This Nowlin RB45-5G is a tri-heat-treated, match-grade 45ACP barrel offering maximum accuracy. Groove and bore tolerances are held to an amazing .0002″ by electro-discharge cathode machining (ECM). The rifling is ultra-smooth, uniform, and precise, with the smoother bore boosting velocity across all barrel lengths. The unique, pre-cut design of the top lugs requires only minor fitting to achieve maximum lug engagement.
An angled edge on the driving band increases gas seal for reduced fouling with all types of bullets, plus longer barrel life. The barrel is short chambered and requires reaming to achieve correct headspace. Engineered for serious precision shooters and gunsmiths, this 5-inch ramped barrel delivers the match-grade performance Nowlin Arms is known for.
