V2 Gearbox Extra Piece

Styrak · January 19th, 2009, 23:45

Quote:

Originally Posted by m102404

TM style MP5's don't. The mechbox is "held" in place to the lower grip with the grip screws (usually 2) and the selector lever. In the upper the hopup unit fits/indexes the front end and the mechbox just sort of sits between the two receiver halves. The grip is held to the upper receiver by the front and rear cross/through pins.

CA style MP5 mechboxes are held much the same...but the lower slides into the upper. Which is nice because you don't need to take so much apart to get to the hopup unit.

At least...that's how I remember it...and it's late...me tired.

That's correct. But beats me what that pin is. Looks like an armalite mechbox/lower receiver pin.

theshaneler · January 19th, 2009, 23:46

its time to do what i did, start a WTF bag, i took a zip lock bag and anything that i have no idea about goes in there. that way you won't loose it and you can take it to some one with experience and maybe they can help

CDN_Stalker · January 20th, 2009, 00:02

Quote:

Originally Posted by m102404

F*ck me...that shouldn't be in a V2, nor a V3 mechbox...

I'm mentally going over an MP5...can't pick it out.

I do suggest you take a look at each of the posts that join the two plastic halves of the upper receiver together...there's several posts that mate up with holes/posts. I think (I really can't remember and I'm not going to the workbench to disassemble an MP5 to check) that some posts have rods like that. It might have pull off a post when you took the MP5 apart.

Tys

Armalite lower receiver retaining pin as I thought, except he got the length wrong, it's a bit over an inch, not 1/2", and I have no idea how it got in there.

And linking Broxa to an MP5............ I have zero clue about cheapo airsoft guns. Broxa sounds more like some NYC brand laxative to me.

zone 69 · January 20th, 2009, 00:17

Quote:

Originally Posted by Xtreme

Here's a picture

It is metal... it is possible it's a reinforcement for the safety, it does fit in there nicely.

Yes it look's like the pin shoud go in that little white tube for reinforcement. Do I win.????

Styrak · January 20th, 2009, 00:21

Quote:

Originally Posted by zone 69

Yes it look's like the pin shoud go in that little white tube for reinforcement. Do I win.????

No, you fail.

That white tube is part of the safety lever assembly.

CDN_Stalker · January 20th, 2009, 00:29

The saftey block fits on the white tube, then a screw goes in to hold it down.

In all the work I've dozen on all types of airsoft guns, the only time I've ever seen a pin like that is in Armalites. No other purpose for it, and sure as hell doesn't go into any MP5 I know that is out there.

dpvu · January 20th, 2009, 00:40

Keep in mind this is a Broxa, not a TM and even though it is a clone, Aftermath might have decided to stick a mechbox centering pin in there. Check the box to see if there's any holes around that size. It's probably somewhere in the middle of the box.

CDN_Stalker · January 20th, 2009, 00:50

Still it's a V2 mechbox design, very little difference between the makes, all still same origin. If it was say a Systema PTW MP5................... I wouldn't have even posted in this thread.

Looking at it more in comparison to the mechbox, maybe the size is closer to the 1/2" he said. Now I'm baffled, it isn't any part of a V2 mechbox, but isn't big enough to be an Armalite retaining pin (BTW, in a real Armalite type, is part of the trigger group, there are typically two of them).

Xtreme · January 20th, 2009, 01:13

I have looked over every piece and there doesn't seem to be a logic placement for it except in the safety where the screw goes into. Come to think of it when I was checking the gears I had it laying at an angle it could have fallen out of there. With it in there the screw still goes in with no problem. Could just be something weird Aftermath did.

There is no place to put a centering pin either. Also it is exactly a 1/2 inch in length.

Ya Broxa is a pretty crappy name, but it is Aftermath... not naming it an "MP5" probably helps with legal issues.

I'll be putting it all together tomorrow night... we'll see what happens.

Edit: Thanks for all the input by the way... even if there is no exact answer.

theshaneler · January 20th, 2009, 01:15

thats whats best, no one knows where its from, and it dosnt look like it will fit anywhere. just put it back together and see if it works, if it breaks well, it was a broxa and not a PTW not the end of the world

CDN_Stalker · January 20th, 2009, 01:32

Now that I think of it, TM MP5 shells are held together by short split pins that are about the same size. If there is a split down the side of that piece, then that is what is it, a guide pin that somehow fell out of the outer body. They are the same size as you mentioned, it's a body part, not a mechbox part. Hmmm, bet I just burst the puzzle wide open.

Buzzrexx · January 20th, 2009, 02:14

Quote:

Originally Posted by CDN_Stalker

Now that I think of it, TM MP5 shells are held together by short split pins that are about the same size. If there is a split down the side of that piece, then that is what is it, a guide pin that somehow fell out of the outer body. They are the same size as you mentioned, it's a body part, not a mechbox part. Hmmm, bet I just burst the puzzle wide open.

Yes, Stalker's right- that's what it looks like. I have a Broxa, and there are 2-4 of these pins all around the split halves of the clear receiver to help position it correctly.

Look carefully around the perimeter of the receiver before you put the halves back together- you'll find a hole that fits it perfectly.

That's what it is; it's not from the mechbox.

T_A_N_K · January 20th, 2009, 02:27

Are you sure that isn't the pin from the plastic body that keeps it together? Its usually a curved piece of metal, you should see a opening on the side and its usually hollow.

zone 69 · January 20th, 2009, 02:43

Quote:

Originally Posted by Styrak

No, you fail.

That white tube is part of the safety lever assembly.

HA ha ha Aftermath Broxa.

Xtreme · January 20th, 2009, 08:36

There is no slit on the side, it is solid. There are three guide pins in the receiver but they are about 4x the diameter, closer to an inch long, silver, and there is no hole small enough in the rest of the receiver. When I first saw it I thought it came from the receiver but I was pretty confident it didn't before posting.

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January 20th, 2009, 00:29	#21
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	The saftey block fits on the white tube, then a screw goes in to hold it down. In all the work I've dozen on all types of airsoft guns, the only time I've ever seen a pin like that is in Armalites. No other purpose for it, and sure as hell doesn't go into any MP5 I know that is out there. __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871 Last edited by CDN_Stalker; January 20th, 2009 at 00:49..

January 20th, 2009, 00:40	#22
dpvu Trader rating Join Date: Mar 2008 Location: Calgary	Keep in mind this is a Broxa, not a TM and even though it is a clone, Aftermath might have decided to stick a mechbox centering pin in there. Check the box to see if there's any holes around that size. It's probably somewhere in the middle of the box. __________________ JG HK416 KWA USP

January 20th, 2009, 00:50	#23
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	Still it's a V2 mechbox design, very little difference between the makes, all still same origin. If it was say a Systema PTW MP5................... I wouldn't have even posted in this thread. Looking at it more in comparison to the mechbox, maybe the size is closer to the 1/2" he said. Now I'm baffled, it isn't any part of a V2 mechbox, but isn't big enough to be an Armalite retaining pin (BTW, in a real Armalite type, is part of the trigger group, there are typically two of them). __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871 Last edited by CDN_Stalker; January 20th, 2009 at 00:53..

January 20th, 2009, 01:13	#24
Xtreme Trader rating Join Date: Dec 2008 Location: Lorette, MB	I have looked over every piece and there doesn't seem to be a logic placement for it except in the safety where the screw goes into. Come to think of it when I was checking the gears I had it laying at an angle it could have fallen out of there. With it in there the screw still goes in with no problem. Could just be something weird Aftermath did. There is no place to put a centering pin either. Also it is exactly a 1/2 inch in length. Ya Broxa is a pretty crappy name, but it is Aftermath... not naming it an "MP5" probably helps with legal issues. I'll be putting it all together tomorrow night... we'll see what happens. Edit: Thanks for all the input by the way... even if there is no exact answer. Last edited by Xtreme; January 20th, 2009 at 01:16..

January 20th, 2009, 01:32	#26
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	Now that I think of it, TM MP5 shells are held together by short split pins that are about the same size. If there is a split down the side of that piece, then that is what is it, a guide pin that somehow fell out of the outer body. They are the same size as you mentioned, it's a body part, not a mechbox part. Hmmm, bet I just burst the puzzle wide open. __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871

January 20th, 2009, 02:27	#28
T_A_N_K Trader rating Join Date: Sep 2006	Are you sure that isn't the pin from the plastic body that keeps it together? Its usually a curved piece of metal, you should see a opening on the side and its usually hollow.

January 20th, 2009, 08:36	#30
Xtreme Trader rating Join Date: Dec 2008 Location: Lorette, MB	There is no slit on the side, it is solid. There are three guide pins in the receiver but they are about 4x the diameter, closer to an inch long, silver, and there is no hole small enough in the rest of the receiver. When I first saw it I thought it came from the receiver but I was pretty confident it didn't before posting.

V2 Gearbox Extra Piece

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