Birchwood Casey, Cleaning Kit, Fits AR-15, 22 Piece Comprehensive Kit, Custom Handle WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. 18-piece comprehensive cleaning kit Custom handle has locking chuck, Securing tool while cleaning Innovative case design displays and protects tools Tired of dirt, oil, and grease building up in your AR-15 rifle? The Birchwood Casey AR-15 Cleaning Kit delivers quality cleaning tools that are lightweight, long-lasting, and heavy-duty. Features include a full 18 piece kit, a durable plastic case for storage, and a custom handle with a locking chuck.