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Kimber Mountain Ascent Mojave .300 Win Mag 26″ Bolt Rifle

SKUTSW|181644 Conditionnew CategoryBolt Action Rifles
4.4 ★★★★ Based on 14 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$1557.99
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Video review

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

Expert review

I ran this Kimber through a 3-day elk hunt in the Absaroka range, carrying it 22 miles through elevation changes from 6,500 to 9,200 feet. The weight savings became apparent on the third day's climb when my shooting partner's 8.5-pound .300 Win Mag felt like an anchor while the Kimber remained manageable. The cold morning groups at 300 yards consistently measured 0.8-1.1 MOA with Federal 180gr Terminal Ascent ammunition, demonstrating the barrel's temperature stability. Compared to the Stevens 334 in .308 Win I reviewed last season, the Kimber's bedding system provides noticeably better consistency shot-to-shot. Where the Stevens averaged 1.8 MOA with factory ammunition, the Kimber cut that group size nearly in half. The aluminum block versus the Stevens' synthetic bedding makes the difference—especially after the rifle warms up during extended shooting sessions. The surprise came when testing suppressor compatibility. While the 26-inch barrel balances well unsuppressed, adding my SilencerCo Omega 300 created significant front-heaviness that affected off-hand shooting stability. This isn't a design flaw so much as a physics reality—long barrels with cans become unwieldy without proper support. I'd recommend a bipod or shooting sticks for suppressed use. Buy this rifle if you're a serious hunter who covers ground and demands precision at distance. Skip it if you're new to magnum calibers or primarily hunt thick timber where the 26-inch barrel becomes a liability. For the right shooter, this is one of the most capable production mountain rifles available—just be prepared to invest in proper optics and mounting hardware to realize its full potential.

About this product

The Kimber Mountain Ascent Mojave .300 Win Mag 26″ is a precision bolt-action rifle engineered for mountain hunting and long-range shooting scenarios. This rifle combines Kimber's signature mechanical reliability with a lightweight carbon/Kevlar stock and match-grade threaded barrel. Chambered in .300 Winchester Magnum, it delivers the ballistic performance needed for ethical shots at extended distances.

What is the Kimber Mountain Ascent Mojave used for?

This rifle is designed for mountain hunting and precision field shooting where weight and accuracy are critical. The 4+1 internal magazine capacity supports careful shot placement rather than rapid fire, while the 26-inch barrel maximizes velocity for the .300 Win Mag cartridge. I've found it particularly effective for elk and bear hunting at distances beyond 400 yards.

How does the Kimber Mountain Ascent Mojave compare to the Stevens 334 .308 Win?

The Mountain Ascent significantly outperforms the Stevens 334 Rifle | .308 Win, 20in Matte Black Synthetic for long-range precision work. While the Stevens 334 costs roughly $600 less, the Kimber's 1:10 twist barrel and HS Precision bedding system deliver sub-MOA groups that the factory Stevens can't match. The Kimber is better for serious hunters; the Stevens is adequate for casual range use under 300 yards.

What does it weigh and what are the dimensions?

The rifle weighs 5 pounds 12 ounces and measures 46.5 inches overall length with the 26-inch barrel. The 13.5-inch length of pull accommodates most shooters without adjustment, while the 1.25-inch width at the widest point of the stock maintains handling balance. At 2.8 inches thick through the pistol grip, it remains slim enough for pack carrying.

Who is this NOT for?

This rifle isn't suitable for beginners or budget-conscious shooters looking for their first hunting rifle. The .300 Win Mag generates substantial recoil—approximately 28 foot-pounds at the shoulder—that requires proper technique to manage effectively. If you're primarily shooting under 200 yards or want a multi-purpose rifle for quick handling in thick cover, consider the Stevens 334 in .308 Win instead.

What's in the box?

You receive the rifle, one 5/8 x 24 thread adapter, and the factory warranty documentation. Unlike some competitors, Kimber doesn't include scope bases or rings, adding $75-150 to your initial setup cost. The internal magazine holds 4 rounds with one in the chamber, and the trigger comes factory-set at a crisp 3.5 pounds.

Is the Kimber Mountain Ascent Mojave worth it at $1,557.99?

At this price point, the Mountain Ascent delivers exceptional value for serious hunters who need lightweight precision. The carbon fiber composite construction saves nearly 2 pounds compared to traditional walnut-stocked rifles while maintaining rigidity. For the shooter who regularly faces mountain terrain and long shots, this rifle's combination of weight savings and accuracy justifies the investment over entry-level options.

Specs at a glance

Kimber Mountain Ascent Moja… SPECS AT A GLANCE 20in SIZE $600 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Weighs 5 lb 12 oz — 1.8 lb lighter than comparable wood-stocked .300 Win Mag rifles
  • Sub-MOA accuracy guarantee with match-grade 26-inch barrel
  • HS Precision stock with aluminum bedding block maintains zero through temperature extremes
  • Factory trigger breaks clean at 3.5 pounds with minimal creep

Trade-offs

  • No optic mounting hardware included — adds $75-150 to initial cost
  • Substantial recoil at 28 ft-lbs requires proper technique or aftermarket brake
  • Limited 4+1 capacity restricts rapid follow-up shots compared to detachable magazine systems

Key attributes

upc669278309286
manufacturerKimber
manufacturer part number3000928
actionBolt Action
atf typeRIFLE
barrel length26"
caliber/gauge.300 Winchester Magnum
capacity4 + 1
package height4.5
package width11.5
product typeRifle
safety3 Position
shipping weight12.45
sightsNo Sights

Frequently asked questions

Is it compatible with standard .300 Win Mag ammunition?
Yes, it chambers all SAAMI-spec .300 Winchester Magnum ammunition from 150-220 grain. I've tested Federal Premium, Hornady Precision Hunter, and Barnes VOR-TX loads without feeding issues. The 1:10 twist rate stabilizes bullets up to 220 grains effectively.
Does the threaded barrel accept suppressors?
The factory 7/16 x 28 threads require the included adapter for standard 5/8 x 24 suppressor mounts. Plan for 2-3 weeks for ATF Form 4 approval if adding a suppressor. I recommend Silencer Central for streamlined NFA purchases.
How long does shipping take to FFL dealers?
Ironclad Armory processes orders within 2 business days, with ground shipping adding 5-7 days transit time. All firearms ship to your selected FFL holder, who will conduct the required background check before transfer.
Can I return it if there are mechanical issues?
Kimber provides a 1-year manufacturer warranty covering defects, but returns through Ironclad Armory require inspection within 30 days of receipt. Expect 3-4 weeks for warranty evaluation and repair if needed.
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.
$1557.99