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#21 |
Lifer
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Always good to hear from you Ron! ... As mentioned, we are going to wring out any and all possible avenues that will enhance our sport / target effort.... The sport part dictates cost effective and affordable, and the target part as much precision as we can afford, or as required? My original plan would include barrel, mainspring, and hopefully a magazine... Labor options would be barrel install, and rear sight mod, range test...... I'd like to offer trigger work down the road, but fear liability in this area would nullify the whole effort?.... I have an idea on how to make a drop in improvement on the Luger trigger, but that's still a "workshop secret" at this point, and besides, right now, "my plate is really full and my fork is pretty small!" ....
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#22 |
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Ok, time to wrap it up, and I would like to thank Sheepherder for the moral and technical support he provided for this part.
![]() The ramp cut was pretty straightforward, I set up the barrel for a cut 50 degrees off the centerline and cut it with a 10mm end mill. It's fresh out of the mill in the picture, so it still needs a little blending to break the sharp edges. One thing that puzzles me is the width of the original ramp. The drawing shows a straight ramp with a 5mm radius, but making that cut with a straight 10mm end mill creates a ramp that's more like an ellipse where it intersects the end. After eyeballing and gauging several original barrels I realized that these cuts are not cylindrical. They actually taper a bit, thus creating a wider throat at the bottom. I have seen similar ramps on barrels made for rapid fire with double stack mags (the M4 ramp comes to mind), but I can't see that it would be of any benefit on a single stack semi-auto. I guess the original shape is just a result of anal German engineers trying to follow a drawing that wasn't fully thought out, and a straight, cylindrical cut should actually work better IMO. The extractor cut was a bit more challenging due to its shape. You can cut this with straight cutters and then use needle files to round it off, but after a few hours on the internet I found a corner rounding end mill that could do the job without any hand adjustment. The dimensions are slightly different than on the original drawing, but the objective is a nice cut with ample clearance for the extractor so the actual dimensions are not extremely critical. I checked for clearance by holding a breech block against the finished cut, and it fit nicely. This concludes my part of the project, so the barrel is boxed up and will be heading for AZ today. Just some finishing work and installation left to do, then it's ready for the range. ![]() |
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#23 |
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GT,
What are you planning to use for a recoil spring, as you are adding a significant amount of weight to your upper? Lugers don't need heavy or fat barrels to shoot accurately. Improving the sights and trigger pull should be enough. Just my experience. Sieger |
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#24 |
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Ditto.
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#25 |
Lifer
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Of course you fellows are correct!......
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#26 |
Lifer
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I have a lot of 9MM mainsprings, and there is quite a bit of variance in those?? I'll start with a WW1 DWM 9MM spring for a standard 4" and we'll adjust from there?... I hope it works right outt'a the bucket! ......
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#27 | |
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#28 |
Lifer
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Yes! I certainly hear you on the eye sight and age... With my vision, I don't really need sights anyway! .....
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#29 | |
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On the other hand good .30 ammo don't grow on trees. Last edited by kurusu; 08-04-2015 at 08:34 AM. |
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#30 |
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Eternal Lifer LugerForum Patron Join Date: Jun 2002
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#31 |
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#32 |
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Balance and looks are both a matter of personal taste. Personally, I like a little bit of weight up front for target shooting. If it’s “just right”, it will require enough strain to give it stability, but not enough to make you shaky after a few rounds. It also reduces muzzle flip and makes for more accurate follow-up shots in rapid fire drills. Other people (especially the young’uns who still have steady hands) may like a lighter and more neutrally balanced pistol better. And of course, some wouldn’t even look twice at a bull barrel just because it’s not an original style. There’s no right or wrong, it all boils down to your own opinion, and like Dirty Harry said: “Everybody has one”.
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#33 |
Lifer
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Well, have to wait for back ordered Mauser front blade, so tapped in tall original front sight blade and headed for the range! Gun performed flawlessly!!!!!! .....
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#34 |
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So, I have the first Target Sport GT Special !!
![]() I have three 9mm special barrels. 6 inch with target front sight 8 inch long barrel (both work fine with normal rounds) New TS GT Special I have not shot it, since it arrived today - will try to make it to the range in the next few days |
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#35 |
Lifer
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Hi Ed! Nice herd! I love the shooter stable! Yes! The first, the prototype, and the only specimen so far! ......
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#36 |
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I don't know why, but I think I want one!
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#37 |
Lifer
Lifetime Forum Patron Join Date: Jun 2002
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Hi Aaron! I've just posted in the for sale section...
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