The Guarder Enhancement can be fits (Base on MARUI Type, Optional)

System : CO2 BLOWBACK/Adjustable Hop-Up
Material : Full Metal Alloy
Initial Bullet Speed: 85 m/s, 284 FPS ( 0.2g BB)
Weight : 935g (With Megazine)
Magazine : 24+1 Rounds

Item No.: KJ-1911.CO2
Suggested Retail Price: USD 165.00