WELL PRO KS1/ KS3 30 Rds M4 Gas Magazine

Key Feature Metal Construction Airsoft Gas Magazine 30 Rounds Loading Capacity Suitable for 6mm Plastic Bullet only Last Round Bolt Hold (LRBH) Switch ? Toggle on/off for: Gameplay: Auto bolt-lock on empty (when enabled) Dry-Fire Practice: Disable LRBH to simulate firing without BBs Best accompanied with Plastic Bullet Loading Too or Speed Loader Suitable For WELL PRO M4 Series Airsoft Gas Blow Back GBB Rifle