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how to choose a good beginner airsoft aeg assault rifle and a gas 1911?

I need good idea's for good beginner/intermediate airsoft aeg assault rifle such as a famas,ak-47,m4,etc.
and metal internals and good upgrade ability and around $150
and a good gas 1911 for around $100
 and what to get after this? m14,p90,mp5,l85,shotgun,etc
too many choice's, for example:
also I will be doing cqc and woodland

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