Once Form 1 is approved, I'll be having the stock barrel pulled and a proper Navy short barrel installed--including the proper threading and three-prong muzzle guard. Should be a hoot to shoot, and much more utilitarian for work.
I'm thinking something like this:
http://www.hkpro.com/image/hk94swat.jpg
And for reference, that photo IS in fact a 94 and NOT an MP5. Note the barrel, mag release, trigger pack, & semi-auto setup.