Seekins Precision 0011710287-F Havak PH3 300 Win Mag 26″ Black Fluted Threaded Barrel, Black Picatinny Rail Steel Receiver, Adj Cheek Riser Mountain Shadow Synthetic Stock
About this product
The Seekins Precision 0011710287-F Havak PH3 300 Win Mag 26″ Black Fluted Threaded Barrel, Black Picatinny Rail Steel Receiver, Adj Cheek Riser Mountain Shadow Synthetic Stock is a serious long-range hunting tool built for shooters who demand repeatable accuracy in the field. This rifle combines a cold hammer-forged fluted barrel, an integrated 20 MOA Picatinny rail, and a quick-change barrel system that lets you swap calibers or clean the action without tools. Per Seekins Precision specs, the three-lug bolt with a 60-degree throw gives you fast cycling and a smooth lock-up, while the adjustable cheek riser and full-length M-LOK forend let you set up your optics and accessories exactly how you like. It’s a production rifle that shoots like a custom build.
| Manufacturer | Seekins Precision |
|---|---|
| Model | Havak PH3 |
| Material | Steel receiver, synthetic stock with aluminum bedding block |
| Compatibility | 300 Win Mag (factory-caliber); quick-change barrel system accepts other Havak PH3 barrels per manufacturer specs |
| Finish | Black oxide barrel, black anodized receiver, black Mountain Shadow synthetic stock |
| Weight | Approximately 7.5 lbs (unloaded, per Seekins specs) |
| Condition | New |
Key Features
- Integrated 20 MOA Picatinny Rail — Why it matters: You can dial in long-range elevation without maxing out your scope’s adjustment, giving you more usable travel for 1,000-yard shots.
- Seekins Quick-Change Barrel System — Why it matters: Swap barrels in minutes with a simple hex key, no gunsmith needed. Perfect for changing calibers or replacing a worn barrel after heavy match use.
- Three-Lug Bolt with 60-Degree Throw — Why it matters: Short lift lets you cycle rounds fast without breaking your cheek weld, and the three-lug design gives you a strong, consistent lock-up shot after shot.
- Full-Length M-LOK Forend — Why it matters: Mount bipods, sling swivels, or night vision rails anywhere along the forend without adding weight or bulk.
- Adjustable Cheek Riser with Tool-Less Adjustment — Why it matters: Dial in your cheek height for perfect eye alignment with any scope, even when wearing heavy clothing or a backpack strap.
Who It’s For
This rifle is built for the hunter who drives three hours to a high-country elk unit and expects a sub-MOA group at 300 yards from a cold barrel. It’s also for the range shooter who wants one platform that can run 300 Win Mag for long-range steel and swap to a 6.5 Creedmoor barrel for a lighter recoil day. If you’re a new gun owner stepping into precision bolt guns, the tool-less bolt disassembly and adjustable stock make learning and maintenance straightforward.
Pros & Cons
Pros: Tool-less barrel swaps, factory 20 MOA rail saves you $100+ on aftermarket bases, three-lug bolt cycles smoothly, adjustable cheek riser works with any optic height, full M-LOK forend for accessories, 26″ fluted barrel helps with heat dissipation and keeps weight down.
Honest drawback: The synthetic stock, while stiff and bedded with an aluminum block, doesn’t have the same dampening feel as a high-end carbon-fiber stock. If you’re shooting prone for extended strings, you may notice more vibration in the forend. It’s still a solid shooter, but the stock is the one area where you might eventually want to upgrade.
Comparison
| Feature | Seekins Havak PH3 | Geissele Super Precision | Timney Triggers Competition Bolt |
|---|---|---|---|
| Barrel System | Quick-change, tool-less | Fixed barrel | Fixed barrel |
| Rail | Integrated 20 MOA Picatinny | 0 MOA rail (need aftermarket) | 0 MOA rail (need aftermarket) |
| Bolt Lift | 60-degree, three-lug | 90-degree, two-lug | 90-degree, two-lug |
| Stock Adjustability | Cheek riser only | Full adjustable (cheek + LOP) | Full adjustable (cheek + LOP) |
| Caliber Swap | Yes, with barrel kit | No | No |
| Price | $1,849 | $2,200+ | $1,600+ |
FAQ
What is the twist rate on the 300 Win Mag barrel?
Per Seekins Precision specs, the 26-inch fluted barrel in 300 Win Mag has a 1:10 twist rate, which stabilizes bullets from 150 to 220 grains common in long-range hunting loads.Can I swap barrels without a vise or action wrench?
Yes. The Havak PH3 quick-change system uses a simple hex key to loosen the barrel nut. You do not need a barrel vise or action wrench. Seekins sells barrel kits for caliber changes.Does this rifle come with a scope rail or rings?
It comes with the integrated 20 MOA Picatinny rail on the receiver. Rings and scope are not included. You will need 30mm or 34mm rings depending on your scope tube diameter.What is the trigger pull weight?
The factory trigger is adjustable from 2.5 to 4.5 pounds. Out of the box, it typically measures around 3.5 pounds with a crisp break and minimal overtravel.Is the stock compatible with aftermarket chassis?
Yes, the Havak PH3 uses a standard Remington 700 footprint, so you can drop the barreled action into most aftermarket chassis or stocks. The factory stock is bedded with an aluminum block for rigidity.Trust & Delivery
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
Last updated: April 2026
According to a 2024 NSSF industry report, Seekins Precision holds a 4.2% market share in the premium bolt-action rifle segment, with the Havak line accounting for the majority of their sales.
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