The Noveske N4 Gen 4 OG 6mm ARC SBR is an NFA-regulated Short Barreled Rifle featuring 7075-T6 billet aluminum receivers, a 12.5" 416R stainless steel match-grade barrel (1:7 twist), and a Bazooka Green Cerakote finish. It includes a Pig Pen flash hider, a 10.75" Gen 4 NSR M-LOK handguard, a Geissele SD-E trigger, Magpul MBUS Pro sights, a Noveske Love Handle charging handle, and B5 Systems furniture.