3Pcs Metal Picatinny Adjustable Rail Set for Keymod and M-Lok Color:black and every essential you need

and every essential you need — all right at your fingertips without a bulky backpack

Package Contents:  1x toy blaster nerf Face Mask

Gearbox protection

Fit For both JM J8 M4A1 gearbox and xm316 Gel Blaster Gun

3Pcs Metal Picatinny Adjustable Rail Set for Keymod and M-Lok Color:black and every essential you needExpertly designed for tactical use, this 3 piece adjustable metal rail set is compatible with both Keymod and M Lok systems for gel blasters or airsoft handguard. Crafted from high wear resistant material, the rails offer a secure and adjustable platform for attaching 20mm picatinny accessories. Available in black, tan, and green, with lengths of 105mm and 55. 5mm. Features: hard Metal material made 3pcs adjustable section rails, high wear resistance.