The Tetra ProSmith Brass Jag - .40 / .41 Cal is a precision cleaning accessory designed to deliver maximum contact and efficiency when using patches inside your firearm’s bore. Machined from high-quality brass, it provides durability and consistent performance while remaining safe for barrel surfaces. The close tolerance design ensures a tight fit, allowing cleaning patches to fully engage the bore for effective residue removal. Built to suit .40 and .41 calibre firearms, it’s an essential tool for achieving a thorough clean and polished finish. Tetra ProSmith Brass Jag - .40 / .41 Cal Key Features .40 / .41 Calibre Specific: Designed for precise bore fit and optimal cleaning performance. Solid Brass Construction: Machined from high-quality brass for durability and reliability. Close Tolerance Fit: Ensures maximum contact between patch and bore for effective cleaning. Enhanced Cleaning Power: Ideal for pushing patches through the barrel to remove fouling. Perfect Bore Seal: Helps achieve consistent and thorough cleaning results. Industry Standard Thread: 8-32 thread fits most cleaning rods. Durable & Reusable: Built for repeated use with long-lasting performance. The Tetra ProSmith Brass Jag - .40 / .41 Cal is a dependable tool for precise bore cleaning, helping maintain accuracy and performance with every clean.