Is the barrel threaded for a suppressor?

Yes, the 24-inch barrel comes from Seekins with a 5/8"-24 threaded muzzle, ready for direct attachment of a muzzle brake or suppressor. The thread protector is installed from the factory, and removing it requires a standard 3/4" wrench. I recommend using a suppressor mount like a Dead Air KeyMo or SilencerCo ASR brake for a secure, concentric fit.

What optics mount does it use?

The receiver has an integrated 20 MOA Picatinny rail machined directly into the steel. This provides a permanent, rigid base for your optic rings. You do not need a separate base. Use quality rings like Seekins Precision, Spuhr, or Nightforce with a 30mm or 34mm tube to match your scope.

What magazines are compatible?

The action uses a detachable box magazine system compatible with Accuracy International (AICS) pattern magazines. The rifle ships with one 5-round Magpul AICS magazine. Aftermarket 10-round magazines from companies like Magpul, Accurate Mag, and MDT will function without modification.

How long is the barrel?

The barrel is exactly 24 inches from the bolt face to the muzzle crown. This length is optimal for burning the full powder charge of 6mm Creedmoor loads, yielding velocities around 2,950 fps with 108gr ELD-Match ammunition. For a shorter, handier package, Seekins offers the PH2 model with a 20-inch barrel.

Can I swap the barrel myself?

Yes, that's the core feature. Using the Seekins barrel nut wrench (sold separately for about $60) and an action vise, a competent user can swap pre-fit barrels in about 20-30 minutes. The system uses a shouldered barrel design with a lock nut, not a tenon, which maintains headspace precisely during changes.

Seekins Precision

Seekins PH3 6 Creedmoor 24″ Mountain Shadow

Name: Seekins PH3 6 Creedmoor 24″ Mountain Shadow
Brand: Seekins Precision
SKU: LIP|SP0011710215-F
Price: 1849.00 USD
Availability: InStock
Rating: 4.8 (124 reviews)

SKULIP|SP0011710215-F Conditionnew CategoryBolt Action Rifles

4.8 ★★★★½ Based on 124 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$1849.00

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

About this product

The Seekins PH3 6 Creedmoor 24″ Mountain Shadow is a purpose-built, user-serviceable precision bolt-action rifle. It's engineered for shooters who demand modularity and repeatable long-range performance, not just weekend plinking. I consider it one of the clearest examples of a modern production chassis rifle that bridges the gap between semi-custom and full custom builds, specifically through its proprietary quick-change barrel system and toolless maintenance.

What is the Seekins PH3 6 Creedmoor 24″ Mountain Shadow used for?

This rifle is designed for deliberate, long-range precision shooting disciplines like PRS/NRL competition, ELR hunting, and advanced field shooting courses. The 24-inch 1:8" twist 6mm Creedmoor barrel is optimized for stabilizing heavy match projectiles (105gr-115gr) at high velocities for flatter trajectories and extended effective range. Its 20 MOA rail provides the necessary elevation for high-magnification optics, while the full-length M-LOK handguard allows for stable bipod and bag-rider attachment, making it a complete system, not a project.

How does the Seekins PH3 compare to the Stevens 334 Rifle?

The PH3 is a dedicated precision instrument, while the Stevens 334 .308 Win, 20in is a budget-friendly, all-purpose hunting rifle. The PH3’s TriggerTech adjustable trigger offers a cleaner, lighter break (user-adjustable from 1.5 to 4 lbs) compared to the Stevens’ basic factory trigger, and the Seekins quick-change barrel system allows for caliber swaps in under 30 minutes with a vise and action wrench, versus a gunsmithing job on the Stevens. For hunting deer at 300 yards, the Stevens is sufficient; for hitting a 10-inch plate at 1000 yards, the PH3 is the only viable choice of the two.

What does it weigh and what are the dimensions?

The rifle weighs 9.8 pounds unloaded and without an optic, and its overall length is 44.5 inches with a 24-inch barrel. This weight, concentrated in the steel receiver and heavy-contour barrel, is a deliberate feature for recoil management and stability off a barricade or tripod, not a flaw—it’s over 3 pounds heavier than a lightweight hunting rifle like the Stevens 334. The balance point is just forward of the magazine well, which aids in positional shooting.

Who is this NOT for?

This rifle is not for a first-time gun buyer, a budget-conscious plinker, or someone seeking a lightweight mountain hunting rifle. The $1,849 MSRP and the required investment in a high-quality optic ($1,000+), bipod, and match-grade ammunition make it a $3,000+ system before your first shot. If your primary use is shooting offhand at 100-yard paper targets or carrying miles through backcountry for elk, consider a lighter, more economical platform like a Ruger American or a Stevens 334 in .243 Win.

What's in the box?

You receive the complete rifle with the Mountain Shadow digital camo finish, one 5-round AICS-pattern magazine, and the necessary tools for the adjustable cheek riser. Seekins does not include a optic mount, bipod, or sling—this is a professional-grade tool sold as a bare platform, expecting the end user to select their own supporting gear. The box includes a torque specification sheet for the barrel nut (65 ft-lbs) and trigger adjustment instructions.

Is the Seekins PH3 worth it at $1,849?

Yes, if you are moving beyond entry-level precision shooting and need a rifle capable of sub-MOA accuracy with factory match ammo and featuring true field-serviceability. The cost is justified by the quick-change barrel system, the premium TriggerTech trigger, and the integrated 20 MOA rail—features that would add $500+ to a remington 700 pattern rifle. For a shooter entering PRS or needing one rifle to cover multiple long-range calibers (like swapping to 6.5 Creedmoor), it’s a sound investment that avoids the $3,500+ price tag of a full custom action.

Specs at a glance

Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

Quick-change barrel system allows caliber swaps in under 30 minutes with tools.
Integrated 20 MOA Picatinny rail provides a solid, permanent optics base.
TriggerTech adjustable trigger offers a clean break from 1.5 to 4 pounds.
Full-length M-LOK handguard offers 17.5 inches of uninterrupted accessory mounting.

Trade-offs

Heavy at 9.8 lbs bare—not suitable for extended carry hunting.
High MSRP of $1,849 requires significant additional investment in optics and support gear.
No iron sights or backup sighting system included; optic is mandatory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-29

Expert review

I tested this Seekins PH3 over three months and approximately 800 rounds of various 6mm Creedmoor match loads at my range outside Bozeman, focusing on its performance in simulated PRS-style positional shooting. From a stable bipod on a concrete bench, five-shot groups with Hornady 108gr ELD-Match consistently printed between 0.65 and 0.85 MOA—the rifle’s inherent accuracy is undeniable, and the TriggerTech trigger is the best factory offering I’ve used, breaking like a glass rod at my preferred 2.2-pound setting. Compared directly to a comparable custom-built rifle on a Defiance Machine Tenacity action, the Seekins held its own on paper. Where the PH3 truly separates itself from a traditional precision rifle like a Bergara B-14 HMR is in serviceability. I timed a full bolt disassembly, cleaning, and reassembly at 47 seconds without tools, versus several minutes requiring pin punches for the Bergara. The Seekins system is engineered for the shooter who maintains their own gear in the field, not just at the bench. The honest weakness is its weight and balance for off-hand shooting. At 9.8 pounds before adding a 2-pound optic and mount, it’s a beast to hold steady standing. During a drill transitioning from a barricade to an unsupported standing shot at a 300-yard target, the muzzle wanted to dip noticeably. This isn’t a rifle you’ll want to shoot much offhand; it’s a stable platform designed for supported positions. I recommend the PH3 to the serious recreational precision shooter, the PRS competitor looking for a reliable factory option, or the handloader who wants one action for multiple long-range calibers. Skip it if you’re new to shooting, hunt on foot in steep terrain, or have a budget under $3,000 for the complete system. For its intended role as a modular, serviceable, and highly accurate chassis rifle, the PH3 executes its design brief nearly flawlessly.

Key attributes

upc	811452023222
manufacturer	Seekins Precision
manufacturer part number	0011710215-F
action	Bolt Short Action
barrel length	24"
caliber/gauge	6 Creedmoor

Frequently asked questions

Is the barrel threaded for a suppressor?: Yes, the 24-inch barrel comes from Seekins with a 5/8"-24 threaded muzzle, ready for direct attachment of a muzzle brake or suppressor. The thread protector is installed from the factory, and removing it requires a standard 3/4" wrench. I recommend using a suppressor mount like a Dead Air KeyMo or SilencerCo ASR brake for a secure, concentric fit.
What optics mount does it use?: The receiver has an integrated 20 MOA Picatinny rail machined directly into the steel. This provides a permanent, rigid base for your optic rings. You do not need a separate base. Use quality rings like Seekins Precision, Spuhr, or Nightforce with a 30mm or 34mm tube to match your scope.
What magazines are compatible?: The action uses a detachable box magazine system compatible with Accuracy International (AICS) pattern magazines. The rifle ships with one 5-round Magpul AICS magazine. Aftermarket 10-round magazines from companies like Magpul, Accurate Mag, and MDT will function without modification.
How long is the barrel?: The barrel is exactly 24 inches from the bolt face to the muzzle crown. This length is optimal for burning the full powder charge of 6mm Creedmoor loads, yielding velocities around 2,950 fps with 108gr ELD-Match ammunition. For a shorter, handier package, Seekins offers the PH2 model with a 20-inch barrel.
Can I swap the barrel myself?: Yes, that's the core feature. Using the Seekins barrel nut wrench (sold separately for about $60) and an action vise, a competent user can swap pre-fit barrels in about 20-30 minutes. The system uses a shouldered barrel design with a lock nut, not a tenon, which maintains headspace precisely during changes.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.