870 wingmaster pump lock; how to remove?

BBq_Woa!

BBq_Woa!

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Hey all.
SO.
I have an 870 tactical, and an 870 wingmaster that's all cool'd up and tacticalized.

one thing however, (as im aware) non-tactical shotguns generally have the little lock after a shot is fired, where the pump must be gently pushed forward to reset, and then racked backward.. the 870 tactical however, releases the slide when a shot is fired, enabling one to rack the slide immediately afterward.

simply aesthetically , i don't like the slide lock on the wingmaster (and my model 12 for that matter)

in my wingmaster, is it a simple thing to disable this function? if so I'll do it.. if it's more involved (like replacing a part) i wont.

not a big deal, but I'd prefer the tactical style with no lock...

any thoughts?
 
BBq_Woa! said:
Hey all.
SO.
I have an 870 tactical, and an 870 wingmaster that's all cool'd up and tacticalized.

one thing however, (as im aware) non-tactical shotguns generally have the little lock after a shot is fired, where the pump must be gently pushed forward to reset, and then racked backward.. the 870 tactical however, releases the slide when a shot is fired, enabling one to rack the slide immediately afterward.

simply aesthetically , i don't like the slide lock on the wingmaster (and my model 12 for that matter)

in my wingmaster, is it a simple thing to disable this function? if so I'll do it.. if it's more involved (like replacing a part) i wont.

not a big deal, but I'd prefer the tactical style with no lock...

any thoughts?
Click to expand...

Since when? On my new 870 super mag and my 30 year old winchester 120, as soon as you pull the trigger it releases the slide.
 
???? Not sure what you're talking about.
(With some exceptions in small changes to some parts over he years) all 870 slide, bolts, etc are exactly the same design. There is no 'lock' as you are describing . The wedge shape piece in the top of the bolt locks into the recess in the barrel hood untilt he gun is fired, once the gun has gone bang then the bolt unlocks and the action can open....I think you wither have a really dirty gun or something is amiss with your Wingmaster.

I shoot lots of Wingmaster, Police Magnums and Expresses every year.....was out yesterday in fact with all of those models... and they all operate exactly the same.

What you could do is disassemble and compare all of the parts to see if/that they are the same - don't mix up parts between guns though. Alternately take it to a Remington repair shop and have them look at it.

Hoep that helps
 
my winchester model 12 and wingmaster both do this.

"click" or "bang", pull back, locked, push forward a micrometer, unlocked, pull back, free, etc

870 tactical magnum, click or bang, pull back, free etc.

i've experienced this on hundreds of shotguns, i've just never been interested on what mechanism does it.
it isn't a malfunction, it's a function.
 
someone with a wingmaster try it now.
pump the gun, keep rearward pressure, pull trigger while retaining rearward pressure on the pump. it'll stay stuck until you release that rearward pressure.

do it.

i dare you.
 
Sure that happens, if I am understanding you correctly its nothing but the friction from you holding back on the pump thus not allowing the lug to unlock from the barrel. Don't hold pressure on the pump and you wont have the problem. That is if I am understanding you correctly. :)
 
GIGGIDY said:
Sure that happens, if I am understanding you correctly its nothing but the friction from you holding back on the pump thus not allowing the lug to unlock from the barrel. Don't hold pressure on the pump and you wont have the problem. That is if I am understanding you correctly. :)
Click to expand...

RePete said:
Are you pulling the firearm into the shoulder with both hands? If so, relax the support hand/arm.
Click to expand...

I would agree with the above statements. So i put them to the test.

I just tried to pump the gun after pulling the trigger while holdong rearward pressure in the foregrip. Won't pump.

Also tried to pump the gun by pressing the manual release while holding rearward pressure on the foregrip. Won't pump.

Tried both again with lighter grip and works perfectly.

Conclusion: Theory and practical test seem to show cause of problem is too much rearward pressure from support hand of foregrip.

How that for exact science? :D:D
 
OK it is a little more clear in your follow up posts what is happening.
I have acces to several WIngmasters and will try them tomorrow to meet your dare ;)
I have never noticed that type of problem even after several thousand rounds through many different Wingmasters, however I am really relaxed when I shoot and actually push forward on the forend when I shoot.

I would expect it is the slight difference in the rail timing cuts that is the culprit. IIRC it was in the 70s when Remington changed to the anti-jam modifications which included changing the rail cuts to a less abrupt angle, many old Wingmasters includin gthe Norinco and Dominions have the old style cuts.....is this an old Wingmaster you have?

I will my Dominion shortly and check the Wingmasters out tomorrow.
Also you could try using a push-pull opposing forces approach where you are pushing the foreend away from you whilst pulling the buttstock to your shoulder, it works very well.

Cheers
 
on my really old an abused 870 wingmaster, when pulling back and shooting, i have to let go of the foregrip ever so slightly the back again.

on my HP9 i have to let off the trigger and pull the foregrip forward to be able to rack it.

on my 7615P it is the same as the wingmaster. let go ever so slightly then rack.

i just tried my griz mag and it is broken.....? if i wiggle the foregrip back and forth, i can rack it. no trigger or release needed.....
 
i just find it wierd that my wingmaster does it but not my tactical.
made me think the tactical is specifically designed not to do it. guess it's just a slight difference between them.

oh well
 
P0WERWAGON said:
rack.

i just tried my griz mag and it is broken.....? if i wiggle the foregrip back and forth, i can rack it. no trigger or release needed.....
Click to expand...


I brought this up in the big thread, check that the forarm rails are strait mine were a little out so they would slip past the lock, give it little straiting and it will be fine.
 
darkshadow said:
I brought this up in the big thread, check that the forarm rails are strait mine were a little out so they would slip past the lock, give it little straiting and it will be fine.
Click to expand...

i just did that. fixed that issue, but is it normal for the foregrip to move as soon as you pull the trigger?

once the hammer hits the pin, the gun will rack if there is ANY rearward pressure on it.....
 
P0WERWAGON said:
.............i just tried my griz mag and it is broken.....? if i wiggle the foregrip back and forth, i can rack it. no trigger or release needed.....
Click to expand...

Do you mean that with a locked action you can wiggle the forend and unlock/open the action withhout firing or using the action release?
Yikes!
 
Last edited:
that's fixed with the tweeking of the rails. but if i hold the gun straight up in the air, one handed and pull the trigger, the forearm will slide. there is zero effort required. all my other guns need at least a slight tug to unlock it..
 
P0WERWAGON said:
that's fixed with the tweeking of the rails. but if i hold the gun straight up in the air, one handed and pull the trigger, the forearm will slide. there is zero effort required. all my other guns need at least a slight tug to unlock it..
Click to expand...

All of the 870s I have/use (at least a dozen ) do that as well if held vertically.
 
Hi folks,
I just tested four old Wingmasters and two Police Magnums:

- Shotgun held vertically and trigger pulled: All unlock immediately
- Light backward pressure on forend and trigger pulled: All unlock immediately
- Heavy backward pressure on forend and trigger pulled: Old Wingmasters did not release until pressure was released a little bit then they cycled. All Magnums cycled immediately

It is most certainly binding of the action due to the timing cuts in the rails, which as I mentioned earlier are much more abrupt in the older Wingmasters than on the later models.

Powerwagon, you could try replacing the forend assemby with a newer one and that might/should change things. The only thing to note is that the cuts in the bolt carrier which mate to the rails may be different them you would have to change the bolt carrier as well. Alternately you could talk to Arwen Ace and see if he can re-do the rail cuts to the new style....I am not sure if that is possible or not.

Cheers
 
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