New Mossberg 500

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Duelist

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Just got a new Mossberg 500A Persuader (at least that's the model i think it is... 7 in the mag, one in the chamer, 20in barrel) for $265. It was used but unfired, and I just put the first few shells through it. I like it, it's light (weighs about as much when loaded as my Knoxx stock 18" 870 does unloaded.)

So here's my question to THR: is there anything I should know about Mossbergs? I know with the 870s, you have to be careful not to short stroke them, so what are the caveats of having a Mossie?
 
Be sure that the barrel end mates with the reciever perfectly.

There is notch up top inside reciever where shell rim mates when chambered. That notch needs perfect clean regularly.

The Mossy is a bit more complicated action than the simple Rem. A bit of oil and TLC there helps alot.

Check that front tube/barrel screw occasionally to make sure it's seated well. I think a small gap is good. Others may have solution.

Load your shells in a gentle working manner, it's going to take a bunch and then quit eating.

Dont fire so many so fast, slow and steady does it otherwise it takes time to cool.

Slug Barrel 18 inch might be good, maybe not, your choice.

Your barrel may have a Accu-choke. It needs to be removed and replaced with a choke marked imp cyl for slug duty. Gently, VERY lightly clean and oil the outside threads of that choke and clean the barrel threads. This is probably the number one thing that will give you 20 years out of a good choke.

The loading bay below the reciever has sharper metal edging which is different than that of the remmie. Also the action bar is behind your mossy trigger. And the safety is above and to rear.

That's all I know. I like both the mossy and rem, but usually dont feed mossy the big dawg loads too much. 1200-1350 or so feet per second is plenty on the mossy.

Good luck and enjoy!

Oh, close that action like you mean it before firing. It should open on you after your trigger pull/firing is finished with the load on it's way to the target.
 
I have what you just described. It is a very good and rugged gun. If you have the Mossberg 500 cruiser/pursuader, don't worry about the choke, as there is none.

Only thing I can say is keep that barrel nut tight on the end, least you want to have the barrel fall out at an inopportune time. This is an especial concern if you put a sling on it, as that tends to nicely loosen your barrel nut over time from normal handling.

Thats all I can think of. Otherwise, great gun!
 
The Mossberg 500 is a fine gun (now) but the ones broken or unreliable that I've seen in the past mostly had issues with the shell stops. Make sure that the recesses behind the shell stops stay clear of debris. Other than that and a few sticky safeties, they go bang when you pull the trigger. Modern 500's are a reliable breed.
 
Maverick 88 differences from 500/590?

I own the model 88 version of this shotgun in 18.5" 6-shot; what is the differrence beyond the trigger group putting the safety by the trigger guard versus on the top near the thumb? Thanks!
 
Left-handed shooters and those with poor safety discipline prefer the safety where they can see it... in front of their face. Me, I prefer something tactile. I don't have to shift my shooting grip to hit the safety button on the Remington and Maverick. I HATE the safety on the Mossberg. Like I said, I've had some sticky safeties... ones you need a mallet to take off safe, etc. Never had a bad 870 safety nor a Maverick safety. That's the only difference, the safety.
 
Persuaders aren't hunting guns, they don't have choke tubes, as V pointed out. There are no replacement
barrels for the gun since it's a designed and intended security/guard/combat shotgun. The mag tube is
long to hold that many shells and that mag tube stops you from using any other barrel type.
If you want to or need to later on, however, you can use all the common 500 barrels by switching your mag
tube for a 500 tube. The 500 tube holds five and fits all the hunting barrels on the market.

If you decide to switch mag tubes, grip the end of yours ONLY on the last 1/2" with some pliers padded
with paper or leather to prevent scratching it....and when you replace a mag tube on a Mossy, only snug it
as tight as you can get it with your hands. Use no tools to retighten it.

That little bit of mag tube to barrel gap fit makes no difference, but if it bothers you, you can loosen the
mag tube a hair to close it. If you don't want to loosen the tube, use a disk of rubber.

The mag tube
simply holds the barrel onto the gun. There's no stress on it as it fires. The barrel has a square cutout at
the base that the bolt lock fits into to seal the breach. It's a steel to steel fit that can't wear out.
Mossy receivers are forged and machined from aluminum block for that reason....there's no stress on it so
there's no need to make it out of steel.

Mossberg 500's can handle *all* 3" magnum shells you can buy on the market. There is no need to baby it. The military likes it, so it'll stand up to anything you can put through it.

Mossberg barrels have a detent ball system in the barrel take down screw assembly, the part that screws
into the mag tube. It can NOT come loose on you any more than any other weapon with a detent ball
system can. If anyone is loosening barrels through use, then the ball system was removed by someone.

When loading the Mossy, push the shell forward into the mag tube til your thumb is inside the tube. That
guarantees you pushed it past the shell stop and interrupter. Once you get experience with the weapon,
you'll know when it's right and when it's not. If you short load it, you only pushed the shell in til it hooked
on the lifter. If you ever pump the gun and the shell hits the floor, you short loaded it.

The Mossy shell lifter/elevator stays up and out of the way at all times except the pump cycle when it's
loading a new shell from the mag tube. That means you can load it on the fly and it won't grab your thumb.
That also means that the empty hull is going out the ejection port as the new one is hitting the
lifter....which means jams are incredibly hard to accomplish on a Mossy 500. It's a *very* reliable design. You can't get hulls/shells stuck in the action no matter what you do.

All the parts are factory finished....it has NO semi-finished parts like Remington Express guns do. It
takes no breaking in to work smoothly. The chamber is polished so there's no hard extractions etc.

There's no part on a Mossy that can break that can't be changed inside of two minutes. It requires no
gunsmithing of any kind. If it ever breaks a shell stop....and in over twenty years of servicing them, I have
yet to see a broken shell stop....it can be replaced in less than two minutes by you.

Col. Plink....the diffs are the trigger guard cross bolt safety on the Mav 88 instead of the receiver Mossy
500 one....and your forearm is a one piece that can't be changed as it is. You can't install an aftermarket
forearm on yours as it is. But, and this is the important part, all the parts on a Mossy can be used on your
gun since it's virtually identical. You can replace your one piece forearm with a Mossy 500 metal tube
forearm and then you'll be able to use all the after market forearms designed for the 500. Mossberg has, for the past year, installed that one piece forearm on the Mossy 500 security guns. Duelist's gun may, in fact, have a one piece, too. The one piece forearm, the action bars are riveted directly to the forearm plastic. On a Mossy 500, the bars attach to a steel tube that the plastic fits onto.

Badger...."Left-handed shooters and those with poor safety discipline prefer the safety" where it is on a Mossy for one reason and it has nothing to do with discipline. They prefer the Mossy safety because they CAN USE IT WITHOUT MOVING THEIR HAND. Working a Remington crossbolt left handed has absolutely nothing to do with discipline or being able to see it. Lefties *DO* have to shift their hand on a Remington and a Mav 88 and that's why the Mossy safety is preferred.

Great gun at a great price, Duelist! I think you're going to like that gun a lot! If you have any questions, feel free to ask, bud!

richard
 
RandKL, Great write up. I researched the 870 & the 500 for quite some time. A few months ago I found my baby on Gunbroker and I had to have her.
Mossy 500, 12ga, 28", parkerized. NIB $210. I admit that I had to clean the dust off her, but she is a beauty!! I sanded and stained the furniture a dark walnut!! She is really my turkey gun, but I have been shooting some skeet with it just to really get the feel of it.
I LOVE IT!! and for the price, cant beat it!!
 
RandKL said:
Badger...."Left-handed shooters and those with poor safety discipline prefer the safety" where it is on a Mossy for one reason and it has nothing to do with discipline. They prefer the Mossy safety because they CAN USE IT WITHOUT MOVING THEIR HAND. Working a Remington crossbolt left handed has absolutely nothing to do with discipline or being able to see it. Lefties *DO* have to shift their hand on a Remington and a Mav 88 and that's why the Mossy safety is preferred.

Perhaps you misunderstood what I was saying. I said, "Left-handed shooters and those with poor safety discipline." These are two categories. Left-handed shooters are one category, shooters with poor safety discipline is another category. I can certainly understand why a lefty would want a safety they could operate without shifting their grip... but that brings me to another point.

When I shoot the Mossberg right or left handed (I practice both), I cannot operate the safety without shifting my grip. True, it's a different shift than with a left-handed shooter operating a right-handed Remington-style safety, but it's still a shift. Only my trigger finger moves with the Remington safety.
 
I used to use a 12" steel ruler in a vice. It was the right width. You can also buy them at Brownells or Midway. Might also do a search at Gunbroker.
 
I just use my mossberg choke wrench. Fits right in there to remove the Forend nut
 
With the mag tube removed, or with the action tube removed from the gun, any butter knife will fit the notches....but I'm assuming you mean with the mag tube still in and it unstripped, right?

That's the one thing i don't like about the mossberg... you can't take it apartwithout tools.

Really? What tools are you referring to? The butter knife? You know of some easier to disassemble pump shotgun, bud?

rich
 
You stopped one hair short there, Duelist. How do you remove the forearm from the forearm tube? That's the part you got to worrying about tools on the Mossy, remember? But the Remington takes the exact same tool to remove the exact same part.

And the Mossy....

Slide the pump halfway back to unlock the bolt lock....remove barrel....punch ONE pin out with your ballpoint pen....trigger group/shell stop/cartridge interrupter/bolt carrier all fall right out into your hand....pull forearm forward and the forearm and bolt come out the front. Beat you by one pin....and it took no more tools than a Remington 870.

rich
 
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