1200 Pump Problem

Highball

September 14, 2003 18:51

Traded for a Winchester 1200 12 gauge..the slide bridge screw sheared.Replaced screw.
Using low base shells..the bolt will open 1/3 or better upon firing.Replaced bolt/Trigger group..no change.

Big parts dealer from Ark. says that this is charactaristic of the beast..design of the gun.
This a fact ? Thanks...

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  MIKE WISKEY

  September 15, 2003 05:49

  I'VE HAD SEVERAL OF THESE IN FOR REPAIR WITH THIS PROBLEM. AS SOON AS THE TRIGGER BREAKS THE SLIDE STOP DROPS DOWN UNLOCKING THE SLIDE AND THE GUN AMOST ACTS LIKE A BLOW-BACK SEMIAUTO. A NEW SLIDE STOP HAS HELPED. THIS ISN'T NESSESARILY DANGEROUS AS THE WEIGHT OF THE FOREARM IN RECOIL KEEPS EVERYTHING LOCKED UP UNTIL THE PRESSURES DROP. IT IS STILL SOME THING I DON'T LIKE.

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  Highball

  September 15, 2003 16:30

  Winchester screw-up,I think.The slide stop appears unworn..just starts dropping the instant the trigger is pulled.
  
  Do you think building up the stop a bit with weld would allow more lag time ?
  
  God,Guts,& GunsHave we lost all 3 ??

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  THINMAN

  September 15, 2003 18:10

  WIN. PUMPS WILL OPEN UP AND EVEN EJECT UPON FIRING . THEY CALL IT A SPEED PUMP.
  
  3 SHOTS: .56 of a second ... those numbers sum up the Winchester Model 1300 Speed PumpT line of shotguns. Though you may not care to shoot as fast as our R&D shooters, you'll still get follow-up shot speed you'll appreciate. Speed Pump shotguns are renowned for impressive follow-up shot speed thanks to inertia-assisted pumping from a proven rotary bolt system.
  
  
  THINMAN

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  Highball

  September 15, 2003 18:18

  Jeeze....
  It is indeed a fact then that the actions are designed to "open themselves"....I knew that I had lived too long.Not being a shotgun man,it all seems..bizarre...I had the forearm jerk out of my hand..used to shooting a rifle,I had a good grip on it,holding firm..
  
  The 870 I have seems pretty fast to me..minus 'self -opening..
  
  God,Guts,& GunsHave we lost all 3 ??

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  THINMAN

  September 15, 2003 18:39

  DON'T FEEL BAD I AM A SHOTGUNNER MOSTLY DOUBLES RATHER THAN PUMPS.
  I ACTUALLY RETURNED ONE FOR A CUSTOMER THINKING IT WAS NOT LOCKING
  UP AND COULD BE DANGEROUS , MAN WAS I EMBARRESSED WHEN THEY INFORMED ME THAT THEY SUPPOSED TO DO THAT .[:)]
  
  THINMAN

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