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  • For Striker S1
  • 8 Ventilation Holes
  • Stainless Steel Construction

A purpose built Piston, designed for use with the ARES AMOEBA Striker S1 series of Bolt Action Airsoft Spring Sniper Rifles, to improve their performance durability.

  • 550FPS Kit
  • Aluminium Made
  • Piston / Spring Guide

A high-power Upgrade Kit for your WELL MB Series Sniper Rifle, that will take your output FPS up to a massive 550FPS w/ 0.2g BBs. This drop in Kit comes supplied with a hard Aluminium Piston, a 550FPS Main SPring and an Aluminium Spring Guide w/ Bearings. If you own a WELL MB-01/MB-05/MB-06/MB-08 and want to take it's performance to the next level, then this WELL Upgrade Set is exactly what you need.