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Custom Glock Barrel in 4.6x30?


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I've been talking with another member about different caliber options and we started talking about 4.6x30 - the HK MP7 round. 

 

Fiocchi and a few others actually make new production 4.6 ammo, I guess for SOTs and LEO/SMU organizations that use the MP7 platform - pretty affordable too for what it's worth $21/50..

 

Now - how difficult/implausible would it be to have a Glock barrel blank turned into one for 4.6? 

 

As far as magazines would it be plausible to have one 3D printer or modify a Glock 17/19 mag to accept the 4.6 round?

 

And also - anyone heard of dies or even components for the 4.6? It's gotta be available somewhere - especially since brass can be available

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Is the cartridge short enough to fit in a 9mm or even a .45/10mm length magazine? I know neither 5.7 or 7.62x25 is.

Edit: 4.6x30mmHK has an OAL of 1.516 according to Wikipedia. 10mm has an OAL of 1.260. I don't think it will physically fit in the magazine. Edited by nightrunner
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Is the cartridge short enough to fit in a 9mm or even a .45/10mm length magazine? I know neither 5.7 or 7.62x25 is.

Edit: 4.6x30mmHK has an OAL of 1.516 according to Wikipedia. 10mm has an OAL of 1.260. I don't think it will physically fit in the magazine.

Yeah you're right - the 4.6x30 is 6.5mm longer than a 10mm according to SAAMI specs

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I would like to see what is basically a 7.62x25 that is just short enough to work in a 10mm length magazine. Essentially a 10mm necked down to .30cal

 

The 10mm necked down to .356 (9X25 Dillon) already pushes 95gr bullets up to right at 2000FPS... I don't know how fast a ~70gr .30 cal could go.  I'd like to find out though.  

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This is where the the 22TCM9R comes into play. RIA is making glock replacement uppers. 1900fps from 5" barrel.

As a 22TCM connoisseur of sorts I have played with the standard round quite a bit. Even Frankensteined a single stack 1911compact before they came out with the commander length model.

Reloading can be tedious, as there isn't much margin for error in such a small bottle neck case. But it's an impressive round to say the least.

eta: Sorry for thread derailment
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As a 22TCM connoisseur of sorts I have played with the standard round quite a bit. Even Frankensteined a single stack 1911compact before they came out with the commander length model.

Reloading can be tedious, as there isn't much margin for error in such a small bottle neck case. But it's an impressive round to say the least.

eta: Sorry for thread derailment

 

Have you (or has anyone) done much testing with this round out of longer barrels?  Would something like a 7-8" barrel add much velocity, or does 4-5" burn all the powder you can cram in there already?

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Have you (or has anyone) done much testing with this round out of longer barrels? Would something like a 7-8" barrel add much velocity, or does 4-5" burn all the powder you can cram in there already?


I haven't even shot one but they make a bolt action sporter type rifle. Velocity is supposed to be 2100fps from the 1911 and 2800fps from the rifle. Both with a 40gr JHP.
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Have you (or has anyone) done much testing with this round out of longer barrels? Would something like a 7-8" barrel add much velocity, or does 4-5" burn all the powder you can cram in there already?


A gentleman on Arf.com built an 22TCM AR using Tok mags, he got 3k fps.
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A 22TCM would be legit, but me and case prep do not get along. Main reason I do not mess around with reloading rifle anymore, until I can get un-lazy

Guess the 4.6x30 was just a passing hope, I just need to get back into 10mm and maybe 9x25 Destroyer


Look into .224BOZ. I know it died quickly, not sure why, but it was a 10mm necked down to take a .224 bullet.
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