea after using it today to finish that up. I was going to have it anodized black but after seeing the raw silver with the red/black additions I was sold. I've always been a sucker for leaving machining marks on things to show off the craftmanship so it'll probably stay this way forever but he does offer a wide array of colors and options on his chassis.

Not sure what it weighs but it's comparable to a centerfire set up the same way, I like a gun to be on the heavy side since it sits and hides slight variances in position and shooter input especially with the crazy positions they shoot these matches. Overall I'm very pleased and it offers a great option to the wooden stock on these great guns.





















Topstrap

Last edited by Topstrap44; 03-09-2019 at 05:36 PM.
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Old 03-09-2019, 05:42 PM
Silas

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That's a mighty snazzy hunk of metal.

Price??
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Old 03-09-2019, 06:12 PM
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I believe the basic chassis is $500.00, A call to Joe for pricing and information would be better than me trying to give prices. Additions are extra but the more you get the cheaper they get. Really don't need any of the baracade stops, bag slider or bipod slider. The front picatinny rail comes off so a bipod stud can be screwed in or a 2" spacing mount such as the Rempel mount will fit to create a very solid mount for bench shooting.

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Old 03-09-2019, 06:21 PM
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Very nice.
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Old 03-13-2019, 07:45 AM
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Quote:
Originally Posted by grg View Post
Very nice.
All I can say is Wow! "Very nice" is an understatement, for sure. That's a LOT of machining work, looks like very fine craftsmanship.

For Topstrap--That stock is over the top cool. Is that a "quick adjust" handstop I see? Press the lever and put it where you want it? Also, is that an anodized or just "as machined" finish on the stock? What diameter barrel could be comfortably fit into that stock?

Edit- missed the part about you were going to possibly HAVE it anodized...

Last edited by Triggershoe; 03-13-2019 at 07:48 AM. Reason: Anodizing..
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Old 03-13-2019, 08:43 AM
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This stock is a one of a best made for this rifle! However, rifle has lost it's proportional look. Even it could become a good shooter, barrel seems too short and that is ruining overall impression. I am understand all reasons beyond this solution, but among others successful solutions one perfect could be recognize by it's exterior design where engineering power could be seen in every line. Based on all attempts I was able to see, this rifle seems to be hard to adopt.
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Old 03-14-2019, 03:29 PM
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http://https://youtu.be/DyBULa8kCHwThere are two shaped baracade stops that can be used individually or in pairs and be slid along the rail. Really handy for placement where needed. The barrel channel can accommodate a 1 inch barrel. He also makes this chassis for most other rimfire rifles.

It really doesn't look out of proportion in person, it's not a dedicated bench type target gun, the NRL/PRS is shot in varying positions and off of or thru many types of obstacles. Shorter barrels are an asset when you may be putting it in and pulling it out of holes or step ladder rungs.

Maximum velocity is also achieved around this barrel length and weight is also a factor, just heavy enough to be stable but light enough to be maneuverable quickly and easily

Not for everyone but it's something we wanted to try, especially with this type of action.

https://www.youtube.com/watch?v=DyBU...ature=youtu.be

Topstrap

Last edited by Topstrap44; 03-14-2019 at 03:59 PM.
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