HSS - Custom Bore Guides (17.2mm diameter bolt) Type:#15 246 and 248 bushings are

246 and 248 bushings are for the 223 Remington and 22-250 Remington cartridges

The brushes are wound tightly to allow for more cleaning area per inch

Controlled Depth Tapered Reamers listed below will fit in this case

The case holders sit in a rail system that also holds the cutter housing insuring square and perfect alignment every time

HSS - Custom Bore Guides (17.2mm diameter bolt) Type:#15 246 and 248 bushings arePlease check the 3rd image for the chart to ascertain which number to purchase. This item cannot be returned or exchanged once used. Made in Australia, these custom bore guides have an aluminum body, with acetyl calibre snout and body adapter, sized to fit your various actions. It uses the O ring system to stop solvent from flowing back into the action and to hold the guide securely in the action. Also included is a rod guide that you slip onto your