Bow Tie Swabs (Bolt Action Rifle Cleaning) remove excess fouling and debris and are an excellent addition to your long gun cleaning process. Keeps your long-range shooting rifle in top operating performance. A must have addition to any bolt action rifle cleaning process! Fits Remington 700, Winchester Mod 70, Ruger M77-Mark II, CZ 500 Types, Savage 110 Series, Sako, Tikka, all Mauser type actions with opposing locking lug design. Use .30 Cal. Bore Brush when using Bow Tie (Nylon Bristle Brush Recommended).