GUARDER Steel Valve Knocker Parts for MARUI G17 Gen5 MOS GBB Airsoft

These GUARDER Steel Valve Knocker Parts are designed specifically for the MARUI G17 Gen5 MOS GBB Airsoft. Made of high-quality steel, these parts ensure durability and improved performance. Upgrade your G17 with this essential replacement part for a more reliable and efficient airsoft experience.