NexxSpeed TDC Hop Up Chamber For Tokyo Marui G17 Gen4 GBBP Series ( TM GLK17 G4 ) Color:Silver * Magazine Capacity – 30

* Magazine Capacity – 30 / 120 rounds

which ensures compatibility with correct size MP5/HK claw mounts and 1913 rail

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KSC 40rds GBB Magazine for M4A1 ( System 7 TWO )

NexxSpeed TDC Hop Up Chamber For Tokyo Marui G17 Gen4 GBBP Series ( TM GLK17 G4 ) Color:Silver * Magazine Capacity – 30The CNC Aluminum Hop Up Chamber is machined with precise CNC tolerances from 7075 Aluminum for improvements in stability, durability and overall performance. It is designed with adjustment knob on the side, allowing to easily adjust without removing the Slide. For Tokyo Marui TM G17 Gen4 GBB Pistol Airsoft Series Included: NexxSpeed CNC Aluminum TM GLK17 G4 Hop Up Chamber x 1