Quote Originally Posted by TonyL View Post
Different.....and no!

For the one I'm describing, picture something like the LGV. Barrel still opens, but only a few degrees and with that fine (I guess) barrel latch. But barrel not connected to a cocking arm / linkage, hence the underlever. Barrel under no stress and loading is direct to breech with total safety. Nice, short transfer port like a HW80 (if the barrel latch allows).
Gotcha. Like a BSA Spitfire PCP? But with a spring and an underlever ... It's certainly an interesting variation.