The Noveske N4 Afghan 14.5" Upper is chambered in 5.56mm and features a 14.5" 416R stainless-steel barrel with a 1:7 twist and mid-length gas system. The barrel includes a hand-polished Noveske Match Chamber, extended feed ramps, and a pinned low-profile gas block, with a Pig Pen muzzle device permanently pinned and welded to meet a 16" overall barrel length. It features a 4th-generation billet 7075-T6 aluminum receiver and a 13.5" NSR free-floating M-LOK handguard with a continuous Picatinny top rail.