Magazine M4 A1 C8 GBR 30rds out of stock Weight: 170 g Shipping weight: Kleur:Everglade Weight: 170 g Shipping weight: 210 g HP Spring Not Included Min Output Pressure: 40 PSI Max Output Pressure: 145 PSI (~200 PSI with HP Spring KJ Works is one of the most experienced producer and manufacturer of GBB airsoft replicas in the market The reputation that KJ Works gained from the customers