N-Force is a series of Nerf foam weapons that was released in 2009 to 2011. Until now, I still think that no any NERF foam weapons can surpass the N- Force series! :
Amazon.com: NERF CS-18 N-Strike Elite Rapidstrike : Toys & Games
Nerf N-Strike | Nerf Wiki | Fandom
N-Force | Nerf Wiki | Fandom
Urban Taggers.: Review: Nerf N-Force Stonewall Shield + Short Sword set
Lot Of 3 Nerf Guns - Adventure Force/Nerf N-Strike/Flip Fury With 36 Dart | eBay