AR-15s

DodgeLad said

thx for tolerating my stupid noobee questions lol

what it the difference between Weaver, Piccatiny, and MLOK?

thoughts on this? say holographic, what does that mean?
GGD Holographic Red/Green Dot Reflex Sight

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No such thing as a stupid question, invariably you are asking the same thing ten other guys are wanting to know the answer to. You just had the courage to ask! Well done Sir. And you got a great answer with pictorial references!