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Cammer .404″ Sear

$39.20

Cammer .404″ Sear

In stock

SKU: cammer_sear Category: Tags: ,

Cammer .404″ SearTM

 The Cammer Sear tip maintains constant distance of .404″ from sear pin center.  NEUTRAL ENGAGEMENT with hammer hooks throughout sear movement to release.  Neither positive/captive (hammer is lifted with sear movement) nor negative/release (hammer lowers with sear movement).  CNC’d by Evolution Gun Works for Cammer Technologies.

Ready to install in your 1911 model pistol

  • Sear tip maintains constant distance of .404” from sear pin center
  • NEUTRAL ENGAGEMENT with hammer hooks throughout sear movement to release
  • Neither positive/captive (hammer is lifted with sear movement)
  • Nor negative/release (hammer lowers with sear movement)
  • Yields smooth trigger pulls whether hooks are cut at 86 or 90 degrees
  • No need for costly jigs or specialized stoning skills
  • CNC’d by Evolution Gun Works for Cammer Technologies LLC
  • All arrangements of 1911 sear and hammer hooks involve movement of the sear from beneath the hooks until release
  • The goal is movement that is undetectable to the shooter’s finger
  • Typical sears are stoned with flat primary and (most often) secondary angles
  • These flat-stoned surfaces must move from beneath the flat hooks in an arc about the sear pin center
  • Such configurations cannot achieve a preferred neutral relationship
  • They will be either positive or negative—transitioning most often from one to the other
  • Variables affecting quality of the final trigger pull with the .404” sear—and therefore adjustable by the custom pistol smith are:
    • Height of hammer hooks
    • Smoothness of engagement surfaces
    • Sear spring tension
    • Main spring weight
  • The .404” sear is held in engagement by the forces of friction and sear spring tension
  • Secondary/release angles are not necessary with the .404” sear, but may be added by the custom pistol smith as desired
  • U.S. Ordnance specs call for sear length of .4045” – .003”

 

 

 

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