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Old 11-14-2019, 06:35 PM
Bionicman
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I need to stimulate this board



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I keep thinking of what could be built, I know the fella on the 5mm forum did a CZ as a single shot, so I got to looking at repeaters and the strongest action out the seems to our Australian made Lithgow 101 crossover

3 rear locking lugs made in 17 HMR & 22 Magnum so one of these magazine should feed

let the debate begin

John
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Old 11-14-2019, 07:56 PM
50Shifty
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I asked a similar ques on another post but have not much response,hope you do.
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Old 11-14-2019, 10:19 PM
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Try a 5mm in the magazine. They are fatter and shorter than 17HMR or 22WMR.
Base diameter for 5mm is .320" length is 1.260"
22WMR and 17HMR is .290" length is 1.317
Look at bolt face and firing pin location. Might work?
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Old 11-15-2019, 12:04 AM
Bionicman
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The Lithgow uses a CZ magazine, if anyone has one and a couple of 5mm rounds could they check against the 22 mag & 17 HMR

Unfortunately I live some hours from a dealer so I can't just pop into a store and check but golly if that magazine could be tuned I can't see why it would'nt work.

One thing that concerns me is I read the rim of the 5mm has to be completely enclosed this explains the weird way the 591/592 extract I guess but if one was built on a CZ I really can't see why this much stronger action would'nt work

John
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Old 11-15-2019, 12:46 AM
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Weak cases

You heard correct. The brass on the 5mm rimfire ammo is weak for the chamber pressure. Even when fired from a single shot TC Contender, the brass will have a deformation where the extractor is because it wasn't fully supported. The centerfire conversions tend to have heavier walled brass (either converted 22 Hornet or made from raw stock) and I haven't had the deformation problems with them.
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Old 11-15-2019, 01:40 AM
Bionicman
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I had the Schroeder conversion, bolt head, dies & cases but sold it on because it was a problem in the 592, I would have had to alter the feed lips and I was worried that would effect feeding of rim fire ammo.

Ive been looking for some time to find a rifle that would make a better rifle than the em 592, ive got a H&R 157 the full wood model in 22 magnum and was looking at doing a stub barrel fit up, but the Lithgow just looks like it would work

Did someone here add a second action screw to a 591 or 592 Curious to see how it was done

John

Last edited by Bionicman; 11-15-2019 at 04:42 AM.
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Old 11-15-2019, 01:14 PM
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Quote:
Originally Posted by Bionicman View Post
The Lithgow uses a CZ magazine, if anyone has one and a couple of 5mm rounds could they check against the 22 mag & 17 HMR
John
I tried a 5mm in a CZ mag. No go. Mag not wide enough.
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Old 11-15-2019, 04:18 PM
Bionicman
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Party pooper

Thanks for trying that for me, modifying magazines can become a huge issue. Talking some others over here all pretty much agreed if that magazine feeds and I want to spend the dollars this rifle would work just fine

John
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Old 11-16-2019, 02:24 PM
Glass37
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Quote:
Originally Posted by Bionicman View Post
I had the Schroeder conversion, bolt head, dies & cases but sold it on because it was a problem in the 592, I would have had to alter the feed lips and I was worried that would effect feeding of rim fire ammo.

Ive been looking for some time to find a rifle that would make a better rifle than the em 592, ive got a H&R 157 the full wood model in 22 magnum and was looking at doing a stub barrel fit up, but the Lithgow just looks like it would work

Did someone here add a second action screw to a 591 or 592 Curious to see how it was done

John
The 592 is easy to convert to two action screws, the front barrel lug and the rear for the 592, should have a tapped hole in bottom front of the receiver ala 591. Just have to drill the stock, but that 591 action screw is an issue unless you know someone that can make one. A flat socket head allen screw might work. Also this only works if you are willing to remove the feed tube.

Last edited by Glass37; 11-16-2019 at 02:29 PM.
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Old 11-16-2019, 04:56 PM
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Hmmm.... can you convert a Lithgow to use a 592 or similar tube feed system? Notice is said you and not me!
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Old 11-17-2019, 06:53 PM
Bionicman
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Hush, now you hush up with those ideas a little more water in whatever your drinkin

Thanks for the tip on the extra screw will pull it down when I get back from the hideaway, hoping to get a few rabbits this trip instead of just working on the old house

John
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