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Rock river arms m4
Posted: 9 months ago | Upgraded gearbox







Item Description
Full metal m4
Shs gears
Shs piston
Shs piston head
Shs cylinder
Shs cylinder head
Perun v2 MOSFET
Tight bore barrel 6.03 ics barrel
New hop rubber
Comes with red dot scope and wasdn torch
Collection only
- Category: Assault Rifles
- Location: Rotherham
- Condition: Used
- FPS: 330*
* All FPS figures are approximate as temperature, gas, manufacturing changes can all affect the FPS.