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Cold Barrel Precision Firearms is an Oregon-based custom rifle builder specializing in precision long-range hunting, tactical, and competition rifles, offering custom builds, barrel installations, action blueprinting, and accuracy-focused gunsmithing.


Cold Barrel Precision Firearms (CBPF) is a custom rifle builder and precision gunsmithing shop based in Medford, Oregon, specializing in high-accuracy rifles for long-range hunting, tactical shooting, and precision rifle competition. Founded in 2014 by Trevor Williamson—a former U.S. Army long-range marksman and a graduate of the sniper school—the shop operates under a clear philosophy: “Accuracy is Everything.”
CBPF builds purpose-driven rifles using premium components trusted by precision shooters and competitive marksmen.
Key services include:
The shop regularly builds rifles using actions from Impact Precision, Defiance, Terminus, Lone Peak, Zermatt, and Aero Solus, paired with stocks and chassis from MDT, Manners, McMillan, KRG, and XLR.
Cold Barrel Precision works with 30+ calibers ranging from .223 Remington to large ELR cartridges like .338 Lapua and .375 CheyTac, supporting shooters pushing rifles well beyond 1,000 yards.
Known for meticulous machining, premium components, and rifles built for serious long-range performance.
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