Seekins
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11700401F-Seekins
811452029446
11700401F
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The Seekins SIC XL Magnum Bolt Head is a complete, drop-in replacement bolt head assembly designed exclusively for the Seekins SIC modular rifle system, compatible with XL magnum bolt face cartridges including .338 Lapua Magnum and .338 Norma Magnum. Featuring a 3-lug design with a 60-degree throw and tool-less disassembly, the SIC XL Magnum bolt head swaps in seconds as part of a full caliber conversion kit — no gunsmith required. Machined to exacting tolerances from high-strength steel, the XL Magnum bolt head ensures reliable extraction and consistent headspacing across every SIC-compatible magnum cartridge.