Noveske N4 Infidel, Complete Upper Receiver, 5.56 NATO, 13.7" Stainless Steel Barrel, 1/2X28 Thread Pitch, Pinned and Welded Muzzle Device (16" OAL), Fits AR-15, Cerakote Finish, Black, 15" M-LOK Handguard, Black Love Handle Charging Handle, Pig Pen Flash Hider

The Noveske N4 Infidel 13.7" Upper is chambered in 5.56mm and is available with either a 416R stainless-steel or a cold-hammer-forged barrel, both with a 1:7 twist. The 416R configuration includes a hand-polished Noveske Match Chamber, extended feed ramps, and a mid-length gas system with a pinned low-profile gas block. It uses a 4th-generation billet 7075-T6 aluminum receiver paired with a 15" NSR free-floating M-LOK handguard, a continuous top rail, and a Noveske Love Handle ambidextrous charging handle. The 13.7" barrel is fitted with a Noveske KX3 flash suppressor that is permanently pinned and welded. • 13.7, 5.56mm, 416R Stainless, 1:7 Twist;Mid-Length Gas Tube with Pinned Gas Block;P&W Noveske KX3 Flash Suppressor;Noveske Gen 4 Upper Receiver;Ambidextrous Charging Handle;Full-Auto Bolt Carrier Group;M-LOK Handguard with Continuous Picatinny Top Rail;Ideal Spacing for Suppressor Mounting