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TZL
09-06-2008, 7:04 PM
So i have the cheap Mossberg 500a from Big 5, and i'd like to replace the integrated sliding tube assembly from the "normal" Moss 500 so that I can put a forward pistol grip on the thing

Anyone for some recommendations on where the best/cheapest place to buy this part is?

Thanks,

Ting

The Cable Guy
09-06-2008, 7:06 PM
I have the same problem.

L-2
09-06-2008, 7:24 PM
http://www.e-gunparts.com/images/catalog/54640.jpg
p/n 53170A (I think, 12 gauge, double action bar, blue) $59.90 @ e-gunparts.com

http://www.e-gunparts.com/DisplayAd.asp?chrProductSKU=53170A&chrSuperSKU=53170&MC=

The Cable Guy
09-06-2008, 11:28 PM
http://www.e-gunparts.com/images/catalog/54640.jpg
p/n 53170A (I think, 12 gauge, double action bar, blue) $59.90 @ e-gunparts.com

http://www.e-gunparts.com/DisplayAd.asp?chrProductSKU=53170A&chrSuperSKU=53170&MC=

Awesome find! Thanks!

garion
11-02-2008, 9:47 PM
http://www.e-gunparts.com/images/catalog/54640.jpg
p/n 53170A (I think, 12 gauge, double action bar, blue) $59.90 @ e-gunparts.com

http://www.e-gunparts.com/DisplayAd.asp?chrProductSKU=53170A&chrSuperSKU=53170&MC=

Doh, Does that mean I need to order this part also to install this Forearm?


http://img353.imageshack.us/img353/7915/cimg2161lf5.jpg

http://img112.imageshack.us/img112/7092/cimg2162en0.jpg

http://img235.imageshack.us/img235/172/cimg2163kt4.jpg

http://img253.imageshack.us/img253/6065/cimg2164iu1.jpg

TZL
11-03-2008, 12:15 AM
Yup....ebay from that seller in Alaska right?

Doh, Does that mean I need to order this part also to install this Forearm?


http://img353.imageshack.us/img353/7915/cimg2161lf5.jpg

http://img112.imageshack.us/img112/7092/cimg2162en0.jpg

http://img235.imageshack.us/img235/172/cimg2163kt4.jpg

http://img253.imageshack.us/img253/6065/cimg2164iu1.jpg

garion
11-03-2008, 12:45 AM
nope, i got it at the cow palace show....thinking i could just drop it right in, well at least that's what the vendor told me...I had a feeling it wasn't a drop in and go type of deal (looking at the tube....)...but he assured me it was totally compatible with the mossberg 500 :(

well as long as the action tube part works i guess im back in business =)

wilit
11-03-2008, 7:09 PM
There was a thread about this a while ago. http://www.calguns.net/calgunforum/showthread.php?t=77736

The action slide you have is from a Maverick. Apparently Mossberg equipped a bunch of their 500A combos with them. If you look at post 38 of the thread, Mossberg basically told to OP, "too bad" when looking to exchange it with a non-integrated Mossberg slide.

garion
11-04-2008, 11:21 AM
There was a thread about this a while ago. http://www.calguns.net/calgunforum/showthread.php?t=77736

The action slide you have is from a Maverick. Apparently Mossberg equipped a bunch of their 500A combos with them. If you look at post 38 of the thread, Mossberg basically told to OP, "too bad" when looking to exchange it with a non-integrated Mossberg slide.

ah bummer, that is the forend i have (the maverick one) no wonder, I couldn't for the life of me figure out where the nut was for the action slide, and the part i have is totally different from the schematic.....so i guess i HAVE to buy a new action slide tube in order to mount that forend i bought (and get the right length tube.....

thanks for the info!

socalsteve
11-08-2008, 11:29 PM
I read on some forum that mossberg makes the 500a combo shotguns special for Big 5 so they can sell them cheaper now I know how - but using maverick parts.

It just goes to show the old saying you get what you pay for is still true.

garion
11-10-2008, 10:28 AM
bleh apparently....I'll need to go find an action tube before progressing with the new forearm....i should have bought the 590, if i had only known

DVIII
01-01-2009, 10:26 PM
Arghh! Why do I only find these threads AFTER buying a gun! So I have the cheap action slide assembly as well.... Did anyone shell out the $60 for the one on e-gunparts.com? How did it fit/work? If I have an aftermarket 8" forend do I buy part #53170A?

AND I have to buy the nut, what a PITA....

Does it ride over the existing mag tube with no problems? What about scratching the mag tube?

TZL
01-02-2009, 11:03 AM
i bought the forend tube and nut so I could fit an ATI forward pistol grip...works great now !

keninsb
03-29-2011, 3:43 PM
I realize that this is an old thread, but I am having the same issue and still have some questions. I have a Mossberg 500A with the "new" forend. My question is how do I know if I need the 7 3/4" or 6 3/4" action slide tube? Not quite sure how to measure because the "new" forearm with the slide bars as part of the forearm doesn't really help. I realize that many people here have installed the 7 3/4" version, but I read a comment on THIS (http://www.havlinsales.com/model500.htm)site indicating that Mossberg Shotguns manufactured in the last 20 years use the 6 3/4" action slide tube. Can anyone help me out with this one? Any help is greatly appreciated.
Thanks,
Ken

keninsb
04-02-2011, 5:37 PM
I took a chance and ordered the 7 3/4" slide tube assembly made by ProMag at Cheaper Than Dirt HERE (http://www.cheaperthandirt.com/ItemDetail.aspx?sku=SHT-167). The user ratings on CTD were about right (3 out of 6). It is not the best quality, but did the job and came with the nut. I was installing a Knoxx Spec Ops recoil reducing stock and fore end. The new magazine tube was a TIGHT fit and I think that it was partially due to the Spec Ops stock. I used a Dremel with a flap-wheel sander to sand out the contact points on the forend to allow for a little more room for the slide tube assembly to fit (still very tight). Once installed, I had to work the action about a hundred times and keep re-lubing the action slide bars where they were obviously rubbing (you could see where they were wearing). Still not sure if it is a good a quality as the Mossberg, but it works. Hope someone else can use this info.
Ken