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  #1  
Old 03-11-2018, 04:40 PM
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17hm2 bolt



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JWH competitor bolt for 17hm2 on left . stock bolt on right with 3/8 tungsten weight and for the JWH i found a scrap piece of tungsten bar i think will work.

Last edited by 22/silencer; 07-07-2018 at 09:21 PM.
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Old 03-11-2018, 06:19 PM
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from what i have read the Volquartsen 17hm2 bolt, weight was 222grams.
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Old 03-11-2018, 07:24 PM
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Should be interesting. Does the Tungsten weld very well with steel or how do they attach?
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Old 03-11-2018, 07:34 PM
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drill and tap just like volquartsen bolt
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File Type: jpg 17hm2g4.jpg (83.1 KB, 436 views)
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Old 03-11-2018, 08:46 PM
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Originally Posted by nodak View Post
Should be interesting. Does the Tungsten weld very well with steel or how do they attach?
Should look just like your vq bolt, lf not what does your bolt weight?
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Old 03-12-2018, 12:06 AM
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Should look just like your vq bolt, lf not what does your bolt weight?
I don't gave a scale at home but I'll see if the PO will weigh it for me.
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Old 04-27-2018, 04:19 PM
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i have had a little time. just about done with the bolt, need to mill the bolt hold open slot.
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File Type: jpg 17hm2jwh.jpg (115.8 KB, 373 views)

Last edited by 22/silencer; 11-24-2018 at 08:48 AM.
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Old 05-22-2018, 07:07 PM
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well i just put the jwh bolt with the blue spring in a stock Ruger receiver with a stock housing with a magnum hammer spring and 20in barrel shot 10 rounds so far i like it .
ejects brass about 3:00. hope to get 3 days off to test with new cci and the old cci 17hm2. when i get my camera back and more brass on the ground will take a picture of the brass and gun.

Greg.
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Old 05-23-2018, 12:06 AM
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I apologize for not getting that bolt weight. Haven't had to disassemble yet. Still runs like a clock.
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Old 05-28-2018, 08:25 PM
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well i shot 250rd. 100rd of cci old stock, 50 rd of the new ones, 50rd of old Hornady
and 50rd of the new ones. no bulge cases or kaboom.the old hornady did domed the end of the case were the fireing pin hit. and i had 27 of the old cci split the case. but no bulge or kaboom. now to run a lot more through it and see if keeps on shooting the new lot of ammo with out a problem. i had 20in barrel stock receiver and a magnum hammer spring in a stock trigger housing . with a jwh bolt that was modified bolt to increase the weight.

Greg
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File Type: jpg DSCN1107.JPG (145.6 KB, 239 views)
File Type: jpg DSCN1109.JPG (186.5 KB, 237 views)

Last edited by 22/silencer; 05-28-2018 at 08:30 PM.
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  #11  
Old 05-29-2018, 02:18 AM
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It looks like your project is coming along just fine. Keep it up.

Aloha, Mark

PS.......so I took some weight measurements of my E.A. BROWN CO. conversion bolt handle that was used in their Ruger 10/22 to .17 Mach 2 conversion kit . Parts for the E.A. BROWN CO. conversion is no longer available. Is that a hint? So then, with the E.A. BROWN kit you were suppose to use their barrel and their specially weighted handle. You would use your own factory bolt. As for the springs....I'don't know.

WARNING, everyone that is considering this conversion should use extreme caution. Very bad things could happen. "KaBoom" is only one factor. Permanent Injury and Property Damage could also occur. If you still wish to EXPERIMENT with making your own parts.....don't say that you weren't warned. Good luck.

The KaBoom thread: https://www.rimfirecentral.com/forum....php?t=1134561

These photos are for educational purposes. Weight is in grams.




Last edited by ma96782; 09-17-2018 at 02:17 PM.
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  #12  
Old 05-29-2018, 07:46 AM
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Hope the success continues for you, it's a great little round.
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  #13  
Old 05-30-2018, 09:51 AM
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Through all those rounds did you stop to clean the chamber or did you run them all without cleaning?
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  #14  
Old 05-30-2018, 11:38 AM
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Have not clean it yet.was trying to get to the 500rd mark be for i clean.
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Old 06-03-2018, 10:00 PM
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Scaled the VQ 17hm2 bolt and a JWH Comp bolt. Both with handle and recil assembly.
VQ = 8.684oz
JWH = 7.079oz

Looks like the VQ is 4/10oz less than yours. Likely why yours runs so well. Anyway, real good job on your bolt
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