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Discussion Starter #1
I know when the 870 is not cocked, the pump alone is heavy enough to open the action about 1/2" if stood upright on the butt of the stock. However when my 870 tactical is cocked, the pump handle as well as the whole action, even the breach can jiggle forwards and backwards a millimeter or two when there is a shell chambered. It's sort of annoying when raising to aim the shotgun, as gripping the pump handle will cause it move either forwards or backwards a little. it sort of just has a loose overall feel to the seal when cocked.

Is this normal?

Is this ok?

I understand it's really more of a HD shotgun, and perhaps the parts are supposed to be looser and more functional compared to a hunting shotgun, but I wish there was a way to make it so there was absolutely no shimmy in the pump. Any suggestions?
 

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Discussion Starter #5
If you added material to a few key areas you could probably get rid of it, but why? Like you were thinking in your first post, it would take away the reliability of the 870. If the tolerances were as tight as possible the thing would most likely start jamming after the crap builds up from firing a box or two. Not jamming is the reason most stick with the pump guns in the first place, but if you don't want any wiggle in the for-end when raising your shotgun then I suggest a semi-auto. Heck, keep both, you can never have too many firearms.
 

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Discussion Starter #6
If you added material to a few key areas you could probably get rid of it, but why?
Someone had suggested to me to tighten the nut on the forend, but it's the whole action (forend, action bars, chamber) that all move slightly when the gun is cocked so I'm not sure if that would do the trick. Also not sure what you mean about adding materials to places nor am I experienced enough to probably do that :shock:
 

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Discussion Starter #7
It sounds fine. It's going to move a mm or so. As long as the locking block, located on top of the bolt, is locked up in the locking lug grove on the barrel all is well. You can see it by looking through the ejection port.

Don't over tighten your tube extension because it will be hell to get it off.

GC
 

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Discussion Starter #9
Its normal. I have the same issue with mine. It doesnt bother me since its used for close range practice and well you dont have to aim very well with a shotgun to hit your target. I lift, aim quick, and fire. It happens so fast with me that I dont usually notice it.
 
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