Piston Airtight O-ring for Jinming Gen8 Gen9 Scar V2
Jinming JM Airtight O-ring
Color: white; green; black
Compatible with most gel ball blasters. Kriss Vector V2, SKD m4ss, JM Gen8 Gen9 Scar V2 and v2 gearbox like HK416, KUBLAI M4 etc,.
Product Size: 1*1*1cm
Product Weight: 10g
Package contents: 5pcs or 2pcs or 1pc of o-rings
Here is the gel blaster spring upgrade