CCI Ammunition Clean-22 Blue .22 Long Rifle 40 Grain Lead Round Nose Rimfire Ammo 100 Rounds. CCI Clean-22 uses an exclusive polymer bullet coating to greatly reduce copper and lead fouling in the barrel without leaving a residue. It also cuts lead buildup in suppressors 60 to 80 percent. Both the Sub-Sonic and High Velocity loads feature a 40-grain round nose lead bullet with geometry that's been optimized for accuracy. With dependable CCI priming and consistent propellant Clean-22 provides flawless cycling through semi-automatics and all 22 LR firearms. Specifications for CCI Ammunition Clean-22 Blue .22 Long Rifle 40 Grain Lead Round Nose Rimfire Ammunition: Manufacturer: CCI Ammunition Caliber: .22 Long Rifle Bullet Type: Lead Round Nose (LRN) Bullet Weight: 40 grain Cartridge Case Material: Brass Application: Target Primer Style: Rimfire Features of CCI Ammunition Clean-22 Pink/Blue .22 Long Rifle 40 grain Lead Round Nose Rimfire Ammunition Polymer bullet coating greatly reduces lead fouling in the barrel without leaving residue Cuts lead buildup in suppressors 60 to 80 percent 40-grain lead round nose bullets red for High Velocity blue for Sub-Sonic Optimized bullet geometry for improved accuracy Reliable function in semi-automatic firearms Great option both casual and competitive shooters Package Contents: CCI Ammunition Clean-22 Blue .22 Long Rifle 40 Grain Lead Round Nose Rimfire Ammunition What is CCI Ammunition Clean-22 Blue .22 Long Rifle 40 Grain Lead Round Nose Rimfire Ammunition good for? The manufacturer says that it is good for target.CCI Ammunition 934CC: Clean-22 Blue .22 Long Rifle 40 Grain Lead Round Nose Rimfire Ammo 100 Rounds