Hop Up Bucking & Nub Prometheus Firm Type 60°

With their 60° hardness, these Prometheus Firm Type hop up bucking & nub offer the ideal friction distribution for replicas that shoot between 350 and 400 FPS.

To achieve the best results, it is recommended to use BBs with a weight between 0.28 and 0.32 grams in combination with this Prometheus Firm Type 60° hop up bucking & nub.