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Old December 13, 2008, 11:01 PM   #1
massnee
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question about pump action shotguns

I have a mossberg 500. I have noticed that the shell to be chambered will fall out if the shotgun is shaken or turned on an angle.

Is this normal?
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Old December 13, 2008, 11:13 PM   #2
Scattergun Bob
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Yes, this is true of the mossberg design. The shell "free floats" on the lifters from the time it leaves the tube mag until it is captured by the extractor. with the forend pumped rearward it is possible to cant the gun and have the shell fall out. As far a shaking, I am sure you could but I have not experminted with that.

I teach that the pump scattergun is handled and functioned with the receiver straight up and down, seems to work just fine.

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Old December 13, 2008, 11:18 PM   #3
massnee
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Thanks for the info. This is important to know...particularly when a Mossberg is being used in a tactical setting.
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Old December 13, 2008, 11:28 PM   #4
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massnee

By the way, Remington 870 does the same thing, and I have watched many shell from my students scatterguns hit the ground without their knowledge during training.

There is a method to "press Check" your scattergun, I suggest you investigate this as part of your loading procedure.
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Old December 13, 2008, 11:33 PM   #5
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Massnee, Are you talking about the shell will fall out once you begin the reload cycle or anytime?
If you mean anytime than either the shell is not fully loaded in the tube and thus not captured or the device that captures it (cartridge interrupter or cartridge stop) is not in operating condition allowing it to protrude out of the mag tube.
If operated properly the next round is captured until you cycle and would only fall out if terribly shaken or flipped over... If you cycle the gun with "attitude" it is over with to fast to worry about losing the shell. There is never a time where a slow cycle is prudent as it is never silent and is a good way to have a hang up in the action..
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Old December 13, 2008, 11:35 PM   #6
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SGB, By "press check" do you mean a verified check of the ammo inside the mag tube?
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Old December 13, 2008, 11:36 PM   #7
protectedbyglock
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Ithaca Model 37 won't allow the shell to drop....ever.
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Old December 13, 2008, 11:40 PM   #8
hogdogs
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I have never in "umpteen" thousand rounds, never seen a shell fall out of a mossberg... I have seen a few "double feeds" from folks trying to baby the gun... Where can I buy one of them Ithica guns new for 200 bones?
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Old December 13, 2008, 11:41 PM   #9
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if you are cycling it slowly and investigating the mechanism visually maybe. but turn it on its right side 90 degrees and cycle it like you are trying to use the thing and i doubt it will drop a shell except for ejecting the chambered hull or shell as designed.

i turn mine on its side to cycle out the ammo onto the sofa or whatever i dont know how many times, and i never had it fail to feed properly or drop something it wasnt supposed to drop.
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Old December 14, 2008, 12:04 AM   #10
Scattergun Bob
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massnee

No, I am talking about press checking the chamber to verify it's condition of readiness.

And Guys, angling or turning the gun on it's side is EXACTLY what the OP is discussing. I will say again, it happens every class and most of the time is undetected by the shooter, UNTIL that thunderous SNAP as the firing pin rams home on nothing. It is not just your SAINTED Mossbergs, OK!

Yes M-37 and BPS don't have this issue, but then they have their own faults.
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Old December 14, 2008, 12:09 AM   #11
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angling or turning the gun on it's side is EXACTLY what the OP is discussing
sure it is, but if the thing got shucked instead of trying to make a shell fall out and shaking it to see what drops, i dont think anything would fall out.

i can make most anything from a colt 45 to bolt action rifle act silly if im trying to.
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Old December 14, 2008, 12:13 AM   #12
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alloy

Fine, you win, it will never happen, I'm just on drugs , perhaps you have never tried operating a fighting scattergun in any other position besides standing up, might be enlightening.
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Old December 14, 2008, 12:18 AM   #13
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scattergunbob thanks and i will spend much time trying to make my shotgun jam in the future.
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Old December 14, 2008, 12:56 AM   #14
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ScattergunBob,How do you chamber check a pumpgun?I did a search here and could not find how,though I did find an answer to another thing I was ignorant of(I have had the mag cap loosen on my 870 during shooting.During my search I found a post about a shotgun course that Louis Awerbuck(sp?)runs and one thing the post mentions is that Mr Awerbuck said that the mag cap is one nut that can't be overtightened by hand and really snugged down the nut on several guns that the nut came loose on.)Back to the original question would the way to check to make sure a round is chambered be to press the slide lock and ease the forend back slightly and look through the ejection port at the bolt as it comes back then after you see the brass and know there is a shell there push the forend forward until the gun is back in battery?
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Old December 14, 2008, 04:02 AM   #15
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I'm not framiliar with mossy's but with an 870, with the forend all the way to the rear, it is possible for a shell to drop out of the chamber. I can tell you this though; you need to seriously need to try to shake it out for it to come out. Sometimes I try to eject shells by just dropping them out of the receiver which requires shaking the receiver in different ways to try to get the shell to drop out. It is very hard to get out without putting your finger in the chamber to try to "finger" the shell out. I'd be hard pressed to believe that a shell would EVER fall out of the reciever of an 870, unintentionally.
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Old December 14, 2008, 09:14 AM   #16
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Bob, I got your back.....

I just lumbered downstairs, grabbed a dummy round, checked Number Six TWICE and closed the action on an empty chamber. Loading the dummy and holding the weapon with the ejection port pointing DOWN, I then pushed the slide release and shucked the thing briskly. The dummy chambered without a glitch. Same with the port pointing up. Same upside down.

Easing the action open left the dummy bouncing off my large and hairy toes.

Thus also if I held the weapon vertically and gently opened it.

But take not my word. Use a DUMMY round and try yours.

Pumpguns were meant to cycle emphatically.
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Old December 14, 2008, 04:16 PM   #17
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sounds interesting. i think i shall try to get mine to jam,not feed right,shell fallout. as soon as i'm done burning er i mean cooking dinner.

i check mine by pressing the slide release and pulling the slide back maybe an inch ,just enough to see if its empty or not. even if i think its empty, to be absolutly sure it is. i'll pull the slide back all the way and look inside. better safe than sorry.
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Old December 14, 2008, 04:30 PM   #18
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Scattergun Bob and Dave speak from experience - you guys should listen to their counsel. They have a lof of experience in " fighting shotguns "....
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Old December 14, 2008, 05:23 PM   #19
xm21
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It seems like both Bob and Alloy and Dave are saying the same thing.Pump the thing forcefully all the way back and forward,no problem no matter which way the ejection port is pointed.If you pump it slowly,lazily,or timidly you better not have the port facing down or the muzzle skyward.I think Bobs point is that some folks will fail to pump fully and forcefully under some situations such as practicing shooting under a car or simulating an injured arm and the weak pump combined with a downward facing port will result in a click instead of a bang,and an unfired shell on the ground.I think Lukes warden might say someting about failures of communication hereBut does anyone know if I am doing the chamber check or "press check" correctly by pushing the slide lock and easing the bolt back only far enough to see brass the pushing forward to lock up?It works for me.
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Old December 14, 2008, 05:35 PM   #20
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xm, that's how I check the chamber, too. Seems to work ok.

Next time I see someone at the range quickcycle the action on their 870 or Mossy, I guess now I'll know why! Interesting. I just thought they were trying to look cool or something.
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Old December 14, 2008, 07:07 PM   #21
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hey Protectedbyglock

It is COOOOOOOOOOOOOOOOOOOOOL!
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Old December 14, 2008, 07:09 PM   #22
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i just tried my 870. only had 2 dummy shells though. after checking it 3 times to be sure nothing in the chamber or mag.

i loaded both dummies into mag then turned the shotgun so the port was facing down. pumped the action,upon pulling the slide forward the dummy fell out.

i pulled with authority nonetheless.pulled trigger,pumped the action again the next dummy chambered.

tried it again loading both into mag and pumping the action. it did the same exact thing again,first one fell out upon attempting to chamber it.

i loaded the 2 dummies into the mag again,i turned the shotgun upside down.pulled the slide back,shell fell out of the port. pushed it forward and tried to chamber the second shell. it fell out of the port upon pushing the slide forward.

i found that if i have the port down and the action open, and i drop a shell inside, then push the slide forward it will chamber it.

i couldn't get it to double feed.
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Old December 14, 2008, 07:11 PM   #23
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on the subject of slaming a slide to avoid jam

my 1911 45acp, when I go to chamber a round (the first round) it will jam every time if I ease the slide forward as opposed to letting it slam-which never ever has jammed. For what that is worth to the topic.
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Old December 14, 2008, 07:16 PM   #24
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Quote:
my 1911 45acp, when I go to chamber a round (the first round) it will jam every time if I ease the slide forward as opposed to letting it slam-which never ever has jammed. For what that is worth to the topic.
You should either slingshot the slide or use the slide release and not ease the slide forward anyways.
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Old December 14, 2008, 07:29 PM   #25
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well yea, I realize that now

LOL
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