HIGH SPEED M120 ENGINE IMPROVED DESIGN AND HIGHER SPEED SHORT SHAFT G&P (GP690)

Short motor with improved design and higher speed for tuning on 90 / M110, M120 and M130 springs
High speed motor m120 with short shaft
Shaft with double bearing and pinion
In tempered steel
For aAK, RK, SLR, AUG, MR
weight 100gr.