The Guntec USA BAR-16.5-45 16.5" 45 ACP barrel delivers unmatched precision and reliability for discerning shooters. Crafted from robust 4150 steel, this barrel guarantees durability and features a 1:16 twist ratio that optimizes accuracy and consistency in every shot. High-quality 4150 steel construction 1:16 twist ratio for superior accuracy Designed for reliability and longevity Suitable for range practice and competitive shooting Enhances overall shooting performance Elevate your shooting experience with the Guntec USA BAR-16.5-45 barrel and transform your skills on the range.