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Old 09-02-2012, 11:46 PM   #1
Cameron
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Johnson SMG Submarine Gun ammo

Does anyone have power cartridges for the Johnson SMG they're interested in selling? Any color.

Thanks!
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Old 09-03-2012, 12:56 AM   #2
phil herranen
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Re: Johnson SMG Submarine Gun ammo

call josh at neptonics . years ago he told me he used to make them . its probably your best shot to find any.
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Old 09-03-2012, 10:46 PM   #3
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Re: Johnson SMG Submarine Gun ammo

Thanks Phil! I sent him a note.
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Old 09-03-2012, 11:39 PM   #4
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Smile Re: Johnson SMG Submarine Gun ammo

Quote:
Originally Posted by Cameron View Post
Does anyone have power cartridges for the Johnson SMG they're interested in selling? Any color.

Thanks!
Ask Man-O-War too. I believe he recently sold one of those guns.
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Old 11-10-2021, 07:59 PM   #5
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Re: Johnson SMG Submarine Gun ammo

For interest here is what the instructions say for SMG SUB-AMMO.

SUB-AMMO
SUB-AMMO SLEEVES are for use with .22 wadded blanks, Nos. 3 through 6, of the type used in powder actuated tools (manufactured by Ramset Speed Fasteners Company, Remington Arms etc.)
LOAD-YOUR-OWN SUB-AMMO (only)
The blanks are loaded into the cup of the S.M.G. washer and then into the plastic Sub-Ammo sleeves.
For a permanent, waterproof seal apply a liberal coating of clear epoxy or plastic adhesive to the cartridge just prior to insertion. This bonds the cartridge to the plastic sleeve and prevents the possibility of leakage under pressure on deep dives.
SUB-AMMO GREEN for small fish, reef or cave shooting; SUB-AMMO YELLOW for medium fish at moderate range; SUB-AMMO RED for medium fish up to maximum range. Do not use with fibreglass spear. SUB-AMMO PURPLE for large fish at greatest ranges. Do not use with fibreglass spear.
To protect spear head do not use near rocks.

Note the more powerful loads SUB-AMMO GREY and SUB-AMMO BROWN were introduced later for the MKII MAGNUM guns which have stronger breeches and longer barrels.
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Old 11-11-2021, 06:11 AM   #6
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Cool Re: Johnson SMG Submarine Gun ammo

Thanks Pete!
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Old 11-11-2021, 04:56 PM   #7
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Re: Johnson SMG Submarine Gun ammo

I have one of those guns as a historical memento of a previous era of diving hanging on my wall. I have a couple of rounds of ammo with it that I am not willing to sell. Glad to see someone else has an interest in them. Thanks to Pete for the additional info.
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Old 11-13-2021, 01:42 AM   #8
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Re: Johnson SMG Submarine Gun ammo

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Old 11-13-2021, 03:14 AM   #9
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Re: Johnson SMG Submarine Gun ammo

Thanks Pete!
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