AR and Tactical style rifles have a handful of different uses. Home defense predator hunting punching targets or even for competing in shooting competitions. Owning an AR style rifle is a right for American citizens. As a firearm owner it is your duty to perform cleaning and maintenance to ensure the protection of your investment. To help ease this process Remington offers a cleaning kit designed to help AR shooters carry out that duty.? Brass rods and components feature Milspec 8-32 threads. Premier Handle - fixed or ball-bearing ends (3) - 9" brass rods Mil-spec 8-32 to Standard threading adaptor included Double end nylon brush (2) - bronze brushes with coated steel twists 223/5.56cal 30 (308)cal (2) - brass jags 223/5.56cal 30 (308)cal (1) - chamber brush AR scraper tool Plastic muzzle guard