Jgcworker Mod Kit Set For Nerf N-strike Elite Stryfe Upgrade Model Nerf Modulus Attachment (g-56) - Gun Structural Accessories - AliExpress
Nerf Attachments - Etsy
Nerf Twist on Barrel body Count Attachment Extension Mod - Etsy
Nerf's Modulus BarrelStrike can be used as a blaster or attachment: $9 (35% off)
Amazon.com: WORKER F10555 NO.177 Submarine Stock Attachment for Nerf N- Strike Series Blaster : Toys & Games
Worker Mod DIY Imitation MP5-A Kits Combo 12 Items for Nerf Stryfe Modify Toy | BlasterMOD
Amazon.com: TASKQWIK Toy Gun Attachments for Nerf Guns, DIY Nerf Blaster Upgrade Accessories Compatible with Nerf Modify N-Strike Elite and Modulus Series Toy Gifts for Nerf Fans (AK Set) : Toys &