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