AUTOMATIC VERSION! auto-lock, unlock mechanism
27HT/R/50/AUTOMATIC => RAPTOR AUTOMATIC 10-50MM 1200KG
27HT/R/60/AUTOMATIC => RAPTOR AUTOMATIC 15-60MM 1200KG
27HT/R/75/AUTOMATIC => RAPTOR AUTOMATIC 30-75MM 1200KG
VIDEO:
https://www.youtube.com/watch?v=dK_kp6Vvj-Y&feature=emb_title