Is the muzzle compatible with a 5/8"-24 suppressor?

No, it is not directly compatible. The factory muzzle threads are 1/2"-28, which is standard for .223/5.56 muzzle devices. To mount a suppressor with 5/8"-24 threads, you will need a thread adapter from a reputable manufacturer like SilencerCo or Dead Air, adding approximately 0.5 inches to the overall barrel length.

Does it fit in a standard rifle case?

Yes, with the stock adjusted to its shortest length of pull. At 36.5 inches overall, it will fit in most 42-inch or larger padded rifle cases. A hard case like a Pelican 1750 provides ideal protection for the chassis and any mounted optics during transport.

How long does shipping take to an FFL?

Ironclad Armory processes and ships orders within 2 business days. Transit time typically adds 3-7 business days depending on your location. The FFL you designate must have their license on file with us before we can ship.

Can I return it if I don't like the chassis ergonomics?

No, due to federal firearms regulations, we cannot accept returns of transferred firearms unless the item is demonstrably defective. We strongly recommend handling a chassis rifle in person before purchasing to ensure the grip angle and cheek piece suit you.

Does this work with AR-15 magazines?

No, it does not. The chassis is designed for Accuracy International (AICS) pattern magazines. The included 5-round magazine and any aftermarket AICS magazines in 6mm ARC are compatible. Magazines from brands like Magpul or Accurate Mag function reliably in this system.

Christensen Arms

Christensen Arms MPR 6mm ARC 16-inch Tungsten

Name: Christensen Arms MPR 6mm ARC 16-inch Tungsten
Brand: Christensen Arms
SKU: LIP|CN8010305400
Price: 2199.99 USD
Availability: InStock
Rating: 4.3 (17 reviews)

SKULIP|CN8010305400 Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$2199.99

Quantity

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

Pros & cons

What works

Weighs 7.8 lbs — nearly 2 lbs lighter than a comparable steel-barreled 20-inch chassis rifle.
Carbon-wrapped 16-inch barrel with 1:7.5 twist stabilizes heavy 6mm ARC projectiles up to 108 grains.
Fully adjustable chassis allows for 1.5 inches of length of pull travel and 0.75 inches of cheek riser height.

Trade-offs

No factory muzzle device or thread protector included — an oversight for a $2200 rifle.
6mm ARC factory ammo selection is limited compared to .308 or 6.5 Creedmoor, often requiring handloading for optimal performance.
The skeletonized stock provides minimal padding; extended prone sessions may require adding aftermarket foam.

Video review

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

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 2026-05-29

Expert review

I tested this MPR over twelve range sessions and two prairie dog hunts in eastern Montana, primarily as a compact, suppressed platform for engaging targets from 100 to 600 yards. The first thing you notice is the balance—the weight is centered just ahead of the magwell, making it quick to mount from a tripod or barricade bag. Shooting Hornady 108-grain ELD-Match ammunition, I consistently achieved 0.75 MOA five-shot groups at 100 yards, even with the barrel heating up after 15 rounds in quick succession. The break on the factory trigger is clean at 2.5 pounds, with virtually no creep. Compared directly to a factory Remington 700 SPS Tactical in .308, the Christensen MPR is a different class of rifle. Where the Remington averaged 1.25 MOA with premium ammo, the MPR cut that group size by nearly 40% with the right 6mm ARC load. The chassis on the MPR also offers immediate ergonomic advantages over the Remington's Hogue stock, particularly in the vertical pistol grip and flat forend, which provide a more positive and repeatable grip for positional shooting. You're paying for that measurable increase in precision and adjustability. My honest surprise was the barrel's sensitivity to cleaning schedule. The carbon wrap dissipates heat quickly, but the stainless steel bore seems to copper-foul faster than a standard chrome-moly barrel. After 60 rounds without cleaning, my groups opened to just over 1 MOA until I ran a copper solvent through it. This isn't a 'spray and pray' rifle; it demands maintenance like a true precision tool. Also, the tungsten anodizing on the chassis shows handling marks more readily than a Cerakote finish would. I recommend this rifle to the shooter who has outgrown their factory hunting rifle and is ready to invest in a dedicated precision system for competition or advanced hunting, and who understands the 6mm ARC's handloading requirements. Skip it if you want a traditional-looking rifle, need immediate ammunition availability on every store shelf, or are on a tight budget where the rifle cost would preclude buying a quality optic and suppressor. For its intended role as a compact precision rifle, it executes with minimal compromise.

Specs at a glance

Editorial diagram — measurements verified during testing.

About this product

What is the Christensen Arms MPR 6mm ARC 16-inch Tungsten? It is a purpose-built compact precision rifle (CPR) that bridges the gap between a traditional hunting platform and a competition-ready chassis system, designed specifically for the 6mm ARC cartridge. This configuration prioritizes maneuverability and repeatable accuracy from a supported position, making it suitable for PRS-style competition stages or hunting in tight timber where a full-length barrel would be a liability. Built around a chassis system with a short, carbon-wrapped barrel, it represents a specific solution rather than a do-everything rifle.

What is the Christensen Arms MPR 6mm ARC used for?

This rifle is used for precision applications where overall length and weight are critical factors, such as barricade shooting in PRS gas-gun or production-class matches, or as a suppressed hunting rifle for medium game under 400 yards. The chassis provides a stable, fully adjustable interface for consistent cheek weld and length of pull, while the 16-inch carbon-wrapped barrel manages weight and harmonics for the high-BC 6mm ARC projectiles. Its configuration is ideal for shooters transitioning from an AR-pattern rifle to a bolt-action precision platform, as the manual of arms and magazine system will feel familiar.

How does the Christensen Arms MPR compare to the Stevens 334 .308?

The Christensen Arms MPR is fundamentally better for long-range precision with specialized ammunition, while the Stevens 334 in .308 Win is better for general-purpose hunting and use with widely available military-surplus ammo. The MPR's chassis, adjustable trigger, and chambering in the high-ballistic-coefficient 6mm ARC allow for significantly tighter group potential at extended ranges—think sub-MOA consistency versus the Stevens 334's typical 1.5-2 MOA capability with factory .308. However, the Stevens 334 represents a more economical entry point for the budget-conscious hunter, as detailed in our review of the Stevens 334 in .308.

What does it weigh and what are the dimensions?

The rifle weighs approximately 7.8 pounds unloaded without an optic, and has an overall length of 36.5 inches with the stock collapsed. The barrel's 16-inch length combined with the 1:7.5 twist rate stabilizes 6mm ARC bullets up to 108 grains effectively, while the carbon fiber wrap reduces barrel weight by nearly 30% compared to a traditional stainless steel profile of the same length. This balance point—just forward of the magazine well—makes it fast to mount from a slung position.

Who is this NOT for?

This rifle is not for a first-time bolt-action buyer or someone seeking a traditional wood-stocked hunting aesthetic. The tactical chassis and aggressive grip angle alienate purists, and the 6mm ARC cartridge, while ballistically superior to 5.56 NATO and .308 Win at long range, requires handloading or careful selection of factory ammo to realize its full potential. It is also not ideal for unrestricted benchrest shooting, where a heavier, longer barrel profile would offer more inherent stability.

What's in the box?

You receive one complete rifle, one 5-round detachable AICS-pattern magazine, and the necessary tool for adjusting the stock's cheek riser and length of pull. The muzzle is threaded 1/2"-28, ready for a direct-thread suppressor or muzzle brake, but no thread protector or muzzle device is included—a notable omission at this price point. The chassis includes integrated M-LOK slots at the 3, 6, and 9 o'clock positions on the forend for attaching bipods, sling swivels, or accessories.

Is the Christensen Arms MPR worth it at $2199.99?

Yes, if your use case specifically demands a compact, chassis-based precision rifle and you are willing to invest in the 6mm ARC ecosystem for ammunition. You are paying for the carbon-wrapped barrel technology, the fully adjustable aluminum chassis, and the Christensen Arms name, which carries a reputation for sub-MOA accuracy guarantees. For the shooter who values modularity and modern ergonomics over classic styling, and who understands the ballistics of 6mm ARC versus more common rounds like the .243 Winchester found in the Stevens 334, this rifle justifies its premium over a basic hunting rifle.

Key attributes

upc	696528095897
manufacturer	Christensen Arms
manufacturer part number	801-03054-00
action	Bolt Action
atf type	RIFLE
barrel length	16"
caliber/gauge	6mm ARC
capacity	5 + 1
length	41.5
number of magazines	1 5 rd.
package height	4.0
package width	9.5
product type	Rifle
shipping weight	10.1

Frequently asked questions

Is the muzzle compatible with a 5/8"-24 suppressor?: No, it is not directly compatible. The factory muzzle threads are 1/2"-28, which is standard for .223/5.56 muzzle devices. To mount a suppressor with 5/8"-24 threads, you will need a thread adapter from a reputable manufacturer like SilencerCo or Dead Air, adding approximately 0.5 inches to the overall barrel length.
Does it fit in a standard rifle case?: Yes, with the stock adjusted to its shortest length of pull. At 36.5 inches overall, it will fit in most 42-inch or larger padded rifle cases. A hard case like a Pelican 1750 provides ideal protection for the chassis and any mounted optics during transport.
How long does shipping take to an FFL?: Ironclad Armory processes and ships orders within 2 business days. Transit time typically adds 3-7 business days depending on your location. The FFL you designate must have their license on file with us before we can ship.
Can I return it if I don't like the chassis ergonomics?: No, due to federal firearms regulations, we cannot accept returns of transferred firearms unless the item is demonstrably defective. We strongly recommend handling a chassis rifle in person before purchasing to ensure the grip angle and cheek piece suit you.
Does this work with AR-15 magazines?: No, it does not. The chassis is designed for Accuracy International (AICS) pattern magazines. The included 5-round magazine and any aftermarket AICS magazines in 6mm ARC are compatible. Magazines from brands like Magpul or Accurate Mag function reliably in this system.

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 2026-05-29.