1 Pcs Modified Part Front Tube Decoration with Upper and Lower Guide Rail for Nerf Elite Series Orange Grey For Nerf Toy Gun Mod|Paintball Accessories| - AliExpress
Nerf Rival Kronos XVIII-500 tactical rail picatinny Bottom mod
Nerf Rival Rail to Picatinny Rail Adapter (4 Slots (VK5UM6QPW) by Blasters3D
Worker Picatinny Rail Mount (Multiple Sizes & Colors) – Out of Darts
AK Blaster MOD Barrel Tactical Rail Kit for Nerf Micro - Etsy