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Colt Mk III vs S&W Model 66
Side-by-side technical comparison
Colt Mk III
HandgunsDiscontinued
S&W Model 66
HandgunsIn production
Overview
Spec
Colt Mk III
S&W Model 66
Production
1969–1985
1971–present
Units produced
Unknown
Unknown
Specifications
Spec
Colt Mk III
S&W Model 66
Overall length
240 mm
9.6 in (244 mm)
Barrel length
102 mm
4.0 in (102 mm)
Weight
1.08 kg
35 oz (992 g) unloaded
Magazine capacity
6 rounds (cylinder)
6 (cylinder)
Action type
Double-action revolver
Double-action revolver
Trigger type
Double-action / single-action
DA/SA
Sights
Adjustable rear sight (Trooper), fixed (Lawman)
Red ramp front, adjustable white outline rear
Calibers
Colt Mk III
S&W Model 66