King Arms M4 50rds GBB Magazine (Version 2)

King Arms M4 50rds GBB Magazine (Version 2) Metal Construction WA System Magazine 50 Rounds Laoding Capacity For 6mm Plastic Bullet only Best accompanied with Plastic Bullet Loading Too or Speed Loader Suitable For King Arms M4 Series Airsoft Gas Blow Back Rifle/ WA M4 Series GBB Rifle Airsoft Guns