carverk...........The 234 Penguin is a cartridge I designed by necking down a 6.5X55 case to accept a .234" bullet. Marshal at Matrix bullets was nice enough to build the bullets if I bought the dies and I had drill, reamers and button made for making .234 groove diameter barrels. I have built one 23 cal so far using the 284 Win case and I have named it the 234 Douglas. I took a very nice whitetail with it a couple years ago. The project actually included five 23 caliber cartridges, the 230 Pipsqueak a 222 Rem Mag necked up to .234, the 234 Lynx, a 22-250 necked up to take .234" bullets, the 234 Hyrax, a 243 case necked down to accept .234" bullets, the Penguin as explained above and the Douglas as above.
Unfortunately my life has been such that I have been unable to get back to this project to complete it, or many other projects for that matter..........I have become a slave to the up keep and maintenance of my property and have little time or energy left at the end of the day. It sucks.................