2012 (Version 2.0) 30 Round Open Bolt Gas Magazine Internal Replacement Kit (fits all original WE M4 GBB magazine shells)

With the launch of our Advanced Weaponry Simulator System (A.W.S.S.) in 2008, we've set our sights on re-defining the use of realistic, gas blowback platforms as viable training options for professionals, namely military and law enforcement personnel.

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