By the way that gun looks now which is superb, it doesn't need "saving" by anybody. Great job.
Just to give you an idea of what it may perform like with it's shorter tube here's a copy of paste from the Remington forum of some chrono figures I got with my 3" Navy Yank.
Second chrono session with the LabRadar. This was conducted today Tuesday 24th of January 2017.
The initial string of five rounds were fired from a Norinco M93 Colt Woodsman copy. The ammunition used was a standard velocity CCI with 40 grain bullets. I did this as a benchmark to verify the chrono because we know roughly the performance of this very common cartridge, obviously allowing for variances out of different fireams.
The Norinco .22lr produced the following results;
High 911 fps, low 865 fps, average 896 fps with an extreme spread 46 fps.
Next was the Remington pocket revolver in .31 calibre. The revolver is stock, unaltered.
The powder used here was 11.5 grains of Triple 7 measured out BY WEIGHT on an electronic scale. The projectile was a home cast soft lead round ball at .322 diameter. The powder nearly filled the chambers and the round balls were hammered into the chambers off the gun leaving a good ring of lead shaved off. A very tight fit necessitating loading off the gun with a plastic mallet and brass drift. The caps were RWS 1075 PLUS.
High 956 fps, low 802 fps, average 874 with an extreme spread of 155 fps.
WOW I wasnt expecting that ! Nearly into .22lr velocity, muzzle energy is probably the same ?
Next up was the Pietta Navy Yank 3 barreled snub nose in .44 calibre. The revolver was charged from my flask and spout. The spout throws 25.9 grains of Santa Barbara fffg black powder BY WEIGHT, checked on the electronic scale.
First five with a .454 lead round ball, 25.9 of BP, a dry felt wad and RWS 1075 PLUS caps.
High 536fps, low 479, average 507 fps with an extreme spread of 57 fps.
Second string of five. 200 grain Lee conical bullet, dry felt wad, charged from the same flask and spout but this time with Triple 7. That weighs out at 21.1 grains. Same volume as the BP but lower powder weight. RWS 1075 plus caps.
High 905 fps, low 811 fps, average 847 fps with an extreme spread of 94 fps.
WOW I wasnt expecting that either !
It goes off with a sharp CRACK as opposed to a BP BOOM with a sharp recoil. It sounds and feels like a smokeless cartridge revolver.
Last was the Navy Yank again but with .454 round ball same charge of T7, wad and cap as above.
High 927 fps, low 781 fps, average 867 fps with a extreme spread of 146 fps.