Experienced forum members have provided numerous excellent tips to keep shots in the 10-ring !
As others have stated, serious revolver competitors usually stick with a Remington or Ruger old Army for obtaining the tightest groups.
Some say Colt open-top revolvers don't make good target guns but I would venture to say that they haven't fired an original 1851 or 1860 Colt revolver.
BARREL QUALITY, FIT, FINISH & TUNING MAKES THE DIFFERENCE;
Barrels on original Colt & Remington revolvers have far superior deep 'progressive-twist rifling, in the right shooter's hands they are capable of producing cloverleaf groups.
Barrels on replica Colts & Remington revolvers including 2nd generation have much shallower depth rifling & a slower rate of twist.
Obtaining match grade accuracy with replica revolvers requires much more tuning, arbor work & development of light loads along with fillers.
Some older forum members & serious competitors will recall back in the 70s-80s will recall paying big bucks for special match grade'' 58 Remington revolvers that were mfg with deeper fast twist rifling.
Others like myself decided to go with the real deal & shoot our original revolvers that sometimes were less $ than buying a copy.
Below is photo of my original 58 Remington war horse.
At 160 yrs old it's still tight as new & still out shoots my Ruger Old Army.
IMPROVING OUR SHOOTING SKILLS KEEPS US YOUNG
Relic shooter