The Joy of Full Auto

Full auto is a very fun thing.  These days, it’s also a very expensive fun thing.  Sorta like Las Vegas hookers… but I digress.  The HK G3 is a classic full auto battle rifle in .308 (7.62×51 NATO).  It’s deployed everywhere and, even though it is showing it’s age, is still pretty fierce.  In it’s original configuration, the G3 had about an 18″ barrel.  A shorter version was fielded with a 12.5″ barrel called the G3K.  HK also released civilian models called the 91.  Of course, people could not leave well enough alone.  Enterprising builders developed the HK 51K.  This is, for all intents and purposes, a .308 pistol.  And that is silly.  Why?  Because you don’t have enough barrel to allow the complete combustion of all the powder in the cartridge.  And *that* makes for a nasty fireball at the muzzle that can jack with your sight picture.  Of course, it’s still pretty friggin’ fun.


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