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Machinegun developed by Heckler & Koch. Variable clip amount. Chambered for 7.62x51mm NATO.

A replacement, among others, for the M60 machinegun. It is fast-firing & somewhat-accurate.
There is also the HK23, which is chambered for 5.56x45mm NATO, and also has a shorter barrel.
"The HK21 is my machinegun! ^-^ "
-me
by Dave April 04, 2004
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Sep 12 Word of the Day
Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.
A:dude, Anatidaephobia is the coolest phobia ever!
B:quack!
by blank babushka October 24, 2009
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