KleenBore - A-177 - Phosphor Bronze Wire Straight Bristles - .22/.223/.5.56mm Caliber Rifles - Safe & Effective Cleaning Power Kleen Bore Phosphor Bronze Brush .22/.223/5.56mm Caliber Rifle A177 keeps the bore of your rifle free of powder residue. While many other cleaning kits feature crimped brushes, the Kleen Bore Bronze Bore Brush features straight brushes for effective scrubbing. Kleen Bore .22/.223/5.56mm Rifle Bore Brushes keep your rifle working well, even with extended use. Weapon Type: .22/.223/5.56mm Caliber Rifle •Straight bristles •Phosphor bronze wire bristles •Cleans .22/.223/5.56mm caliber rifles Kleen Bore Phosphor Bronze Bore Brush A177 Carefully-made, thicker, straight bronze wire bristles Designed with rounded, smoother bristle tips Safe and effective cleaning power Will not easily bend Will not damage precious rifling