Redwolf Airsoft CNC Precision Adjustable Hop Up Review | Airsoftology

Frustrated with the challenging-to-adjust stock Systema PTW hopup? We may have found the answer to your woes from Redwolf Airsoft. Buy it here: Want to support Airsoftology? Become a Patron at: Check out our store: Join the Conversation - Airsoftology Website: Facebook: Twitter: YouTube