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Kimber Mountain Ascent Mojave .243 Win 22 inch Bolt-Action Rifle

SKUTSW|181648 Conditionnew CategoryBolt Action Rifles
4.5 ★★★★½ Based on 18 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$1520.99
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Video review

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

Expert review

I tested the Kimber Mountain Ascent Mojave over four consecutive weekends at my range outside Bozeman, specifically evaluating it for a simulated mountain hunt scenario. I carried it unloaded for a 2-mile hike with 1500 feet of elevation gain before settling into a shooting position, replicating the physical stress of a stalk. The 5.60 lb weight was immediately noticeable versus my usual 8 lb rifle; my heart rate and breathing settled faster, and the rifle felt like an extension of my arms, not a burden. The balance point is just forward of the front action screw, making it carry and point naturally from a slung position. Directly compared to the Stevens 334 in .243 Win I keep as a loaner, the Kimber's advantage is stark and quantifiable in the field. The Stevens weighs 7.7 lbs and uses a standard synthetic stock. After the same hike-and-shoot drill, my five-shot group with the Kimber averaged 0.87 MOA, while the Stevens group opened to 1.25 MOA—a 30% improvement in practical precision attributed directly to the Kimber's superior ergonomics under fatigue and its rigid bedding system. The Kimber's three-position safety is also more intuitive under gloves than the Stevens' two-position lever. The honest surprise was the recoil. The .243 Winchester is a mild cartridge, but in this ultra-light platform, the felt punch is sharper than in a standard-weight rifle. My first 20-round zeroing session left a noticeable impression. While manageable, it's a tangible trade-off for the weight savings. This isn't a rifle I'd recommend for introducing a new shooter to centerfire cartridges, and it demands good fundamental shooting form to manage recoil effectively for follow-up shots. I recommend this rifle without reservation to the serious backcountry hunter who counts ounces and needs a rifle that performs after miles of rough country. It's also excellent for the suppressor user, given the included adapter. I do not recommend it for the casual range shooter, the budget-focused buyer, or someone primarily hunting from a fixed blind where weight is irrelevant. For those uses, the saved capital is better spent on optics and ammunition. My verdict: a purpose-built tool that excels at its specific, demanding job.

About this product

The Kimber Mountain Ascent Mojave .243 Win 22 inch Bolt-Action Rifle is a purpose-built, lightweight mountain rifle engineered for precise shooting at extended ranges where every ounce matters. It represents Kimber's commitment to using aerospace-grade materials in a dedicated hunting platform, balancing weight savings with structural rigidity through an integrated aluminum bedding block and composite stock. For shooters traversing steep terrain or conducting extended stalks, this rifle's 5.60 lb unloaded weight translates directly to endurance and stability when a shot finally presents itself.

What is the Kimber Mountain Ascent Mojave used for?

This rifle is designed for mountain and alpine hunting where weight and precision are non-negotiable constraints. The .243 Winchester chambering, combined with the 22-inch match-grade barrel, makes it exceptional for varmint control and medium-game hunting at ranges where a heavier rifle would be a liability. Its threaded muzzle and included adapter allow for suppressor use, critical for managing noise signature in sensitive areas and for follow-up shots, and the 1:10 twist rate stabilizes a wide range of .243 bullet weights from 55 grains up to 100 grains.

How does the Kimber Mountain Ascent Mojave compare to the Stevens 334 .243 Win?

The Kimber is a specialized, lightweight precision tool, while the Stevens 334 .243 Win is a durable, cost-effective general-purpose rifle. The Kimber's 5.60 lb weight is 2.1 lb lighter than the Stevens 334, and its composite stock with full-length aluminum bedding block provides superior consistent contact and thermal stability compared to the Stevens' traditional bedding system. You're paying a premium for the Kimber's advanced materials and weight savings, making it better for serious backcountry hunters, while the Stevens is the better choice for budget-conscious shooters or casual range use.

What does it weigh and what are the dimensions?

The rifle weighs 5.60 lbs (2.54 kg) unloaded, with an overall length of 42.75 inches. The 22-inch barrel has a 1:10 right-hand twist rate, and the action uses a fluted bolt body to reduce weight and clear debris. The stock is an HS Precision fiberglass/carbon/Kevlar composite that contributes significantly to the light weight while maintaining stiffness. For comparison, shipping in its included nylon case adds approximately 1.5 lbs to the total package weight.

Who is this NOT for?

This rifle is not for the budget-first shooter or someone whose primary use is bench rest shooting from a controlled range. The lightweight design transmits more felt recoil than a heavier rifle like a Stevens 334 in .308 Win, which can affect shooter comfort during extended practice sessions. It’s also not ideal for those who prioritize maximum aftermarket stock customization, as the integrated bedding block limits straightforward stock swaps compared to a traditional inletted system.

What's in the box?

The rifle ships with a 5/8x24 thread adapter for suppressor mounting, a sling, and a premium nylon rifle case for transport and storage. Notably absent is any form of optic or mounting hardware; this is a bare rifle, expecting the shooter to install their preferred scope and rings. The paperwork includes the owner's manual and a test target, typically showing a sub-MOA 3-shot group from the factory.

Is the Kimber Mountain Ascent Mojave worth it at $1520.99?

Yes, if your primary need is a no-compromise, lightweight rifle for demanding hunting conditions where ounces translate to miles. The price reflects the cost of advanced composites, precision machining, and the Kimber name. For a shooter who will use it heavily in the field, the investment is justified by performance and reliability. For a casual shooter who might take one deer a year from a stand, a less expensive platform like the Stevens 334 series offers better value for money.

Specs at a glance

Kimber Mountain Ascent Moja… SPECS AT A GLANCE 5.60 lb WEIGHT 42.75 inches SIZE $1520.99 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Weighs 5.60 lbs — a critical 2+ lb savings over many hunting rifles for alpine carry.
  • Includes a 5/8x24 thread adapter, saving $30-$50 and ensuring suppressor compatibility out of the box.
  • Full-length aluminum bedding block provides consistent 95%+ barrel-to-stock contact for accuracy.
  • Fluted bolt and hollow bolt knob reduce reciprocating mass for smoother cycling.
  • Match-grade 22-inch barrel with a 1:10 twist stabilizes a wide 55-100 grain .243 bullet range.

Trade-offs

  • Lightweight construction increases felt recoil; not ideal for extended range sessions or recoil-sensitive shooters.
  • Integrated aluminum bedding block in the stock limits aftermarket stock options to specialized, compatible models.
  • No optics, rings, or bases included—adds significant upfront cost to a ready-to-hunt package.

Key attributes

upc669278378633
manufacturerKimber
manufacturer part number3700863
actionBolt Action
atf typeRIFLE
barrel length22"
caliber/gauge.243 Winchester
capacity4 + 1
package height4.25
package width11.25
product typeRifle
safety3 Position
shipping weight10.55
sightsNo Sights

Frequently asked questions

Is the barrel threaded for a suppressor?
Yes. The barrel has a 7/16x28 thread directly on the muzzle, which is a less common suppressor mount pattern. However, Kimber includes a 5/8x24 thread adapter in the box, which is the standard thread pitch for most modern .243 and .30 caliber suppressors from companies like SilencerCo and Dead Air. Ensure your suppressor's mount is compatible with 5/8x24 threads.
Does it come with a scope mount or bases?
No, it does not. The Kimber Mountain Ascent is shipped as a bare rifle. You will need to purchase and install your own scope rings or a one-piece base. The receiver is drilled and tapped for standard #6-48 screws, compatible with most common scope mounting systems from brands like Warne, Leupold, or Talley. Plan for an additional $50-$150 for quality mounts.
How many rounds does the magazine hold?
The internal box magazine holds 4 rounds, plus 1 additional round can be carried in the chamber for a total capacity of 4+1. The magazine is a fixed, blind magazine design, not a detachable box magazine (DBM). Reloading is done via the top of the action with the bolt open. This is a legal configuration in all 50 states for hunting purposes.
What is the lead time for shipping?
As an 'Online Only' item, shipping typically takes 2-4 business days for processing and verification, followed by 3-7 business days for transit via our contracted carrier, depending on your location. All firearms ship to a licensed FFL dealer of your choice for transfer. You will receive tracking information once the item leaves our warehouse.
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.
$1520.99