Les modèles sont conçus pour ces étuis : Colt SAA, 7-1/2 barrel, Colt SAA, 5-1/2 barrel, Colt SAA, 4-3/4 barrel, Colt Bisley, 7-1/2 barrel, Colt Bisley, 5-1/2 barrel, Colt Bisley, 4-3/4 barrel, Colt Thunderer, 7-1/2 barrel, Colt Thunderer, 5-1/2 barrel, Colt Thunderer, 4-3/4 barrel, Colt Lightning, 7-1/2 barrel, Colt Lightning, 5-1/2 barrel, Colt Lightning, 4-3/4 barrel, Colt 1851 Navy, 7-1/2 barrel, Colt 1860 Army, 8 barrel, Remington 1858, 8 barrel, Ruger Vaquero, 7-1/2 barrel, Ruger Vaquero, 5-1/2 barrel, Ruger Vaquero, 4-3/4 barrel, Ruger Bisley Vaquero, 7-1/2 barrel, Ruger Bisley Vaquero, 5-1/2 barrel, Ruger Bisley Vaquero, 4-5/8 barrel, Ruger Bird's Head Vaquero, 7-1/2 barrel, Ruger Bird's Head Vaquero, 5-1/2 barrel, Ruger Bird's Head Vaquero, 4-5/8 barrel, Smith et Wesson Schofield, 7 barrel.