R6
6 in. Revolver (.38/.357/.41/.44)
Fits most 6 inch medium- and large-frame revolvers including:

Astra All Double Action
Charter Arms Bulldog Tracker, Pathfinder
Colt Anaconda, Diamondback, King Cobra, New Service, Officers Model, Official Police, Peacekeeper, Python, Three-Five-Seven, Trooper
Dan Wesson Model 8-2, 9-2, 14-2, 15-2, 22
EAA Windicator, Windicator Target
H&R All Double Action including: Models 504, 586, 603, 604, 649, 650, 686, 900, 901, 903, 904, 922, 929, 930, 939, 940, 949, 950, 999
High Standard All models: Camp Gun, Crusader, Sentinel Series
Iver Johnson Model 55, 57, 66, 67, Trailsman, Sidewinder, Sportsman
Llama All Large Frame including: Comanche, Marshall, Super Comanche
Rossi All Double Action
Ruger GP-100, Blackhawk, Redhawk, Super Redhawk, Security Six, Service Six, Speed Six
Smith & Wesson All K- and L-Frames including: Model 10, 14, 16, 17, 19, 48, 53, 66, 586, 686
All N-Frames including: Model 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 625, 627, 629
Taurus Models M44, 66, 86, 96, 441, 607, 608, 689, 761