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 Tanio Koba GM-7 Metal Cartridges

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Cerwyn
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PostSubject: Tanio Koba GM-7 Metal Cartridges    Sun Jul 10, 2011 12:12 pm

Tanio Koba's GM-7 .45 Colt 1911 now has alternative cartridges available.

Anodized Aluminium open cartridges are claimed to create less friction giving even better firing performance. The OPEN type cartridge can be used as a direct replacement for the standard plastic type without further modification.

Cartridges:



New c.p. Cartridge & Frame set:




Double cap c.p. cartridges are now available for the TK GM-7 which give enhanced muzzle flash effect

(see http://www.youtube.com/user/FandTspecialeffects#p/a/u/1/cslfkkN-bhQ)


Supplied with new Det.Pin and all necessary parts to convert. NOTE that i is necessary to install the metal inner frame and strengthed extractor when using the c.p. type cartridge


Double Cap c.p. GM-7 conversion set




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Last edited by Cerwyn on Sun Mar 25, 2012 12:24 pm; edited 1 time in total
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smootik
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PostSubject: Re: Tanio Koba GM-7 Metal Cartridges    Mon Jul 11, 2011 12:05 am

More information about BWC custom parts and models:
http://mp40modelguns.forumotion.net/t2719-bwc-bluing-works-company-customizing-tanio-koba-gm-7

I'm not sure if double cap cartridge is also done by them.
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Cerwyn
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PostSubject: Re: Tanio Koba GM-7 Metal Cartridges    Sun Mar 25, 2012 12:39 pm

First Impressions firing the Anodized Alloy OPEN GM-7 cartridge

Limited time only allowed two mag'fulls of 8 of these alloy open cartridges but first impressions are VERY favourable cheers

As expected from Tanio Koba's GM-7, firing was faultless, no missfires, no missfeeds, jams, nothing except great clean firing.

The Alloy cartridge is anodized Brass-like Gold which looks much better than the original plastic but what I liked most was the way these cartridges flew through the air after extraction Very Happy The original plastic cartridge is hurled out of the gun so fast you can barely see it but the Alloy type are a little heavier, nowhere near as heavy as Brass, so fly through the air in a relatively slow, but very realistic arc.

Very, Very impressive. I'll get a video done as soon as I can Wink

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PostSubject: Re: Tanio Koba GM-7 Metal Cartridges    Sun Mar 25, 2012 4:48 pm

I see a lot of options for these rounds not so much the open ones ones (although i want to try them in m y GM7)
but the cp ones may well work in othr 45 models at least i hope so same for the 9mm looking forward to trying them in a few what about in tanka models that would be good.
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PostSubject: Re: Tanio Koba GM-7 Metal Cartridges    Sun Mar 25, 2012 5:41 pm



It may well be possible to convert several .45 ACP Pistols to use the GM-7 Open cartridge. Assuming Diameter matches the Barrel, is it likely that the lighter GM-7 Alloy or Plastic ones for that matter, could give HWABS barrels an easier life Question scratch

There are videos on youtube of MGC Colt 1911 variants having been converted this way.

Both TK Open Alloy and the .45ACP c.p. types are available from John at PFCGUK now

IF the 9mm alloy c.p. type will work as a direct replacement for the P220 (as I'm hoping) it'll be a good versatile round. I don't have a Tanaka semi-auto pistol to try them in though Crying or Very sad

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Cerwyn
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PostSubject: Re: Tanio Koba GM-7 Metal Cartridges    Tue Mar 27, 2012 4:22 pm

Hi Claymore,

I'm told the 9mm p220 lookalikes work in Tanaka 9mm Automatic pistols too ...

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