SiJun SJ M4 MK18 Magazine - It comes with the

- It comes with the mounting grub screw and adjustment grub screw as well as the required hex key

these buffer tubes are compatible with a variety of gel blaster models like the JM J8 J13

Also through the purchase of D ring

Search "ESHOOTER" in the App Store to download the APP

Can be folded with either large or small aperture in position

SiJun SJ M4 MK18 Magazine - It comes with theSJ M4 Original Magazine For sijun sj m4 cqb , sj hk416 and sj mk18 gel blaster gun. fit 7 8mm gel balls. Specifications: Brand: sijun. Color: black. Material: nylon. Color: black. capacity: 200 250pcs gel balls Package includes: 1* sijun m4 gel blaster mag.