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Some thoughts on the new PTS Mega Arms MKM


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#121 Jeffsworkshop

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Posted 13 April 2014 - 11:02 PM

Posted Image

View Postshangeric12, on 12 April 2014 - 04:04 PM, said:

Jeff: Are you using real-steel pivot/takedown pins and real-steel magazine catch? If so, What mods did you do to get them on or are they just a drop-in fit? As for fire-selector, how did you get the BAD-CASS on there in your older pictures... or is there any chance you will be selling the 45 degree selector centre? Thanks

I described the process required and the reason for the installation of the RS Pivot/Takedown pin on post #77 of this thread. The Pins I used, as Beach would have found through Google, is the Battle Arms Development ETP/EPP Set. They are absolutely superb by the way.

The Magazine catch was actually not Real-Steel. They are the Guarder steel Magazine catch and release button (the button is actually aluminium), and it required no mods to fit the MKM. In the photo I posted you could not actually see the allen screw on the button, as it was Photoshopped out to look more realistic.

The older pictures' B.A.D. Levers was attached to a modified Crusader Tech's B.A.D. Selector centre. It is completely incompatible with the PTS MKM, and one of my motivations to create the 45 degree ambi selector.

I do have plans to make some 45 degree selector centres to sell, but as they are quite tricky to mill, especially the 45 degree position divots, only a very limited run will be produced.

Edited by Jeffsworkshop, 14 April 2014 - 11:30 AM.


#122 Salah Ad-Din

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Posted 14 April 2014 - 02:15 PM

Hi Jeff, I need your help again.

I ordered the Guarded firing pin you recomended and am looking to install it.
Can you please confirm the correct lower body disassembly procedure?
I believe it would be as simple as removing the two pins that hold the tigger and hammer groups, but I applied some force and didn't accomplish much.
Do they have a particular side to push towards or some kind of safety block?

Thanks!

#123 BoobieM4H

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Posted 14 April 2014 - 05:48 PM

No need to remove the trigger group to get to the firing pin.

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#124 Salah Ad-Din

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Posted 14 April 2014 - 06:44 PM

Boobie, I'd be much obliged if you could tell me how it's supposed to be done, I'm no expert. Thanks!

#125 BeachEMT

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Posted 14 April 2014 - 07:33 PM

I think there's a whole thread with video on how to do it...

#126 Jeffsworkshop

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Posted 14 April 2014 - 09:11 PM

YouTube is your friend. You should thank Boobie for the video.


Edited by Jeffsworkshop, 14 April 2014 - 09:26 PM.


#127 Salah Ad-Din

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Posted 15 April 2014 - 02:27 AM

Thanks guys, I did spend some time the last two days looking through youtube but couldn't find it. I hope this goes well...


#128 Salah Ad-Din

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Posted 15 April 2014 - 02:36 AM

LOL that was easy! Thanks!
I wasn't pulling the hammer back...

#129 phillyc220

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Posted Yesterday, 09:53 PM

So I have installed the ra tech 6.01 and maple leaf bucking and tension arm into my mega arms. I've read through the other post specifically for this setup and have made minor bends in the arm to add more tension. I'm running with ksc .30 bbs and it seems I'm not getting the range I want it to yet. It seems the bbs curve down still.  I've seen through thr other thread that I need to bend the arm to add more tension which I have done and still need to fine tune, but as another poster said, it seems like there is little to visual signs if the hop adjustment when the set up is put together before throwing it back into the gun. Has anyone else experienced this and\or have any thoughts and suggestions?

Edited by phillyc220, Yesterday, 09:54 PM.


#130 netpoc

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Posted Today, 06:40 AM

Just keep putting a little more bend in the arm and testing. Try not to bend it back and forth too much because it will break.




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