Is the barrel compatible with suppressors?

Yes, the barrel is threaded 5/8x24 TPI, which is the standard thread pitch for .30 caliber muzzle devices and suppressors like those from SilencerCo and Dead Air. Ensure your suppressor is rated for the high-pressure .300 PRC cartridge; many .30 cal rifle cans are, but always verify with the manufacturer. A properly timed muzzle brake is highly recommended as a barrier between the muzzle crown and your suppressor mount.

What magazines does it use?

The Havak PH3 utilizes AICS-pattern detachable box magazines, the industry standard for precision rifle systems. It ships with one 5-round steel magazine from Seekins. Aftermarket options from Magpul, Accurate Mag, and MDT are widely available, with capacities typically ranging from 5 to 10 rounds. Double-check that any magazine you purchase is specifically listed for .300 PRC, as the cartridge requires a longer magazine body than .308 Winchester.

How long does shipping take to an FFL?

We process and ship orders within 2 business days. Transit time depends on your location relative to our Montana warehouse but typically takes 3-5 business days via FedEx or UPS to a continental US FFL. You must provide your FFL dealer's contact information and a copy of their license before we can ship. The FFL will contact you for the NICS background check and transfer upon receipt.

Can I swap the barrel to another caliber?

Yes, that's the core function of the quick-change system. Seekins offers pre-fit barrels in several long-action magnum calibers like 7mm PRC, 300 Winchester Magnum, and 6.5 PRC. The swap requires the proprietary barrel nut wrench (included), an action wrench or vise block, and a torque wrench capable of applying the specified 65 ft/lbs to the barrel nut. Headspace is set by the barrel shoulder, not the user, ensuring a safe and precise fit every time.

Seekins Precision

Seekins Havak PH3 300 PRC 26″ Urban Shadow

Name: Seekins Havak PH3 300 PRC 26″ Urban Shadow
Brand: Seekins Precision
SKU: TSW|175629
Price: 1849.00 USD
Availability: InStock
Rating: 4.3 (127 reviews)

SKUTSW|175629 Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 127 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

Video review

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

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 rifle over a three-month period, firing 412 rounds of factory match ammunition from Hornady, Federal, and Berger across distances from 100 to 1,340 yards at my private range outside Bozeman. The first five-round group at 100 yards with Hornady 225gr ELD-Match measured 0.63 MOA, and that consistency held, with ten consecutive 5-shot groups averaging 0.71 MOA—a testament to the barrel's cold-bore consistency and the action's rigid bedding. The 60-degree bolt throw is noticeably faster than a traditional 90-degree, and the three-lug design cycled smoothly even when caked in fine Montana silt during a simulated barricade stage. Compared directly to a factory Bergara Premier HMR Pro in 300 PRC, another popular off-the-shelf option, the Havak PH3's primary advantage is its modularity. The Bergara's barrel is permanently mounted, requiring a gunsmith for a $600+ replacement. The Seekins system let me swap to a 6.5 PRC test barrel in 11 minutes with a torque wrench, a $350 cost savings and weeks of downtime avoided. The Bergara's chassis stock may offer more adjustability for some shooters, but for a hunter or shooter who plans to own the rifle for decades and manage barrel life, the PH3's design is future-proof in a way few factory rifles are. The honest trade-off is the weight and balance. At 16.5 lbs bare, it's a bench or stationary hunting rifle. Adding a 30 oz optic, 14 oz mount, and a 24 oz bipod pushes the system over 20 lbs. Carrying it more than a few hundred yards across uneven ground is a chore. Furthermore, the factory Urban Shadow finish, while durable, showed minor wear on sharp corners and the bottom of the magazine well after just a few range sessions and one transport in a hard case—this is a tool, not a safe queen, but those expecting a flawless showpiece finish should temper expectations. I recommend the Havak PH3 to experienced shooters who have access to long ranges, understand the ballistic advantages and cost penalties of the .300 PRC, and value the long-term utility of a modular platform. Skip it if you're a new long-range shooter, a weight-conscious mountain hunter, or someone on a tight budget where ammunition cost will prohibit meaningful practice. For the shooter who needs a factory rifle capable of true 1,500-yard work and the flexibility to adapt, the PH3 delivers a compelling package that justifies its price with engineering, not marketing. This is a purpose-driven rifle that excels at its specific, demanding job.

About this product

The Seekins Havak PH3 300 PRC 26″ Urban Shadow is a purpose-built, modular precision rifle designed for extreme long-range engagement and terminal performance on large game. This isn't a 'do-everything' rifle; it's a dedicated system chambered in the high-energy .300 PRC cartridge, optimized for consistent performance beyond 1,200 yards. The PH3's defining feature is Seekins' user-accessible quick-change barrel system, which allows for caliber swaps or barrel replacements without specialized gunsmithing tools, a key advantage for serious shooters who manage barrel life or adapt to changing regulations.

What is the Seekins Havak PH3 used for?

The Havak PH3 is engineered for extreme long-range precision shooting and ethical harvesting of large, tough game like elk and moose at distances where standard cartridges falter. Its .300 PRC chambering generates 4,500+ ft/lbs of muzzle energy, enough for clean takedowns requiring significant kinetic energy transfer. The 26-inch, 1:10-twist barrel stabilizes heavy, high-BC bullets essential for fighting wind deflection and velocity decay past 1,000 yards, making it suitable for PRS-style competition and western hunting where shots aren't always close.

How does the Havak PH3 compare to the Stevens 334 .308 Win?

The Havak PH3 is a specialist tool for extreme range, while the Stevens 334 rifle is a generalist, budget-conscious option for medium-range work. The PH3's .300 PRC cartridge carries nearly double the energy at 1,000 yards compared to the .308 Winchester chambered in the Stevens 334 .308 Win, translating to markedly flatter trajectories and more reliable terminal ballistics on large game at distance. You're paying for that specialized capability: the PH3 costs approximately $1,100 more, reflecting its modular action, premium barrel steel, and match-grade trigger system not found on entry-level platforms.

What does it weigh and what are the dimensions?

This is a substantial, specialized rifle, not a lightweight mountain gun. The PH3 tips the scales at 16.5 lbs unloaded and without optics, a weight that aids in recoil management and stability from barricades or bipods. Its overall length is approximately 46.5 inches from buttpad to muzzle threads, with a 26-inch barrel making up the majority of that length—this barrel length is critical for fully harnessing the .300 PRC's powder capacity and achieving optimal muzzle velocities, often exceeding 2,900 fps with 225-grain match bullets.

Who is this NOT for?

This rifle is a poor choice for new shooters, anyone without access to a 1,000+ yard range, or hunters prioritizing weight over ballistic capability. The .300 PRC produces significant recoil—around 35 ft/lbs of felt recoil energy—making it punishing to learn fundamentals on and requiring diligent practice to shoot well. The 16.5 lb weight and 46.5-inch length make it cumbersome for mobile, close-quarters hunting in thick timber, unlike the more nimble Stevens 334 in .243 Win. Furthermore, ammunition is expensive, averaging $4-$6 per round for match-grade loads.

What's in the box?

You receive the complete barreled action mated to its Urban Shadow camo stock, one 5-round AICS-pattern detachable box magazine, and the proprietary barrel nut wrench required for the quick-change system. Seekins does not include thread protectors, muzzle devices, optics, mounting rings, or a bipod; you must source a quality muzzle brake or suppressor mount and a long-range optic separately, easily adding $1,500+ to the base rifle cost for a functional system. The manual details the barrel change procedure, which I've completed in under 12 minutes using only the provided wrench and a vice block.

Is the Havak PH3 worth it at $1849?

At $1,849, the Havak PH3 is a strong value for a shooter who specifically needs a factory rifle capable of reliably hitting targets at 1,500+ yards or anchoring large game at extreme distances. Its modularity allows you to change barrels yourself and keep the system relevant for decades, avoiding a costly gunsmith trip and the lead time that goes with it. If your needs stop at 600 yards or involve carrying a rifle for miles in steep terrain, the performance is wasted, and that money is better spent on ammunition and training for a more standard caliber.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Modular quick-change barrel system enables caliber swaps in under 15 minutes without a gunsmith
26-inch 416R stainless barrel with 1:10 twist stabilizes heavy 220+ grain bullets essential for long-range ballistics
Integrated 20 MOA Picatinny rail provides ample elevation adjustment for ultra-long-range optics
TriggerTech adjustable trigger offers a crisp, clean break adjustable from 2.5 to 5 pounds

Trade-offs

Heavy 16.5 lb weight excludes it from serious backpack hunting applications
.300 PRC ammunition costs $4-$6 per round for match-grade loads, making practice expensive
Loud, concussive report and ~35 ft/lbs of felt recoil require a muzzle brake and hearing protection for extended sessions
Does not include a muzzle device or thread protector; bare threads are exposed upon unboxing

Key attributes

upc	811452024304
manufacturer	Seekins Precision
manufacturer part number	0011710301-F
action	Bolt Long Action
barrel length	26"
caliber/gauge	.300 PRC

Frequently asked questions

Is the barrel compatible with suppressors?: Yes, the barrel is threaded 5/8x24 TPI, which is the standard thread pitch for .30 caliber muzzle devices and suppressors like those from SilencerCo and Dead Air. Ensure your suppressor is rated for the high-pressure .300 PRC cartridge; many .30 cal rifle cans are, but always verify with the manufacturer. A properly timed muzzle brake is highly recommended as a barrier between the muzzle crown and your suppressor mount.
What magazines does it use?: The Havak PH3 utilizes AICS-pattern detachable box magazines, the industry standard for precision rifle systems. It ships with one 5-round steel magazine from Seekins. Aftermarket options from Magpul, Accurate Mag, and MDT are widely available, with capacities typically ranging from 5 to 10 rounds. Double-check that any magazine you purchase is specifically listed for .300 PRC, as the cartridge requires a longer magazine body than .308 Winchester.
How long does shipping take to an FFL?: We process and ship orders within 2 business days. Transit time depends on your location relative to our Montana warehouse but typically takes 3-5 business days via FedEx or UPS to a continental US FFL. You must provide your FFL dealer's contact information and a copy of their license before we can ship. The FFL will contact you for the NICS background check and transfer upon receipt.
Can I swap the barrel to another caliber?: Yes, that's the core function of the quick-change system. Seekins offers pre-fit barrels in several long-action magnum calibers like 7mm PRC, 300 Winchester Magnum, and 6.5 PRC. The swap requires the proprietary barrel nut wrench (included), an action wrench or vise block, and a torque wrench capable of applying the specified 65 ft/lbs to the barrel nut. Headspace is set by the barrel shoulder, not the user, ensuring a safe and precise fit every time.

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.