With the extra parts I had left ever from making the tutorial for the MG47ES is am building a MG47ES ak based bullpup. I uses an AK barrel, trunnion, ES receiver, gas tube, gas pistion, FCG tray assy, RPD topcover assy. I am using a RPD topcover because it is about 2" shorter than the MG1 top cover and will allow me to shorten the receiver by 2" also.
You should put a face shield over the belt entry that hinges over it.I carried the M60 for 6 years what with no a gunner,5 belts and my personal gear in the Cav whats heavy about this?
Now how are we gong to get ourselves one of these?
The BP is basically a MG47ES with out a butt stock and the pistol grip mounted under the barrel. The receiver is a shortened MG47ES and the bolt carrier, and FCG is from the extra parts I made for the ES tutorial that's why it is heavier than necessary. It could be made with 1/16 rather than 1/8 receiver material and save a lot of weight. There is only a few real differences. For details, just ask and I will take some better pictures.
I have used Hot roll A36. The firing stress is taken by the locking lugs so it doesn't have to be an alloy. I have not tried aluminum but I see no reason it would not be fine. I believe that M249s are aluminum. I have put thousands of rounds through one made out of A36 with no sign of problems and that is with a screwed trunnion and not a riveted one. I used grade 10.5 socket head cap screws torqued to max recommended value though. They have not come loose or backed out.
Sharps Shooter 5090
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