The Lyman Primer Pocket Cleaner, Large (part no. 7777790), clears fouling out of the primer pocket bottom so your next primer seats at a consistent, uniform depth instead of sitting on a bed of carbon. The molded plastic handle with rubber grips keeps the tool comfortable and controlled through a long batch of brass prep. It is cut specifically for large primer pockets, matching the primer size you are loading.

Key Specifications

• Cut for large primer pockets specifically, so it clears fouling without rounding a pocket sized for the other primer type.
• Clears fouling from the pocket bottom so a new primer seats at a consistent, uniform depth.
• Features a molded plastic handle with rubber grips for a comfortable, secure hold during repeated use.
• Overall length of about 6.75 inches for a comfortable one-hand grip.
• Weighs approximately 1.6 oz shipped, light enough to keep several on the bench or in a range bag.

Frequently Asked Questions

What size primer pocket does this fit? This cleaner is sized for large primer pockets; Lyman sells the other size separately.

Why clean the primer pocket bottom? Fouling buildup in the pocket bottom can seat a new primer at an inconsistent depth, which affects ignition consistency.

Buy the Lyman Primer Pocket Cleaner, Large

Keep your large primer pockets clean and your seating depth consistent. Order from our case preparation lineup and our Lubbock, Texas team can help you round out your case-prep kit.