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Colt Model 1877 Thunderer vs S&W Model 66
Side-by-side technical comparison
Colt Model 1877 Thunderer
HandgunsDiscontinued
S&W Model 66
HandgunsIn production
Overview
Spec
Colt Model 1877 Thunderer
S&W Model 66
Production
1877–1909
1971–present
Units produced
Approximately 166,000
Unknown
Specifications
Spec
Colt Model 1877 Thunderer
S&W Model 66
Overall length
248 mm
9.6 in (244 mm)
Barrel length
102 mm
4.0 in (102 mm)
Weight
0.62 kg
35 oz (992 g) unloaded
Magazine capacity
6 rounds
6 (cylinder)
Action type
Double-action revolver
Double-action revolver
Trigger type
Double-action/single-action
DA/SA
Sights
Fixed iron sights
Red ramp front, adjustable white outline rear
Calibers
Colt Model 1877 Thunderer
S&W Model 66