Colt Revolver Frame Designations

D Frame: Agent, Cobra, Diamondback, Police Positive, Police Positive Special, Viper, Detective Special, Commando

E/I Frame: Official Police, Officers Model, Python, Trooper

F Frame: Navy, Pocket Navy, Walkers, Dragoons

G, K, Q Frame: 22 Scouts and 22 New Frontier Scouts, Buntline Scouts

J Frame: Trooper MKIII, Lawman MKIII, Official Police MKIII. Metropolitan MKIII

P Frame: Single Action Army

SF Frame: SFVI, DSII, Magnum Carry

AA Frame: King Cobra

V Frame: Peacekeeper, Trooper MKV, Lawman MKV

MM Frame: Anaconda