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Old February 22nd, 2015, 08:38   #301
fuhrmanz
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Ah ok, further inside the body. Look out for the little springs. I learnt it
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Most, however, are garbage. But they're garbage that works.
Just like real AKs.
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Old March 18th, 2015, 16:44   #302
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Got inside this gun,several times
not really troublesome inside though its best to diagram it out.

Took apart the expansion chamber gave it a lube, still have issues with gas leak but it seals itself after a bit of a filling.

Took the opportunity to purchase a Pro Arms valve kit, will discuss when I install.

Found WIITECH on the bay,
purchased and installed the set of aluminum loading arms(both not just the single one that PA and some other have in steel) they are working as they should.I did put a thin film of superlube between the plates.

WIITECH also has a bunch of other M870 upgrade parts,

a stainless steel valve pin(which I think may be my culprit but didn't install due to ordering Pro Arms valve kit after)
2 aluminum nozzle sets for duster or TOP(propane)
an aluminum hop housing
a 3 barrel upgrade
Steel lever set
steel hammer
steel trigger upgrade
and other upgrade bits
shipping has been auto refunded as I purchased in bulk several times so first package with loading arms and steel valve was about $13 USD but original shipping at checkout was about that per item
it came Airmail with signature,took appx 5 days to get here and a bunch of dead time with Canadapost and CBSA

Have not seen this brand at any Airsoft sites I visit and they have a lot of upgrades for many other items so I'm surprised at just finding them
I will update with my findings as I receive and install

I have the Angry Gun gas stock installed and now that my M870 works well enough I am pleased with how it works, I still get the tank running empty after a bit in storage but am so far blaming it on the expansion chamber

Had sold my Tonic gas tank and had received notice that it seemed to swell much like the stock marui one, and buyer could not get it to fit in the stock. I had managed to get a few shots out with it and had no fitting issues, though I only filled the tank 2wice before my oring troubles and that from a not so full propane tank,

Happily got a fun shotgun now, sadly brand new ones are now available for less.
Happilly it looks very easy to tap the stock fitting with a 1/8 threading so it's HPA friendly, I wish I knew how to though.any capable takers here?

Anyone got a line on Breachers for less than$600 taxed in Canada?

and finally, has there been consensus yet as to how to chrony this gun at games?
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Old March 24th, 2015, 18:38   #303
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Hey Jamuke, I ran for the first time ingame the Angry Gun gas tube and I don't hear it filling (but it does) and can't figure out when its technically full. I'm always stressed that I'll run out of juice.
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Most, however, are garbage. But they're garbage that works.
Just like real AKs.
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Old March 26th, 2015, 01:24   #304
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you should count out twenty one thousand when filling

or you can zen out and feel the gas exchange,

once you get that solid pfffft and small white cloud of gas when you stop filling you should be done.

it's a silent fill valve so it won't spray like a marui mag
when full
but really you won't overfill or blow a ring,once the pressure in the stock tank and the propane tank are equal the filling stops

you can really tell on an almost empty propane tank, if you cup the stock pipe opposite the fill valve you can sort of feel the propane flowing in
I haven't had a chance to see how many shells I can run through on a fill
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Old March 26th, 2015, 14:28   #305
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Quote:
Originally Posted by fuhrmanz View Post
Hey Jamuke, I ran for the first time ingame the Angry Gun gas tube and I don't hear it filling (but it does) and can't figure out when its technically full. I'm always stressed that I'll run out of juice.
Solution: Same size as a tornado grenade.

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Old March 26th, 2015, 14:35   #306
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Quote:
Originally Posted by jamuke View Post
Anyone got a line on Breachers for less than$600 taxed in Canada?

and finally, has there been consensus yet as to how to chrony this gun at games?
For Chrono, no, you can't really chrono 3 bb's at once. Could try putting one bb in the shell, and go by that.

My source was bringing them in custom pre-order for $500 cash. PM ME, can give you details, don't know if they are still that price.
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Old March 26th, 2015, 16:36   #307
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When I place the propane tank upside down to fill gas into mag or gas tank, I'll keep the propane tank close to my ear to hear the filling sound, siiiiiiii. When the sound turning from high to low, means almost full, when no noise at all, means full. Usually I will release the propane tank when the filling sound turning into low. I don't like to fill in complete full cause if it will have excessive gas shoot out from the first few shot and that could damage you release value in a long run.
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Old March 26th, 2015, 18:09   #308
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Thanks all for the input. It blew me off a bit when I saw it silent valve (my gas guns are TM so spilling is normal for me)

Also, I manage to stuck a BB before the chamber so I gonna need to take it apart again.
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Most, however, are garbage. But they're garbage that works.
Just like real AKs.
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Old April 17th, 2015, 15:55   #309
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Hey jamuke, anything update or new from your 870?
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Old April 17th, 2015, 18:52   #310
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Not much time to stick in upgrades.
My angry gun stock fill valve went kaputs but happily it takes fill valves which i beleive came from a maruzen MP5k mag( but maybe not I have so many parts).

My stock expansion tank still has the issue where gas escapes when filling but soon seals itself.

just got a new job so I`ll have some time now to upgrade stuff.
I`m going to wait until I order the top gas loading nozzle and maybe the inner barrels.

Does anyone make aftermarket hop rubbers yet.

I find the Wii tech loading arms to be working pretty well but I do still get some double feeds but they seem to originate with the shells, if I don`t fill them to full capacity the dbl feed issue goes away
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Old April 17th, 2015, 21:37   #311
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What did you mean by double feed? How often you game it? I would like to see what others problems or issues would come up since I don't game much. Thanks.
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Old April 17th, 2015, 23:45   #312
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by double feed I mean when you rack it but the charging handle does not lock in and you need to rack it again to fire

usually won`t happen if I don`t fill the shells to the max
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Old August 19th, 2016, 15:38   #313
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Sorry for the necropost, but does anyone happen to know of a canadian retailer that sells the angry gun stock for the tm m870 ?
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