Noveske Infidel, Gen 4, Semi-automatic Rifle, 223 Rem/556NATO, 13.7 Barrel (16 OAL with Pinned Brake), KX3 Muzzle Device, Green, Magpul MOE SL Stock, 30Rd, NSR-15 (M-Lok) Handguard 02000711-BG The Noveske Rifleworks N4 Infidel 5.56 AR-15 Rifle, featuring a 13.7-inch barrel and finished in Green, stands out as a high-performance and durable firearm. The hand-polished Noveske Match Chamber ensures precision, while the mid-length gas tube system enhances reliability. The low-profile, pinned Noveske-marked gas block and the M4 barrel extension with extended, hand-polished feed ramps further contribute to its superior performance. The rifle also includes a Noveske KX3 flash suppressor, permanently pinned and welded for compliance and functionality.