Gun Cleaning Bore Brush Set for Rifle, Pistol & Shotgun (13-Pieces)

13 Piece Bristle Gun Cleaning Bore Brush for Rifle Pistol Shotgun These 13 pieces brass cleaning brushes are the fastest way to thoroughly clean your firearm barrel.  Brushes will fit most brands of cleaning rods. Convenient storage box features marked cavities for each caliber and keeps everything organized. The compact storage box features marked cavities for each caliber. Brush Sizes: .17 .22/.223/5.56MM .243 .250 .270 .30/7.62MM .325 .338 .357/9MM .40 .45 20GA 12GA  Cleaning Rod Thread Sizes: 12 Gauge & 20 Gauge brushes are 5/16-27 thread 17 Caliber brush is 5-40 thread All other brushes are standard 8x32 thread Package Includes: 13x Bore brushes 1x Convenient storage box (9.2x3.7 inch)