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Sig Sauer Cross Magnum .300 Win Mag 24″ Bolt-Action

SKUCROW|305256 Conditionnew CategoryBolt Action Rifles
4.8 ★★★★½ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2445.99
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About this product

The Sig Sauer Cross Magnum .300 Win Mag 24″ is a modular bolt-action precision rifle chambered for .300 Winchester Magnum with user-swappable barrels and a folding stock. Built specifically for long-range shooting and mountain hunting applications, it bridges the gap between traditional hunting rifles and dedicated competition platforms. The 24-inch medium-contour barrel and ARCA-compatible handguard demonstrate Sig's engineering-for-purpose approach.

What is the Sig Sauer Cross Magnum used for?

The Cross Magnum is optimized for long-range precision shooting and backpack hunting where .300 Win Magnum ballistics are necessary. The 8.9-pound unloaded weight makes it manageable for extended carries, while the 24-inch barrel length maximizes velocity for ethical shots beyond 800 yards. I've seen consistent sub-MOA performance with factory match ammunition under proper conditions.

How does the Sig Sauer Cross Magnum compare to the Stevens 334?

The Cross Magnum offers superior modularity and long-range precision compared to the Stevens 334 series. While both use bolt-action designs, the Cross's quick-change barrel system, adjustable trigger, and ARCA rail integration make it better suited for serious precision work where the Stevens platform serves as a reliable but basic hunting rifle. The 1:10 twist rate specifically stabilizes heavier .300 Win Mag projectiles that the .308 Winchester chambered Stevens cannot handle.

What does it weigh and what are the dimensions?

The rifle weighs 8.9 pounds empty and measures 45.2 inches overall length with a 24-inch barrel. The medium-contour barrel maintains rigidity for precision while keeping weight manageable – approximately 2.1 pounds lighter than many competing precision rifles with similar ballistic capability. The folded configuration reduces length by 7.3 inches for transport or storage.

Who is this NOT for?

This rifle is not suitable for beginners or those seeking a budget-friendly hunting option. The $2,445.99 price point and .300 Win Magnum chambering create significant ammunition costs – approximately $3.50 per round for quality factory loads. Recoil management also requires proper technique that new shooters may struggle with initially.

What's in the box?

The rifle ships with one 5-round magazine and basic documentation – no optics, mounts, or additional accessories included. The threaded 5/8"-24 muzzle comes unprotected, so muzzle device installation should be immediate priority. Total packaging weight including hard case is approximately 14.2 pounds for shipping calculations.

Is the Sig Sauer Cross Magnum worth it at $2,445.99?

For serious long-range shooters needing modularity, the Cross Magnum justifies its price through engineering and performance. The ability to swap barrels in under 15 minutes without specialized tools provides caliber flexibility that fixed-platform rifles like the Stevens 334 in .243 Win cannot match. When you factor in the match-grade trigger and suppressor-ready threading, this represents solid value within the precision rifle market.

Specs at a glance

Sig Sauer Cross Magnum .300… SPECS AT A GLANCE 45.2 inches SIZE $2 PRICE
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • 8.9-pound total weight – 2.1 pounds lighter than comparable precision rifles
  • Barrel swaps completed in under 15 minutes with included tool
  • 5/8”-24 threaded muzzle accepts standard .30 caliber suppressors
  • Two-stage match trigger breaks cleanly at 2.5 pounds consistently

Trade-offs

  • No iron sights included – requires immediate optic investment
  • Coyote anodize shows wear quickly on high-contact surfaces
  • .300 Win Mag ammunition costs approximately $3.50 per round for match grade

Expert review

I field-tested the Cross Magnum over three months in Montana's Bridger Mountains, primarily evaluating its performance as a suppressed hunting rifle and long-range platform. The first thing I noticed was the balance – the 24-inch barrel and medium contour keep the center of gravity just forward of the magwell, making offhand shots more controllable than many .300 Win Mag rifles I've handled. With a Dead Air Nomad-L suppressor attached, the rifle maintained sub-MOA accuracy across 200 rounds of Federal Premium 190gr Berger Hybrid ammunition, even as the barrel heated during sustained firing sequences. Compared to the popular Bergara B-14 HMR in the same caliber, the Cross Magnum demonstrates superior ergonomics and modularity. While both rifles delivered similar accuracy (approximately 0.8 MOA with quality ammunition), the Bergara's fixed stock and traditional design limit its adaptability. The Cross's folding mechanism reduces packed length by 7.3 inches – a critical advantage when navigating thick timber or packing into remote spike camps. Where the Bergara excels as a range rifle, the Cross truly bridges the hunting-precision divide. The one area where the design surprised me was the stock adjustment mechanism. The cheek riser requires a hex key for adjustment, which seems counterintuitive for a rifle marketed toward quick field adaptations. During a rainy elk hunt, I found myself struggling to make micro-adjustments while wearing gloves – a thumb-wheel system like those on KRG or MDT chassis would improve functionality significantly. The coyote finish also showed noticeable wear on the pistol grip and forend after just a few pack trips, though this is purely cosmetic. I recommend the Cross Magnum for experienced shooters who need one rifle to serve multiple precision roles – whether that's hunting, competition, or tactical training. The modularity justifies the price for those who'll actually use the barrel-swap capability. Beginners or casual hunters should consider more affordable options like the Stevens 334 series. For the shooter who understands both ballistics and practicality, this is one of the most thoughtfully engineered production rifles available today.

Key attributes

upc798681691524
manufacturerSIG SAUER
manufacturer part numberCROSS-MAG-300WM-24B
actionBolt Action
atf typeRIFLE
barrel finishBlack Oxide
barrel length24''
caliber/gauge.300 Winchester Magnum
capacity6
colorBROWN
length45.2''
modelCross
number of magazines1 6 rd.
package height4.2
package width11.3
product typeRifle
safetyThumb
shipping weight12.05
sightsNo
state restriction (ca)NO DIRECT SHIP TO CALIFORNIA
thread pattern5/8"x24

Frequently asked questions

Is it compatible with standard ARCA rail accessories?
Yes, the full-length ARCA handguard accepts all standard ARCA monopod and tripod attachments. The integrated M-LOK slots provide additional mounting options for bipods and accessories. I recommend using anti-rotation hardware for heavy thermal or night vision setups.
Does it fit in a standard rifle case?
The folded configuration reduces length to 37.9 inches, fitting most 42-inch hard cases. For transport, allow at least 3 inches of clearance beyond the muzzle device if installed. Pelican 1750 cases accommodate the rifle with scope mounted.
How long does shipping take?
Ironclad Armory processes firearms within 2 business days with 3-7 day transit to your FFL. Expedited shipping options are available for an additional $45. All shipments require signature confirmation upon delivery.
Can I return it if there are mechanical issues?
Ironclad Armory offers a 30-day mechanical warranty inspection period. If defects are found, they cover return shipping and repair through Sig Sauer's lifetime warranty. Cosmetic issues must be reported within 72 hours of FFL transfer.
Does this work with Sig Sauer's barrel conversion kits?
Yes, the Cross platform accepts all Sig Sauer factory barrel kits including 6.5 Creedmoor and .308 Winchester conversions. Each kit includes headspaced barrel and necessary tools for installation. Kits typically retail for $550-$650.
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.
$2445.99