M4 Casv S System Aeg Airsoft Gun Rifle Metal

airsoft gun
Airsoft guns are replica firearms that propel plastic pellets by way of compressed gas or a spring-driven piston.

s system
In theoretical computer science, a semiautomaton is an automaton having only an input, and no output. It consists of a set Q of states, a set ? called the input alphabet, and a function T: Q ? ? > Q called the transition function.

rifle
plunder: steal goods; take as spoils; "During the earthquake people looted the stores that were deserted by their owners"
go through in search of something; search through someone's belongings in an unauthorized way; "Who rifled through my desk drawers?"
Troops armed with rifles
A gun, esp. one fired from shoulder level, having a long spirally grooved barrel intended to make a bullet spin and thereby have greater accuracy over a long distance
a shoulder firearm with a long barrel and a rifled bore; "he lifted the rifle to his shoulder and fired"

metal
cover with metal
metallic: containing or made of or resembling or characteristic of a metal; "a metallic compound"; "metallic luster"; "the strange metallic note of the meadow lark, suggesting the clash of vibrant blades"- Ambrose Bierce
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel)
Gold and silver (as tinctures in blazoning)
Broken stone for use in making roads
metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

aeg
(AEGs) Airsoft guns are replica firearms that propel plastic pellets by way of compressed gas or a spring-driven piston.
all edges gilt.  See also teg.  Interestingly, this wasn't just for show - Gilding the edges of pages retarded browning - clever, eh?
Allgemeine Elektricitats-Gesellschaft (AEG) (literally General Electricity Company) is a German producer of electrical equipment founded in 1883 by Emil Rathenau.

m4
GNU m4 is the GNU version of the m4 macro preprocessor. It is designed to avoid many kinds of limits found in traditional m4s: limits like maximum line lengths, maximum size of a macro, number of macros, etc. Removing such arbitrary limits is one of the stated goals of the GNU projects.
The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16, all based on the original AR-15 designed by Eugene Stoner and made by ArmaLite. It is a shorter and lighter version of the M16A2 assault rifle, with 80% parts commonality.
An Enigma machine is any of a family of related electro-mechanical rotor machines used for the encryption and decryption of secret messages. The first Enigma was invented by German engineer Arthur Scherbius at the end of World War I.