GUARDER Stainless Knocker Roller for MARUI G17 Gen5 MOS GBB Airsoft

The GUARDER Stainless Knocker Roller is a must-have for the MARUI G17 Gen5 MOS GBB Airsoft. Made of durable steel, it ensures reliable performance and long-lasting use. Increase the lifespan of your GBB with this essential upgrade.