Quick Answer
Clean the .338 Winchester Magnum rifle immediately after each use, and thoroughly every 100 rounds, to prevent carbon buildup and maintain accuracy. Use a bore brush, solvent, and a soft cloth to wipe down the barrel and action. Regular cleaning will keep your rifle in top condition for hunting large game like moose.
Cleaning the Barrel
To clean the barrel of your .338 Winchester Magnum rifle, start by removing any remaining ammunition and magazine. Next, attach a bore brush to a cleaning rod and insert it into the barrel, working it back and forth to loosen any debris. Use a solvent, such as Hoppes No. 9, to break down any carbon buildup, then wipe the barrel clean with a soft cloth. Repeat this process several times to ensure the barrel is thoroughly clean.
Cleaning the Action and Bolt
The action and bolt of your rifle require regular cleaning to prevent corrosion and maintain smooth operation. Use a solvent to wipe down the bolt face, extractor, and ejector, then use a soft brush to clean any debris from the bolt’s locking lugs. Apply a thin layer of lubricant to the bolt’s moving parts to keep them running smoothly. Use a soft cloth to wipe down the action, paying particular attention to the magazine well and any other areas where dirt and debris tend to accumulate.
Additional Tips for Cleaning the .338 Winchester Magnum
When cleaning the .338 Winchester Magnum rifle, it’s essential to use the correct cleaning tools and techniques to prevent damage to the firearm. Use a bore snake or a cleaning rod with a brush on the end to clean the barrel, and avoid using harsh chemicals or abrasive cleaners that can damage the finish or strip away the rifle’s coatings. Additionally, make sure to clean the rifle in a well-ventilated area, away from any open flames or sparks.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.