The Breakthrough Clean Technologies Brass Jag is a premium cleaning kit designed for gun enthusiasts shooting in 270, .284 Caliber, and 7mm. Made in the United States, this kit includes brass components to effectively clean and maintain your firearm. The brand, Breakthrou, is known for its quality and innovative clean technologies to ensure a thorough and efficient cleaning experience for hunters and sporting goods enthusiasts. This kit is a must-have for those looking to keep their firearm in top condition for optimal performance.