Remington 

XP-100 RH Thumbhole stock

for the original XP-100 center-grip

221 fireball guns

New unfinished ( needs sanded and a finish put on ) 99% inletting is done on the stock, but could need very minor final fitting to the frame due to the variations from frame to frame and the affect of climate conditions on unfinished wood. The barrel channel is for the 221 fireball and can easily be enlarged for a larger barrel contour.