MagBrush .22, .25, .380, 9mm (Fits Straight Stacked Magazines) A go to brush for competitive shooters, law enforcement, military or wherever positive ammo feeding is critical. The patented KleenBore MagBrush cleans and addresses a commonly overlooked area of maintenance on magazine-fed firearms. Removes gummy residue, dust, dirt, and unburned powder from inside the magazine and well for quicker, easier magazine release and increased reliability for cartridge feed. Features: KleenBore Exclusive Patented Design Improves magazine release and cartridge-feed reliability Designed or use in straight stacked magazines Made in USA