Palm38 TriPlex Multi-Projectile .38 Special Cartridge
Constitution Arms, the firm behind the Palm Pistol, has developed an interesting multi-projectile .38 Special cartridge called the Palm38 Tri‐Plex.
Three lead bullets, totaling 158 grain, are stacked on top of each other and backed by a copper gas check. The load has been designed to have ultra-low recoil and has a velocity of 658‐678 ft/sec depending on the model of revolver it has been fired from. The maximum range of the round is 10 feet.
The idea behind this round is to increase the frontal surface area of the wound channels, at the expense of penetration.
The concept is similar to the Winchester PDX1 Self Defense .410 Shotshell round that was designed for use in the Taurus Judge line of .410 revolvers. Winchester loads the PDX1 with three copper discs backed by shot pellets.
If you are interested in the rounds specifications and testing results you should take a look at this PDF document from Constitution Arms.
The round will go on sale next month. If the Taurus Judge has taught us anything, it is that there is a market for interesting self-defense ammunition. I expect it to sell well.
I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!
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This was first invented here in the Philippines by Inventor/Retired Capt Rodolfo Arambulo. He is a member of the FIS (Filipino Inventors Society)
I think that is a typo in that I have shot these rds. back in the early 70's. and we were shooting them at 7yds., getting 4 to 5 in. groups per rd. the pic looks very similar.