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ProArms TM M870 CNC steel arm

by Pro Arms SALE
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Despite being made by Tokyo Marui and being the best gas airsoft shotgun on the planet, the M870 suffers from weak loading arms.  Heavy use of the pump action forearm can wear down and break these critical components.  Pro Arms addresses this issue with their precision machined steel loading arms.  Built to withstand frequent, long term use, these arms will greatly increase the durability of your awesome Tokyo Marui product.

  • CNC Machined parts of steel and aluminum
  • Increase your gas air flow for better performance
  • Made for Tokyo Marui M870 Gas Shotguns


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