Jun 9, 2021 · He quickly identifies the speargun as a Johnson SMG (submarine gun) Mk IV, a rare kind of speargun that was only available for a few years before Johnson was bought out …

Feb 19, 2020 · As the speargun uses rimfire .22 Ramset cartridges in their special air gap plastic sleeves the pin hits on the cartridge rim. The sliding hammer has two notches for the sear …

Jun 17, 2008 · These are powerful spearguns and the extra barrel allows for either another barbed tipped spear or for protection against sharks a powerful “Sleekline Powerhead …

Dec 8, 2008 · Johnson Submarine Speargun (SMG) is was made in the USA by Tapmatic Corp. I believe they were made around 1968. This vintage speargun uses 22 caliber cartridges to fire …

Mar 3, 2024 · Call me if you have a SMG or parts for sure. I own 2 of these great vintage spearguns. Some of you might of seen the one when Richard Dreyfus was loading his gear …

Dec 10, 2008 · Presently i have two johnson smg spearguns. One is a two barrell and the other is a quad barrell. If you dont know about these guns, they launch the spears via a .22 cal blank …

Mar 25, 2025 · Johnson Submarine Speargun (SMG) is was made in the USA by Tapmatic Corp. Costa Mesa, California and it can be also found under name "SMG Speargun". I believe they …

A good working SMG speargun with aftermarket barrel band , 60 plastic shells. It comes with 2 straight shafts and will be carefully shipped. It does not come with a reel. I will ship it within 3 …

Feb 12, 2019 · So recently found a Johnson smg speargun with 2 barrels in a family members garage who is no longer with us. I, myself want to hang it on the wall but...

Mar 15, 2012 · The SMG spearguns were made by Tapmatic Corporation in the late sixties. They used Ramset .22 type cartridges that were inserted into a plastic sleeve that was sized to fit …