Saiker Attachments for Nerf, Upgrade Kits Blaster Modification Accessories Set with Targeting Scope+Decor Silencer+Tube Adapter+Rail Adapter+Magazine for Nerf Stryfe/Retaliator/Modulus/Regulator : Amazon.co.uk: Toys & Games
Jgcworker Mod Kit Set For Nerf N-strike Elite Stryfe Upgrade Model Nerf Modulus Attachment (g-56) - Gun Structural Accessories - AliExpress