Pimp my 870

Turtle

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#1
I bought a magazine extension for my 870 (if you need to ask, it’s a shotgun) so that it can hold 10 shells. I installed the new piece and the new spring is awful. I can run 7-8 shells (2 ¾) through but after that there is not enough tension/pressure behind the shells to feed them into the breach. Ideas?
 

d0uche_n0zzle

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#2
What barrel length are you using?
 

Turtle

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#3
What barrel length are you using?
It’s the 870 Express Magnum. Not sure what the exact length is but the ext is flush with the end of the barrel.
 
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#4
couldn't you just simply upgrade the spring?
 

LBF

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#6
Easiest fix is probably going to be finding a shop/gunsmith who can find you a spring that will work.

Some of the guys I snowgoose hunt with have extensions (no limit on magazine capacity for snow geese) and several of the 870 owners have had the same problem.
 

MAV

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#7
i had to take a dremel to the inside catch on the fixed magazine, just on the inside there is a tab. i found that it caught the spring a little and the follower stuck on it as well. grind that outta there and it should help.

shameless 870 pic


on a side note, i got my accessories thru AdvancedTechnology
 

Turtle

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#8
Easiest fix is probably going to be finding a shop/gunsmith who can find you a spring that will work.

Some of the guys I snowgoose hunt with have extensions (no limit on magazine capacity for snow geese) and several of the 870 owners have had the same problem.
Do you know if they have a hard time loading 10 shells with a "better" spring?
 

distortion9

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#9
Dude...I saw the sickest tactical boomstick EVA!

BRB...gotta go find it.
 

LBF

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#10
Do you know if they have a hard time loading 10 shells with a "better" spring?


It seemed like the last shell would be a little tougher due to the extra strength of the new spring, but nothing too severe. Keep in mind, most of these guys are using 3" or 3 1/2" shells, I believe 8 is the most they can put in a extension that is flush with the end of the barrel.


Mav's idea falls outside my realm of expertise, but it sounds like he may have a good solution.
 

Turtle

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#11
i had to take a dremel to the inside catch on the fixed magazine, just on the inside there is a tab. i found that it caught the spring a little and the follower stuck on it as well. grind that outta there and it should help.

shameless 870 pic


on a side note, i got my accessories thru AdvancedTechnology
I just checked the tab and it seems to be ok, do you have a good amount of resistance or tension when you load? I have very little, seems like less than with the 5 shell spring/magazine.
 

distortion9

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#12
Talk about pimped out

 

LBF

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#13
I just checked the tab and it seems to be ok, do you have a good amount of resistance or tension when you load? I have very little, seems like less than with the 5 shell spring/magazine.
Sounds like you got a crappy spring. Any chance the manufacturer has a warranty on their parts?
 

Turtle

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#14
Sounds like you got a crappy spring. Any chance the manufacturer has a warranty on their parts?
Made by Pro-Shot out of Taylorville, IL. Now I need to call them and bitch.
 

MAV

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#16
I just checked the tab and it seems to be ok, do you have a good amount of resistance or tension when you load? I have very little, seems like less than with the 5 shell spring/magazine.
yeah i have a good resistance on the shells. but mine is only a 3-shot extension with a 16" barrel. and the extension came with a new spring. they may have just given you the wrong spring by accident.
 

THE FEZ MAN

as a matter of fact i dont have 5$
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#17
just stretch out the spring, take it out and pull it a tad, also make sure to put a little clp on the follower
 

Turtle

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#18
i had to take a dremel to the inside catch on the fixed magazine, just on the inside there is a tab. i found that it caught the spring a little and the follower stuck on it as well. grind that outta there and it should help.

shameless 870 pic


on a side note, i got my accessories thru AdvancedTechnology
The pic reminds me of the tactical shotguns used by the crunchies when I was on active duty to blow the hinges off of doors. They called the guy with the shotgun the “locksmith.” Come to a locked door, bring up the “locksmith” and he blows the hinges off of the door, Boom Boom and no more locked door.
 

distortion9

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#20
I can't decide between an 870 or the 590A1
 

Don the Radio Guy

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#22
Sell it and buy a Mossberg?

835 was the best gun I ever owned. Of course I'm not a huge gun guy but there's nothing like firing off a 3.5 magnum shell out of a 12 ga.
 

LBF

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#23
I've had a couple 870s and a couple Mossbergs (hunting versions, not tactical) and never could get used to the safety on a Mossberg. A very fine weapon, for sure, just not for me.


The Model 12 Winchester is another wonderful pump gun.
 
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#25
Sell it and buy a Mossberg?

835 was the best gun I ever owned. Of course I'm not a huge gun guy but there's nothing like firing off a 3.5 magnum shell out of a 12 ga.
The Mossberg 835 Ulti-Mag is the best pump shotgun ever fucking made. I have fired thousands of rounds through it of all different sizes and have had it caked in mud goose hunting. Best out there.

I also have a Mossberg 500 Cruiser for the home-defense setting loaded with slugs and buckshot. It's a fucking rockstar too.

Mossberg just simply makes the best and most rugged shotguns on the market.

I'd buy the heavier Mossberg 590 but I don't really need it right now. It's nice though with it holding extra rounds inside of the stock, ghost ring sight, heavy barrel , extended mag tube and that bayonet lug.