SHS - Upgrade Spring M110 (350~380fps) - TH1013

Features:

Upgrade your AEG's fps to 350 ~380fps.  It is highly recommened to upgrade plastic bushing and spring guide to metal bushings and spring guide with this product.

Specification:

• Material: Piano wire
• Gross weight: 20g
  
• Color: Silver
• Qty: 1pc M110