Seekins Precision PH3 Mountain Shadow bolt-action rifle in .300 Winchester Magnum with a 26-inch fluted, threaded barrel, adjustable cheek riser, integrated 20 MOA Picatinny rail and quick-change barrel system.
The Seekins Precision PH3 Mountain Shadow is a precision-oriented bolt-action rifle chambered in .300 Winchester Magnum with a 26-inch fluted, threaded barrel and a synthetic Mountain Shadow stock. It features a Seekins quick-change barrel system, an adjustable cheek riser, and an integrated 20 MOA Picatinny rail for mounting optics. For a practical optic option under $1,000 that complements the rifle’s long-range focus, consider the Vortex Viper PST Gen II 5-25×50.
Product Specifications
The UPC is 811452023949.
The manufacturer is Seekins Precision.
The model designation is PH3 Mountain Shadow.
The manufacturer’s part number is 0011710287-F.
The caliber is .300 Winchester Magnum.
The action is a Bolt Long Action.
The barrel length is 26 inches.
The barrel description is Fluted Threaded.
The rifle includes an integrated 20 MOA Picatinny rail for optic mounting.
The rifle has a full-length M-LOK rail for accessory attachment.
The stock features an adjustable cheek riser and a digital camouflage finish.
The trigger is a TriggerTech Adjustable unit.
The bolt system uses a 3-lug design with a 60-degree throw and toolless bolt disassembly.
The rifle employs a Seekins quick-change barrel system for caliber or barrel changes.
The rate of twist is 1:10″.
Built for deliberate, long-range work, the PH3 Mountain Shadow combines a stable, ergonomic platform with user-serviceable features that support extended field use and precision shooting. Its quick-change barrel system and threaded, fluted barrel suit handloaders and precision shooters who value modularity and repeatable accuracy. The synthetic Mountain Shadow stock reduces environmental sensitivity while the adjustable cheek riser helps achieve proper eye alignment with medium- to high-magnification optics. This rifle is well suited to precision long-range target applications and extended-range field work where consistent, adjustable ergonomics and conversion capability matter.
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