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SEEKINS INTERCHANGEABLE CALIBER: SIC

The Seekins SIC rifle has been designed and crafted specifically for U.S. Special Operations. Built to withstand extreme environments while letting the operator rapidly select and swap calibers to meet mission criteria, the SIC is a purpose-driven, modular system — not a chassis retrofitted to accept a barreled action.

Designed, machined, assembled, and tested 100% in the USA at our Lewiston, Idaho headquarters, the SIC is a true leap in innovation. The SIC receiver, removable grip & trigger assembly, and dedicated caliber-specific magazine wells come together with pinpoint precision, swapping tools and screws for simple take-down pins. The only service tool required is a T25, which is stored in the butt pad. The SIC is able to run a variety of calibers from long action to short action, allowing maximum performance and modularity out of a single system.

Calibers

• 300 Norma — 1:8
• 338 Norma — 1:9.4
• 338 Lapua — 1:9.4

Specs & Features

• 60° bolt throw
• Removable, caliber-specific magazine wells (tool-less swap)
• 3-lug, toolless removable bolt
• Integrated full-length ARCA rail
• Integrated M-LOK slots
• Adjustable Cheek piece for height and cant
• Adjustable butt pad for LOP and angle
• Seekins carbon fiber barrel (flats for barrel changes)
• Trigger: TriggerTech Diamond 2-stage (user adjustable)

Additional Features & Finish

• Finish: FDE Cerakote
• Total weight: 15 lb. 5 oz.
• Overall length (26″ barrel): 47″ — Folded: 37.5″
• Threaded muzzle: 3/4″ × 24
• Sling mount
• Integrated T25 tool (stored in butt pad)
• Manufactured, assembled, and tested in Lewiston, Idaho — Made in USA

SIC Caliber Change Kit

A complete Caliber Change Kit includes: Barrel, Bolt Head, Magazine Well, and Magazine. Below are the common items and recommended pairings.