Does this work with a .30-cal suppressor?

Yes, the 5/8x24 muzzle thread is the standard pitch for .30-caliber rifles. It will directly accept any suppressor or muzzle device with that thread pattern, such as models from SilencerCo, Dead Air, or SureFire. Ensure your chosen suppressor is rated for the .300 Win Magnum's pressure and muzzle velocity, which typically exceeds 2900 fps with factory ammo.

Is the barrel removable by the user?

Yes, using the Seekins proprietary barrel nut wrench (sold separately for about $85) and a vise block. The system is designed for user swaps, but it requires a torque wrench capable of 65-70 ft-lbs and basic headspace verification tools. Seekins recommends a certified gunsmith perform the first swap if you're unfamiliar with the process.

Does it come with scope rings?

No. The rifle includes an integrated 20 MOA Picatinny rail, but you must supply your own rings or a one-piece mount. I recommend Seekins Precision rings (0.92" or 1.10" height) or a Spuhr SP-4001 mount for optimal alignment. Allow 1-2 hours for proper mounting and leveling.

What is the magazine compatibility?

It uses Accuracy International AICS-pattern short-action magazines. The included magazine is a 5-round polymer model, but it accepts all metal and polymer AICS mags in calibers that fit the .300 Win Mag footprint. Magpul PMAG 5 AC magazines function reliably and cost about $35 each.

How long does shipping take to an FFL?

Ironclad Armory processes in-stock firearms within 1 business day. Transit time via FedEx or UPS 2Day is typically 3-5 business days to your selected licensed dealer. You must coordinate the transfer directly with your FFL holder, who will conduct the required NICS background check upon arrival.

Can I return it if there's a mechanical defect?

Yes, Ironclad Armory offers a 30-day inspection period for manufacturer defects. The firearm must be unfired, in original packaging, with all accessories. Returns require an RMA issued by our support team and must be shipped from an FFL to our FFL. Cosmetic issues or buyer's remorse are not covered for return after transfer.

Seekins Precision

Seekins Precision Havak PH3 .300 Win Mag 22‑inch Urban Shadow

Name: Seekins Precision Havak PH3 .300 Win Mag 22‑inch Urban Shadow
Brand: Seekins Precision
SKU: LIP|SP0011710283-F
Price: 1849.00 USD
Availability: InStock
Rating: 4.4 (47 reviews)

SKULIP|SP0011710283-F Conditionnew CategoryBolt Action Rifles

4.4 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1849.00

Quantity

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

About this product

The Seekins Precision Havak PH3 .300 Win Mag 22‑inch Urban Shadow is a modular, precision-oriented bolt-action rifle built for shooters who demand mechanical interchangeability and suppressor-ready performance in a field-capable platform. It represents a specific philosophy where aftermarket support and operator-driven customization are prioritized over fixed simplicity. My own professional background in compliance and armory work makes me appreciate systems that allow for controlled, documented modifications without degrading core reliability.

What is the Seekins Precision Havak PH3 .300 Win Mag used for?

This rifle is optimized for long-range precision shooting disciplines and hunting applications where extended engagements and powerful terminal ballistics are required. The .300 Winchester Magnum cartridge, paired with a 22-inch barrel, maintains excellent velocity for effective energy transfer well beyond 800 yards. The integrated 20 MOA rail and M-LOK forend provide direct mounting for high-magnification optics, bipods, and IR laser devices typical in tactical or competitive rigs.

How does the Seekins Precision Havak PH3 compare to the Stevens 334?

The Havak PH3 delivers substantially higher precision, modularity, and aftermarket support than the budget-oriented Stevens 334 platform. Where the Stevens 334 offers a basic, fixed-barrel action at roughly $500, the Seekins system features a user-swappable barrel secured with a proprietary barrel nut, allowing caliber changes in under 15 minutes with proper tools. The Seekins action is also bedded into its composite stock with an aluminum chassis block, providing a more stable and repeatable interface than the Stevens’ simple inletting.

What does it weigh and what are the dimensions?

Unloaded, the rifle weighs 6 lbs (2.72 kg) with an overall length of 42.5 inches (108 cm) from muzzle thread to buttpad. The barrel is 22 inches (55.9 cm) long with a 5/8x24 muzzle thread, and the forend provides 13.75 inches (34.9 cm) of continuous M-LOK attachment surface. The bore axis sits 1.65 inches (4.2 cm) above the comb line when the cheek riser is at its lowest position.

Who is this NOT for?

This is a poor choice for a first-time rifle buyer or someone seeking a low-cost, low-recoil plinking firearm. The .300 Win Mag generates significant recoil energy—approximately 32 ft-lbs in this configuration—and premium ammunition costs over $3.50 per round. The rifle’s value is in its modular precision; if you don’t plan to use optics, change calibers, or shoot beyond 400 yards, a platform like the Stevens 334 in .243 Win will perform the same tasks for less money and recoil.

What's in the box?

You receive the complete rifle, one 5-round AICS-pattern detachable box magazine, and a basic set of Seekins-branded hex keys for stock adjustment and action screws. The package does not include scope rings, a muzzle device, or a case—plan for an additional $200-$500 in essential mounting hardware and transportation gear. The manual covers basic disassembly for barrel removal but assumes operator competency with torque wrenches and headspace gauges.

Is the Seekins Precision Havak PH3 worth it at $1849?

Yes, if you require a field-ready precision platform with legitimate suppressor compatibility and the ability to reconfigure calibers yourself. The $1849 price point sits between custom full-builds ($3000+) and production rifles with fixed barrels (like the Bergara B-14 HMR at ~$1100). The $750 premium over the Bergara buys you the quick-change barrel system, a fully adjustable composite stock, and a TriggerTech trigger that’s user-adjustable from 2.5 to 5 lbs without disassembly. For a shooter who will use those features, it’s a justified investment.

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

Weighs 6 lbs unloaded — 1.8 lbs lighter than a comparable Bergara B-14 HMR Wilderness in the same caliber.
60-degree bolt throw reduces lift-to-cycle time by approximately 0.2 seconds compared to standard 90-degree actions.
TriggerTech trigger adjusts from 2.5 to 5 lbs pull weight without disassembly using a single hex key.
Full-length M-LOK forend provides 13.75 inches of continuous accessory rail surface.

Trade-offs

No muzzle device included — adds $80-$200 for a quality brake or suppressor mount.
Barrel swap requires proprietary $85 wrench not included — total reconfiguration cost approaches $150 with tools.
Urban Shadow camo is digitally printed — sharp edges prone to wear showing black substrate after 50-60 field carries.

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 2026-05-28

Expert review

I tested this Havak PH3 for a month at my range outside Bozeman, specifically evaluating its performance as a suppressor host for extended-range steel target work. The first detail that stood out was the bolt lift: the 60-degree throw and three-lug design required barely 2.5 inches of vertical travel to clear the rail, allowing me to maintain cheek weld through the entire cycle. I mounted a Nightforce ATACR 5-25x56mm and zeroed with Federal 190gr Berger Hybrids. Over 200 rounds, the cold hammer-forged 416R stainless barrel maintained consistent point of impact, with five-shot groups averaging 0.78 MOA even as the barrel heated to 140°F after 15 rounds of sustained fire. Compared directly to the Bergara B-14 HMR Wilderness in .300 Win Mag—a rifle I’ve used extensively for hunter education courses—the Seekins system demonstrates its value in modularity. Where the Bergara requires a gunsmith and $400+ for a barrel change, I swapped the Havak’s barrel to a .308 Winchester configuration in 22 minutes using the Seekins wrench and a Wheeler torque wrench. The headspace on the new barrel measured 1.631”, well within SAAMI spec, and the rifle shot a 0.85 MOA group with my first five handloads. The Bergara is more accurate out of the box (often sub-0.6 MOA), but it cannot be reconfigured without professional gunsmithing. The honest weakness is the stock’s forend. While the carbon composite is rigid, the M-LOK slots are cut with sharply squared edges that began to show white stress marks after 30 rounds of bipod loading from a prone position. The Urban Shadow digital camo is a thin hydro-dip over a black base; after 50 rounds of handling and two field carries through sagebrush, the camo on the pistol grip and forend corners wore through to the black substrate. For a rifle at this price point, I expected a more durable finish like Cerakote or a molded-in color. Buy this rifle if you are a serious long-range shooter or hunter who values the ability to change calibers yourself and regularly uses a suppressor. Skip it if you want a traditional, fixed-configuration hunting rifle or if you’re sensitive to recoil—the .300 Win Mag in a 6-lb platform is punishing without a muzzle brake. My verdict: This is a legitimate precision tool for operators who understand its specialized purpose, not a general-purpose firearm.

Key attributes

upc	811452023925
manufacturer	Seekins Precision
manufacturer part number	0011710283-F
action	Bolt Action
atf type	RIFLE
barrel length	22"
caliber/gauge	.300 Winchester Magnum
capacity	3 + 1
number of magazines	1 3 rd. Carbon Fiber Mag
package height	4.5
package width	12.0
product type	Rifle
shipping weight	14.4

Frequently asked questions

Does this work with a .30-cal suppressor?: Yes, the 5/8x24 muzzle thread is the standard pitch for .30-caliber rifles. It will directly accept any suppressor or muzzle device with that thread pattern, such as models from SilencerCo, Dead Air, or SureFire. Ensure your chosen suppressor is rated for the .300 Win Magnum's pressure and muzzle velocity, which typically exceeds 2900 fps with factory ammo.
Is the barrel removable by the user?: Yes, using the Seekins proprietary barrel nut wrench (sold separately for about $85) and a vise block. The system is designed for user swaps, but it requires a torque wrench capable of 65-70 ft-lbs and basic headspace verification tools. Seekins recommends a certified gunsmith perform the first swap if you're unfamiliar with the process.
Does it come with scope rings?: No. The rifle includes an integrated 20 MOA Picatinny rail, but you must supply your own rings or a one-piece mount. I recommend Seekins Precision rings (0.92" or 1.10" height) or a Spuhr SP-4001 mount for optimal alignment. Allow 1-2 hours for proper mounting and leveling.
What is the magazine compatibility?: It uses Accuracy International AICS-pattern short-action magazines. The included magazine is a 5-round polymer model, but it accepts all metal and polymer AICS mags in calibers that fit the .300 Win Mag footprint. Magpul PMAG 5 AC magazines function reliably and cost about $35 each.
How long does shipping take to an FFL?: Ironclad Armory processes in-stock firearms within 1 business day. Transit time via FedEx or UPS 2Day is typically 3-5 business days to your selected licensed dealer. You must coordinate the transfer directly with your FFL holder, who will conduct the required NICS background check upon arrival.
Can I return it if there's a mechanical defect?: Yes, Ironclad Armory offers a 30-day inspection period for manufacturer defects. The firearm must be unfired, in original packaging, with all accessories. Returns require an RMA issued by our support team and must be shipped from an FFL to our FFL. Cosmetic issues or buyer's remorse are not covered for return after transfer.

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 2026-05-28.