WORKER Harrier Upgrade Mod Kit, Stronger Spring and Longer Barrel, etc.

Please click here to purchase Harrier Blaster Decor for 550 Barrel Color: titaniumMaterial: aluminum alloyProduct weight: 160GMore beautiful and harmonious with 550 barrel (titanium color), forming the appearance of the sniper gun.   Bearing Slider Color: whiteMaterial: POM+metalProduct weight (G): 25GWith pom bearing as standard, it is more labor-saving when loading. It can be replaced with metal bearing, but it will rub with the metal inner tube, but it will not affect the function. 1.6 × 250 Spring Color: SilverMaterial: high-quality piano lineProduct size (mm): wire diameter 1.6, 35N, 11 * 270mmImprove performance (initial speed, range, accuracy), high-quality piano line, durable. 1.6 × 300 Spring Color: SilverMaterial: high-quality piano lineProduct size (mm): wire diameter 1.6, 39N, 11 * 310mmImprove performance (initial speed, range, accuracy), high-quality piano line, durable. Harrier 550 Barrel Color: titaniumMaterial: aluminum alloyProduct weight (G): 81GProduct si