The Noveske N4 Gen 4 represents the absolute pinnacle of premium, duty-ready AR-15 engineering. Built for shooters who demand uncompromising reliability, flat-shooting performance, and match-grade accuracy, this configuration is optimized for maximum agility and hard-use tactical environments. VERY GOOD CONDITION NO BOX ONE 30-ROUND MAGAZINE MBUS PRO IRON SIGHTS INCLUDED Caliber: 5.56 NATO factory chambered (safely fires both 5.56x45mm NATO and .223 Remington). Barrel Length: 14.5-inch barrel permanently extended to a non-NFA legal 16.1-inch overall length. Pin & Weld Device: Dead Air KeyMo Flash Hider (or SureFire SF3P) permanently attached via a blind pin and welded over to meet ATF regulations. Gas System: Mid-length gas system perfectly tuned for 14.5" dwell time to deliver smooth, flat-shooting cycling. Gas Block: .750" low-profile gas block pinned to the barrel to ensure zero movement under heavy firing schedules. Barrel Twist: 1:7 twist rate optimized to stabilize heavy-duty rounds from 62gr up to 77gr match ammunition. Barrel Material: Cold Hammer Forged (CHF) or premium stainless steel with M4 feed ramps for flawless cartridge chambering. Charging Handle: Noveske "Love Handle" ambidextrous charging handle featuring an ultra-slim 2.310" width to prevent gear snags. Handguard: Noveske NSR M-LOK handguard offering a slim, lightweight, and ultra-ergonomic profile.