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It all depends of the company making it. A Tokyo Marui M1A1 Thompson would be better than a cheap Wal-Mart M4. But a Classic Army M4 would be better than a CYMA M1A1 Thompson.
The AK 47 Is Better Then m4
It depends on which companies make the m4 you have, but generally companies stick to the same dimentions for magazines for the m4/m16 family.
m4 there are spare parts
The best airsoft gun you could get for $150 would probably be an Aftermath gun, but you could get a JG M4 or M16 for under $150
One would be able to find out more information about m4 airsoft guns online on Amazon. Two other sites that have some information about m4 airsoft guns are wikiHow and HobbyTron.
G&G sportlines ares m4 king arms m4 echo 1 guns aps guns jg guns those nice cyma ak's on airsoft megastore
The M4 CARBINE IS BETTER THAN THE M16.
Most airsoft battles take place in close quarters which is what the m4 was made for. Unlike the m16 which was made for longer ranges
yes
Yes.
Walmart Black Ops M4