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 Rap4 Gen4 Box Magazine repair

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StormShadowz
Black Ops
Black Ops


Posts : 2438
Join date : 2012-04-06
Age : 50
Location : Springfield,Tn

Rap4 Gen4 Box Magazine repair Empty
PostSubject: Rap4 Gen4 Box Magazine repair   Rap4 Gen4 Box Magazine repair EmptySun Sep 30, 2012 11:52 pm

As some of you may know..i purchased a gen4 box mag...i did powered it up and loaded...worked fine...fired about 100 rounds and thought nothing of it. Well had a big game to go to yesterday and it was my chance to go totally magfed...Low and behold at chrono the box mag crapped out..ended up using my P90 for the rest of day.

When i got home i did a tear down of the box mag to see what was going on. This thing had more cracks than the San Andreas fault..i checked the Rap4 website to source out parts and it came to a grand total of about 130bux minus the shipping...so i thought id attempt to repair it myself....

My opinion the box mag is a great design...but has a major flaw...its structurally weak where the magazine housing is connected to the actual box..I assuming the person who had this before me either did a number of ground ejections or it was just plained dropped numerous times...so i beefed that area up as part of the repair...the repair pics are posted chronologically :)

First the damage pics:

numerous cracks where the mag housing is connected to the box
Rap4 Gen4 Box Magazine repair 536078_10152139861805361_284366737_n

more cracks
Rap4 Gen4 Box Magazine repair 229229_10152139862450361_1235326848_n

feed neck connected to feeding tray...CRACKED
Rap4 Gen4 Box Magazine repair 399729_10152139864260361_696754044_n

the other half of the feed neck
Rap4 Gen4 Box Magazine repair 298687_10152139862985361_1985336335_n

one half the magazine housing cracked
Rap4 Gen4 Box Magazine repair 545521_10152139938755361_1290745136_n










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StormShadowz
Black Ops
Black Ops


Posts : 2438
Join date : 2012-04-06
Age : 50
Location : Springfield,Tn

Rap4 Gen4 Box Magazine repair Empty
PostSubject: Re: Rap4 Gen4 Box Magazine repair   Rap4 Gen4 Box Magazine repair EmptyMon Oct 01, 2012 12:02 am

On to the repair pics

cut some 1/4" plastic to brace the magazine feed part of the box mag also "smeared" jb weld on the hair line cracks themselves for some added strength
Rap4 Gen4 Box Magazine repair 425972_10152141278710361_2004564813_n

screwed the smaller pieces to the inside of the magazine feed
Rap4 Gen4 Box Magazine repair 644677_10152141279055361_1083865911_n

the bigger pieces of plastic screwed to the outside of the housing
Rap4 Gen4 Box Magazine repair 543257_10152141279380361_1316502919_n

the outside pieces act as a filler to stop the magazine from moving side to side because this is the weak part of the whole setup...nice one RAP4...those same piece have a dual function..it keeps the housing in place...its alot STRONGER than it was
Rap4 Gen4 Box Magazine repair 156289_10152141279720361_1804762814_n

now the magazine part is actually screwed to the box itself..
Rap4 Gen4 Box Magazine repair 298641_10152141280295361_606848683_n

and 2 new screws at the bottom...
Rap4 Gen4 Box Magazine repair 282026_10152141280870361_1733902044_n

i used epoxy to put the feed neck back together
Rap4 Gen4 Box Magazine repair 400849_10152141281175361_1145079562_n

smeared JB weld on all the connecting points for added strength
Rap4 Gen4 Box Magazine repair 60111_10152141281430361_1392925809_n

Then after some drying time..the box mag was put back together and tested..
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StormShadowz
Black Ops
Black Ops


Posts : 2438
Join date : 2012-04-06
Age : 50
Location : Springfield,Tn

Rap4 Gen4 Box Magazine repair Empty
PostSubject: Re: Rap4 Gen4 Box Magazine repair   Rap4 Gen4 Box Magazine repair EmptyMon Oct 01, 2012 12:04 am

Now on to the test video



the wiggle is gone and its probably alot stronger than it was...even when it was brand new Very Happy

no ball breaks :)
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