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Model 1903/08 Hammerless Instruction Sheet PDF (1.3MB)
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Colt Model M Five Standard Types  

Early Model M Type I .32

Type I - with separate barrel bushing and 4" barrel. (.32 sn range only 1 - 72000) This example is an early Type I .32 variation. Click here for a detailed look at the various characteristics of the Type I Model M. For those who are unfamiliar with the Type I & II "barrel bushing" models, this is how the muzzle of the pistol is configured:

Model M barrel bushing variation
 

Model M Type II .32

Type II - with separate barrel bushing and 3 3/4" barrel. (.32 sn range 72001 - 105000) (.380 sn range 1 - 6250) This example is an early Type II .32 variation.  Click here for a detailed look at the various characteristics of the Type II Model M.
 

Model M Type III .380

Type III - integrated barrel bushing and 3 3/4" barrel. (.32 sn range 105001 - 468000) (.380 sn range 6251 - 93000) This example is an early Type III .380 variation and also bears the marking "P.D.N.Y. No. 171" on the right side of the frame with provenance to the NYPD. Click here for a detailed look at the various characteristics of the Type III Model M.
 

Model M Type IV .32

Type IV - integrated barrel bushing, 3 3/4" barrel, and magazine safety. (.32 sn range 468001 - 562000) (.380 sn range 93001 - 136000) This example is a late Type IV .32 variation with U.S. Property marking on the right of frame. Click here for a detailed look at the various characteristics of the Type IV Model M.
 

Model M Type V .380

Type V - integrated barrel bushing, 3 3/4" barrel, magazine safety and military sights, serrations and parkerized finish (.32 only) (.32 sn range 562001 - 572215) (.380 sn range 136001 - 138010) This example is a late Type V .380 variation with U.S. Property marking in the right side of frame.  Click here for a detailed look at the various characteristics of the Type V Model M.
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