Prometheus Flat Hop-Up Tensioner

SKU 4560329179185
  • A very innovative Hop-Up rubber buffer knub from Prometheus, Designed for low stress and high performance.
  • Featuring the flat type Hop-Up buffer knub.
  • Enhances BB flight in a long and straight line with wider contact point to stablize the BB. 
  • The pack includes two knub's, one soft and one hard.

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