Description
Modify Polycarbonate Piston Head with Trust Bearings echo1 usa The traditional style hop up units nylon fiber DEFCON TAC CD OD Length:12" MLOK GLOCK18C Silver Slide H The traditional style hop up units with the small adjustment wheel on the side are usually either too hard to fine tune and rotate smoothly or too loose and vibrate loose and back off from your idea hop up setting Extremely Straight with High Rigidity and Accuracy Guided by an O Ring to reduce barrel vibration