Colt Firearms Collector
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Colt 4 x 21 rifle scope

(Note: The Colt / C-More 2000 catalog shows this scope as a 4x21-D or 4x21-RF)

Showing distinctive features for identification

The integral mount fits all A-1, A-2 fixed carry handle rifles and carbines

 

Colt 4x21 above with lens covers

A Colt 4x21 above with lens covers

The 4x21 above and 4x20 below for size comparison

The 4x21 above and 4x20 below for size comparison

Measurements vary depending on the eye piece being rotated in or out

The 4x21 is 7 1/4 in. long and the 4x20 is 6 in. long

Colt logo is forward of the adjustment turret

Note the position of the Colt logo is forward of the adjustment turret

Colt 4 x 21 Scope left side

Colt 4 x 21 Scope right side

  Colt logo forward of turret position  Side view of turrets

end views of 4 x 21  top view of turret

View a comparison of the 4x21 and the 4x20

 

 

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This non-commercial Colt reference website contains aggregated research notes & images from my personal Colt collection. I occasionally use openly posted information on the internet which is used here under the Fair Use doctrine for educational purposes. The information displayed is not in anyway meant to infringe on copyrighted material ....