If you want your AR-10 rifle to keep running smoothly, pick up this AR-10 Preventative Maintenance Kit and replace some of the parts that receive the most wear. We suggest replacing the ejector spring, the extractor spring, the extractor o-ring, bolt gas rings, the ejector spring pin and the extractor at around 2,500 rounds. These are all in Kit PM1. At around 5,000 rounds, change the same parts again and also change out the extractor pin and ejector, which are all found in this kit.
*Some WW rifles include a dual ejector, which is included in Kit PM2-DE. All parts are made in the USA.
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