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 MGC .30 Carbine cartridge availability, shortage !

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c_alexandersen
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Number of posts : 141
Location / Country : Denmark
Registration date : 2011-11-30

PostSubject: MGC .30 Carbine cartridge availability, shortage !   Fri May 15, 2015 8:23 am

After a long and resultless search for MGC .30 carbine CP-BLK cartridges



I really badly need more cartridges for my M1 carbine so I have decided to dig deep into the details of cartridges and investigate if these can be manufactured as “third party” – not original spares
As background I have measured a large number of MGC, Marushin and Hudson cartridges to determine part tolerances, angles ect.
I have to confess that I am impressed with the accuracy I have found in all the parts I have measured. Production tolerances on internal parts are narrow. This really explaining why prices are relatively high.

Concluding that having all parts manufactured will just add to price and uncertainty I am aiming for a design re-using the internals of the MGC P210 cartridge.

Before I go out and have a substantial number manufactured I am asking in this forum If someone can and will assist in validating the cartridge dimensions I have reached.



I would be most grateful if members with MGC .30 carbine cartridges in the “armory” would take a little time off and measure their cartridges and PM/Email me what they have measured.
This would add considerably to my comfort, before starting cutting brass.
PS a caliper is needed to achieve sufficient accuracy

Gents  Arrow  Arrow  I hope for your help here  scratch
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claymore
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PostSubject: Re: MGC .30 Carbine cartridge availability, shortage !   Fri May 15, 2015 3:52 pm

This is one round i dont have but i know that for some models an MGC 5.56 body with a P220 head on has worked, of course that means getting those 2 rounds.

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c_alexandersen
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PostSubject: Re: MGC .30 Carbine cartridge availability, shortage !   Sat May 16, 2015 12:20 pm

Thanks Claymore, pitty You didnt have.
Anyway my comfort in this strengthned Quite A bit with What you are telling about MGC 5.56 with P220 heads.
I did A trial with P210 in my M1 Carbine and it chambers and ejects Quite Well 👍 so my confidence in just lengthening the P210 is growing 😏
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