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AG-K Diecasting Receiver Set For M4/16 Series (BK) -Air Force Rescue *Rare collector's item, only two available. Limited Edition Diecast Metal Receiver Body for Airsoft M4/M16 Series. Specification: Included -Aluminum Die-Casting -Dust Cover Set -Receiver Pin Set -Forward Assist Knob -Cocking Handle -Trigger Guard -Magazine Catch -Bolt Stop -Seletor -Fit All M16/M4 Series Weight: 575.00g |