pgc gearbox in a classic army m249 mk2
 

good pm sirs.just want to ask your expert opinion regarding the pgc gearbox in the photo.im just wondering if this will fit my ca m249.my stock m249 gbox shell is busted and will need a replacement.

http://img.photobucket.com/albums/v4...ps8c288350.jpg

cant seem to identify the pgc gearbox shell in the photo.planning on getting this if it will fit perfectly.