Quote:
Originally Posted by sanosuke689
GBB rifles aren't common because they are expensive and can ONLY run off an external air system. Some older classics like JAC and MGC operate on a BV (non-moving) air system which allows them to utilize internal tanks.
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That's not entirely true. There are "Classic Rifles" (such as the Marushin M2 Carbine) that use gas blow back, and do so effectively, without an external system. These are about the only rifles that are common on the field and they shoot with fairly good power (and pack a punch with a 8mm bb) and accuracy. However, their mag limitations make them almost unusable (16 bb's and full auto capability in the M2? that's just silly).