The Lyman Universal Bore Guide Set (brand part no. 04045) directs and centers a cleaning rod and jag through the chamber, protecting the throat and rifling from rod damage during cleaning. It fits most bolt-action rifles and includes a special adapter sleeve for the AR-15, plus interchangeable tips covering bore sizes from .17 up to .417 caliber. Built from mixed materials for durability, the set measures 13 inches in length and is a practical, one-time purchase for shooters who maintain multiple rifle calibers. It’s built for hunters and precision shooters who want to protect the crown and chamber during routine cleaning.

Key Specifications

• Covers bore sizes from .17 up to .417 caliber with interchangeable tips.
• Fits most bolt-action rifles.
• Includes a special AR-15 adapter sleeve.
• Protects the throat and rifling from cleaning-rod damage during use.
• Measures 13 inches in length.
• Built from mixed materials for durability.
• Weighs approximately 0.3375 lb as shipped.
• Ships with a quantity of 1 Set.
• Configured in the Rifle style for compatible platforms.

Frequently Asked Questions

What calibers does this bore guide cover? .17 up to .417 caliber with interchangeable tips.

Does this fit AR-15 rifles? Yes, it includes a special adapter sleeve for the AR-15 in addition to fitting most bolt actions.

Buy the Lyman Universal Bore Guide Set

Protect your chamber and crown during cleaning with Lyman. Browse our full range of gun cleaning kits and supplies and order from our Lubbock, Texas gun shop for fast, insured shipping.