Krousis Defense/FMA RCB (Caiman) Helmet (BK / DE / FG) Color:Black Need spring change to decrease

Need spring change to decrease FPS for indoor

Check out this video for a more detailed comparison:

and easily slides into place and is guided by Magazine Guides for easy insertion

Inner Barrel Length - 294mm

Electronically controlled gearbox

Krousis Defense/FMA RCB (Caiman) Helmet (BK / DE / FG) Color:Black Need spring change to decreaseMaterials: ABS engineering plastics have good impact resistance, heat resistance and low temperature resistance. Weight: 860 g Size: adjustable for players within 61cm [M L 53 57cm] [L XL 57 61cm] Helmet sponge configuration: the MT helmet is specially equipped with high and slow rebound sponge +TPU+ double sided flannelet + high elastic EVA, 70KG slow rebound sponge, effectively protecting the head; High density sponge can relieve the head, improve