Built mine on a 50's FN Colombian ex mill.
400gn Woodleigh 84gn H4350 (ADI2209) 2300fps +
All shots at 55 yds with aperture sights Some targets showing off centre loads were in the initial testing and were regulated after loads established.
350gn HT cast bullet 87gn H4350 (ADI 2209) 2415fps
350gn cast bullet 63gn H4350 (ADI2209) 1900fps
Von Gruff.