MODIFY Accurate Hop Up Chamber M4 Sub-Machinegun and its free floating design

and its free floating design adds additional accuracy by ensuring that no part of the rail touches the barrel itself

23 or heavier bb

02mm Barrel for Systema PTW CQB-R

• This is a Sling Backpack has a lot of storage space for its size with many compartments and pockets to help organize your gear

20g BB 310 Min MPS /w 0

MODIFY Accurate Hop Up Chamber M4 Sub-Machinegun and its free floating designDescription: MODIFY Accurate Hop Up Chamber M4 One Piece Precision Hop Up Unit Built for Speed and Accuracy Designed for highly precise hopup tuning Redesigned pressure plate by adding an adjustment gear allowing for easier, more accurate adjustment Includes Chamber Parts (Bucking not Included