Nerf Fortnite Flare Dart Blaster, Includes 3 Nerf Mega Darts - Walmart.com
Nerf Fortnite SMG mod kit — Rare Earth Blaster Mod Shop
Nerf Pro Stryfe X Dart Blaster, Battery, 30 Nerf AccuStrike Half-Length Darts, Magazine, Eyewear - Nerf
The Nerf Fortnite M4 AR has 2 color variations, the Blue Shock Wrap and the Insightful Wrap. Seems to be another stryfe, but it's still unknown. : r/Nerf