Nerf Rival Knockout XX-100 Upgrade Parts or Spring Mod Type:metal plunger Metal side rails and top

Metal side rails and top rail for accessory attachment

Introducing the Azure Dragon Half Length Foam Darts - crafted with high-quality EPP material and a perfect weight distribution for improved accuracy

Fire Mode: Full Automatic / Semi-Automatic

ideal for long shooting sessions or extended operations

Nerf Rival Knockout XX-100 Upgrade Parts or Spring Mod Type:metal plunger Metal side rails and topThese upgrades are for Nerf Rival Knockout XX 100 blaster. Improve the durability and firepower of the blaster. Specifications: Material: aluminim alloy metal. Color: silver. Type: plunger or spring. Compatibility: Knockout XX 100 nerf blaster. Package includes: 1x metal patter head or 13kg spring upgrade