Remington 870 MM vs. Mossberg 500 Mariner

Bilirubin

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Hope I am not violating any board standards by peeling this post out of the long thread it was in. If so, I'm a n00b; be kind. (A real n00b in fact--I'm set to take my non-restricted course next week.)

Hello. I'm a researcher who will be doing work for the next few years in the mountains of northern BC and in the high arctic, where we will spend weeks at a time in the field. I am ensuring my students and I are as well prepared as possible, doing wilderness first responder training, etc, and intensive training on large, hairy, carnivorous mammals. (note how I didn't say "bear" this time--after reading the archives back an entire year I now know better!). The first thing my "large, hairy, carnivorous mammal" consultant asked me was whether we had firearms training, which brings me to where I am today.

Although I am about 2 months from going gun shopping, I am doing some virtual window shopping. Given the conditions I will encounter in the field, I have narrowed the choice to two: the Mossberg 500 Mariner and the Remington 870 Marine Magnum. The Remington looks tighter in fit and finish, but the Mossberg has a lot of support on the boards out there (including here). Informed folks seem to think that both are serviceable and dependable. The detailed comments seem to suggest the action on the Remington is somewhat smoother, and you are less likely to half draw and jam with it, and that the Mossberg can wear out quicker when you run a lot of hot loads through it since its anodized aluminum instead of nickel plated steel. But since I expect to run very few shots through it (training loads to get ready for the field, perhaps the odd potshot at small game when in the far north), I wonder how much this last point matters, although some of the practice loads and all the field slugs will be Brennekes, which are about as hot as you can get. I also wonder how much the $200-300 in savings I would get from the Mossberg over the Remington matters. Large, hairy, carnivorous mammal guy, as I said above, dislikes the Mossbergs (the cheaper ones that is) because of the looseness of the action.

Have any of you out there tried both? Anyone in Calgary have a Mossberg and would be willing to let me run a few rounds through it? (The Shooting Edge sells the Remington so I hope to be able to try it there).

Thanks all!
 
I thought that the (INSERT UN-NAMED LARGE HAIRY MAMMAL) was an omnivore?

I could be wrong - I thought I was once, but I was mistaken.

Sorry - In answer to your question, if I was to pick one, I would personally go for the Remington, because it MIGHT have a slight edge in quality over the Mossberg - Maybe. I am, however, more familiar with the safety selector and operation of the 870, so it is my shotgun.

That said, your Mossberg vs. Remington is very analogous to Ford vs. Chevy.

And a rifle in a good caliber would be a far better energy delivery device than a shotgun, BTW, if you really want to stop that nasty critter right now. Of course a rifle does require a bit more practice and care than your average shotgun, and can't be used to harvest the odd ptarmigan... Not much left after .338 goes through a bird...

Play safe out there!!

Neal
 
I've got an 870 MM and love it with a depraved unholy passion and call it Alice. Great gun, and the only significant improvement it needs (IMHO) is the addition of some aftermarket ghost ring sights (I had some Wilson Combat/Scattergun Tech Trak-Lok II's put on mine).

Then again, I have never met a Mossberg I did not like, and the savings over the 870 MM could be put towards some aftermarket sights and practice ammo.

IMHO this is a Ford vs. Chevy debate, really; try both if you can and go with whichever you prefer.
 
I own a 870MM and have handled the Mariner. I prefer the 870MM by a wide margin. I do not like the tang safety on the 500's, and I dislike the action. I can't speak to the mariners finish over the long term, but I recently sold a 870MM which could have been listed "as new" or "excellent" after 10 years.

I'd go with the 870MM.
 
dont get me wrong i slightly prefer the 870 over the 500/590 myself, but thats the first ive ever heard someone refer to the tang safety as a negative.

the highly visible and seamless to use tang safety is far superior to the crossbolt crap on the 870s. as you bring the gun up to your shoulder your thumb pushes forward on the safety and its ready to fire. you can engage or disengage the safety without moving your trigger finger. drop a glob of highly visible red sight paint or nailpolish on the fire dot and it works even better.

IMO the perfect shotgun would combine the durability/steel receiver of the 870 with the tang safety, unscrewable mag tube and shell lifter of the Mossberg 500.

honestly both the 500 and 870 are great deals. the 870 is slightly better IMO but is also priced accordingly. comparing both marine models would come down to their marine finish quality, which i have no idea about since ive only owned the blued/parkerized versions.

FWIW the mossbergs i have owned have been much smoother than any 870 express type guns ive used/owned. the old wingmasters trump them all though.

i cant understand why the hell they havent switched to an IC or modified on these barrels instead of cylinder bore.
 
I thought that the (INSERT UN-NAMED LARGE HAIRY MAMMAL) was an omnivore?
Neal
Weeeell, yes. At least the browns. But if its after me, its a carnivore as far as I'm concerned. The whites are exclusively meat eaters as I understand it.

Thanks for all of your informed opinions and comments; much appreciated.
 
Throw it in a locker, when you need it it's good to go. 870 MM.

870.jpg
 
Difinatly the 870. I frequently get to plat with a mossy mariner and the finish could certainly leave an aweful lot to be desired.

As far as smooth action, the funny thing is, my 870 definatly holds the best possitive locked and ready feal to it, but the smoothest one yet, is my grizzly. which is also by a huge margin the cheapest.

I think if I were going out in the bush for an extended period of time, it buy a griz, have it parked and then not ever worry about it again.
 
parked is still a lot of maintenance, it protects very little on its own and primarily relies on its grease/oil holding properties to protect from rust.
one small upside to the Mossbergs is that the receiver will never rust on you and is as light as an old Wingmaster. the Grizzly feels much heavier.

and you are right, the Grizzlies do smooth out nice. i polished the contact portions of the action bars, radiused the inner edge of the forearm tube (came rough from the factory and was gouging the mag tube) and cycled it a couple hundred times and now its at nearly Wingmaster levels.
 
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The Mossberg 590 Mariner is quite nice but I'm partial to my Norinco HP9-1 with a 14" (much less weight than an 870 with an 18" barrel).
 
I have a remington 870MM with the Black TriNyte finish and I really like it. I've handled the mossberg and I didn't really like th feel of it. You really do get what you pay for sometimes when you spend that extra dollar, If I were you I go with the 870MM. :D
 
My practical had a Wingmaster as the pump action. It was about 50 years old, but if I can get that smooth action in a MM then the decision is made!
 
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