Seekins Precision M3 Bolt Head for M3 ARC Caliber

Upgrade or replace your bolt assembly with the Seekins Precision M3 Bolt Head, engineered specifically for the M3 ARC platform. Seekins Precision is known for manufacturing components to exacting tolerances, and this bolt head is no exception — built to deliver reliable feeding, extraction, and long-term durability in demanding conditions. Whether you’re setting up a dedicated 6mm ARC build, performing routine maintenance, or upgrading a worn component, the Seekins M3 Bolt Head is a precision-machined solution designed to fit and function correctly from the first round. At Deep Roots Rifle Co, we stock hard-to-find components like this so you can keep your build running at its best. Order online for fast shipping or stop by our gun store in Eustis, Florida, where our knowledgeable staff can help you find exactly what your build needs.