BerserkDS Posted September 5, 2014 Report Share Posted September 5, 2014 Oh yea, totally forgot to mention. Nebula nozzles are garbage. I've installed 4 on 4 different guns and all have broken In the same place, straight down the middle of the bottom. Sigh. Quote Link to post Share on other sites
DeltaZero Posted September 6, 2014 Report Share Posted September 6, 2014 Oh really? What about the aluminium one? Is there another option available at the moment? Sent from my iPad using Tapatalk HD Quote Link to post Share on other sites
BerserkDS Posted September 6, 2014 Report Share Posted September 6, 2014 Have not yet tried the aluminum one yet. The only other option for a plastic nozzle is pro arms. And that's not really an option. Quote Link to post Share on other sites
Drifty Posted September 11, 2014 Report Share Posted September 11, 2014 Geko have you purchased the Breacher? I would love to see it take down and if tm did make another other changes Quote Link to post Share on other sites
DeltaZero Posted September 11, 2014 Report Share Posted September 11, 2014 I've got a breacher. Take down is practically Identical except for the pistol grip/stock difference. The pump grip is obviously shorter and the mechanism is also shorter slightly. Internally from what we could see its practically identical. Only change we found was that the loading arm now has a metal pin through the plastic arm rather than a plastic pin with metal tips. Also got my breacher firing back on 6 shot. That selector switch spring had unseated! 1 Quote Link to post Share on other sites
Drifty Posted September 11, 2014 Report Share Posted September 11, 2014 I've got a breacher. Take down is practically Identical except for the pistol grip/stock difference. The pump grip is obviously shorter and the mechanism is also shorter slightly. Internally from what we could see its practically identical. Only change we found was that the loading arm now has a metal pin through the plastic arm rather than a plastic pin with metal tips. Also got my breacher firing back on 6 shot. That selector switch spring had unseated! So the metal pin should help then, do you recommend buying the nebula loading arm as a back up? Quote Link to post Share on other sites
DeltaZero Posted September 11, 2014 Report Share Posted September 11, 2014 Well where mine broke was the plastic pin had bent slightly and the metal tip had sheered off. Now as it's a complete metal pin I would assume that unless you jam it and force rack the pump you'll be fine. I bought the Pro Arms CNC loading arm and ended up having the new reinforced pin in the tactical that I'm selling and putting the Pro Arms in my breacher cause it cost a bomb so thought I might as well! I assume it'll be stronger but how much stronger I've no idea! Quote Link to post Share on other sites
aznriptide859 Posted September 13, 2014 Report Share Posted September 13, 2014 Was browsing Arms-Cool, seems someone has taken the G&P stock adapter, modded a UBR to it, and custom made a QD gas tank solution under the UBR. http://www.arms-cool.net/forum/thread-154613-1-1.html Awesome if you ask me. Quote Link to post Share on other sites
FTZ-WildeCard Posted September 14, 2014 Report Share Posted September 14, 2014 Agreed awesome, but G&P do offer the kit with a UBR already. http://www.gp-web.com/en/productspop.php?pid=3815 Quote Link to post Share on other sites
FalcoNg Posted September 30, 2014 Report Share Posted September 30, 2014 My apologies if this has been answered before in a previous thread but does anyone know if the two receiver pins near the trigger would match up with the real m870? In other words, would accessories for the real m870 be able to mount on the marui? Thanks Quote Link to post Share on other sites
Jonesy Posted October 9, 2014 Report Share Posted October 9, 2014 Can't get my tactical to fire six rounds. Took it apart, the selector spring seems to weak. Even when properly seated (as best I can tell from the pictures provided), the spring fails to hold the selector in the correct place when the slider is on six shot.Very annoying. 1 Quote Link to post Share on other sites
DeltaZero Posted October 9, 2014 Report Share Posted October 9, 2014 Mine does that too.. anyone got a fix? Quote Link to post Share on other sites
GSO-Geko Posted October 9, 2014 Author Report Share Posted October 9, 2014 Can't get my tactical to fire six rounds. Took it apart, the selector spring seems to weak. Even when properly seated (as best I can tell from the pictures provided), the spring fails to hold the selector in the correct place when the slider is on six shot. Very annoying. Mine does that too.. anyone got a fix? I have experimented with mine a bunch, tried shimming the selector up and down, replacing the spring, etc. I even have the Pro Arms Aluminum Nozzle set and Loading Arm. Nothing fixes this issue. But rest assured, if I do manage to figure it out or (more likely) someone else does, I will post it here ASAP, as I would hope anyone else would too. 1 Quote Link to post Share on other sites
Jonesy Posted October 11, 2014 Report Share Posted October 11, 2014 (edited) Dare I ask how you got the stock pump grip off the arms? I just brought home a new magpul pump, but can't see the obvious way to get the stock pump off the arm assembly. Edit*Nevermind... Figured it out. The wrench Magpul included was quite helpful. Edited October 11, 2014 by Jonesy Quote Link to post Share on other sites
GSO-Geko Posted October 21, 2014 Author Report Share Posted October 21, 2014 http://shop.ehobbyasia.com/blackcat-replacement-spring-set-for-marui-m870-shotgun-mechanical-box.html#.VEbtfPnF98E Replaced the feed arm springs with those from this set, 3 and 6 shot now work. Replacement springs in both of the Blackcat sets are much stiffer than the originals. Set pictured replaces all the springs inside the frame. Alternate set replaces all the springs between the frame and the body. Quote Link to post Share on other sites
Jonesy Posted December 14, 2014 Report Share Posted December 14, 2014 Neat. I ordered a set of these springs weeks back, and never took them out of the envelope when they arrived. I just ordered a SAT steel arm from redwolf, so when that arrives I guess I'll install them all in one shot. Quote Link to post Share on other sites
Jonesy Posted December 30, 2014 Report Share Posted December 30, 2014 The arm has arrived, and the shotgun is disassembled. Unfortunately, when I pulled the plastic half of the "gearbox" open the spring loaded components inside for the loading arm, and I think the gate switch became unseated, and I'm not entirely sure on how it all goes back together. I can't seem to find a video or schematic detailing that area. Anyone have resources on that area? Quote Link to post Share on other sites
Jonesy Posted December 31, 2014 Report Share Posted December 31, 2014 Figured it out. Racking seems a lot more stiff than it was before, and it seems to only fire two rounds on three shot, and five on six shot.Still an improvement over none, and 1-2, in respective modes. Quote Link to post Share on other sites
Nightwolf Posted January 12, 2015 Report Share Posted January 12, 2015 I love my breacher but it's kinda an odd bird. While everyone is having problems with the 6 shot mode, I have troubles with the 3 shot mode. It wont work at all. It will always fire 6bbs. Any experience with it? I opened it, did the hamer upgrade and checked the other parts but couldn't find what was wrong. Quote Link to post Share on other sites
DeltaZero Posted January 12, 2015 Report Share Posted January 12, 2015 Check the spring behind the little selector is still there.. mine was doing that and it turns out i'd lost the spring! Quote Link to post Share on other sites
Nightwolf Posted January 12, 2015 Report Share Posted January 12, 2015 You mean the one that is shown in GSO geko his post? That is still there. Quote Link to post Share on other sites
Ginger Chris Posted January 24, 2015 Report Share Posted January 24, 2015 Hey guys, I'm wondering if you can help. My Breacher gas tanks are spewing gas out the bottom of the tanks, likely from the latch which holds the gas tank in the grip - I've been using Green gas in this thing, ay advice on fixing them? Am I looking at tank swelling and therefore some gaps due to deformation opening up on the tank cos if so I'm going to bin these and get an angrygun stock tank. Quote Link to post Share on other sites
Lintott Posted February 7, 2015 Report Share Posted February 7, 2015 Reading this thread I get the impression this shotgun breaks down a lot. Is that an accurate impression? Makes me worried about getting one. Sent from my iPad using Tapatalk Quote Link to post Share on other sites
Danke Posted February 7, 2015 Report Share Posted February 7, 2015 Mine hasn't broken down at all.. I only opened it up to swap the forerip and stock. It's like any other product; the folks who have problems complain long and loud, and the folks who don't just tend to get on with their lives. I think the most important thing is to be carefull when you load and shoot. If you have a missfeed or other issue make sure you clear it before continuing to rack it. 1 Quote Link to post Share on other sites
DeltaZero Posted February 7, 2015 Report Share Posted February 7, 2015 +1 to the above. No issues with my breacher yet, after I changed the loading arm actually.. Quote Link to post Share on other sites
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