R3
2 - 3 in. 6-Shot Revolver (.38/.357)
Fits most 2 to 3 inch medium-frame revolvers including:

Astra All Double Action
Charter Arms Bulldog, Bulldog Tracker, Police Bulldog, Pathfinder
Colt All models: Agent, Cobra, Commando, Detective SPL, Lawman, Official Police, Marshall, King Cobra, Peacekeeper, Python, DSII/38SPF
Dan Wesson Model 8-2, 9-2, 14-2, 15-2, 22
EAA Windicator
H&R All Double Action including: Models 504, 525, 532, 622, 632, 642, 732, 733, 826, 829, 830, 832, 833, 900, 901, 922, 925, 929, 930, 970
High Standard All models: Sentinel, Posse
Iver Johnson Model 55, 57, 67, 68, Bulldog, Cadet
New England All .22 LR and .32 H&R Mag.
RG All Double Action
Rossi All Double Action
Ruger SP-101, Security Six, Service Six, Speed Six
Smith & Wesson All J-Frames including: Model 30, 31, 32, 34, 36, 37, 650
All K-Frames including: Model 10, 12, 13, 15, 19, 40, 42, 64, 65, 66, 547
Taurus Models 65, 66, 73, 74, 80, 82, 83, 431, 441, 605, 741, 941