Yessir, it was you I was asking. I read recently where

by Lee J. , hagerman,NM, Saturday, November 30, 2013, 14:38 (3954 days ago) @ John K.

Look it up please, because my copy was sold and never replaced. It could have been reference to some work I did with Mitch Werbell 2, reference an order from the Imperial Palace Guard in Thialand. Made several trips to Powder Springs. Actually at one time I was a certified employee of MAC
This certificate a photo I.D. That allowed me to fly Domestic Airlines with fully automatic weapons as well as Suppressors. Can you imagine that in todays world?
They ,MAC had a contract with the above mentioned facility and also included 100K rounds of sub-sonic ammo for the MAC 11 in 9 mm caliber.
They knew about our Naval Intelligence contract. The heavier blowbact bolt in the MAC 11 required a heavier bullet to met the cyclic rate of fire, which was significantly higher than anything else available at the time. My concern at the time was a cartridge profile that met SAAMI standards. This turned out to be a non-entity because of going out of county. Also, the chamber and throat allowed a longer seted projectile.
The Mod that was later designated 58 was the commercial variation of the gun that was developed for the Navy Seal prokject, that's another story but similar. LEJ