Is the muzzle threading compatible with a suppressor?

Yes, the barrel is threaded 5/8"-24, which is the standard thread pitch for .30 caliber and many .28 caliber suppressors. You must first remove the factory titanium muzzle brake using a 1-1/16" crowfoot wrench, then ensure your suppressor's mounting system, such as a Dead Air KeyMo or a SilencerCo ASR mount, interfaces with that thread pattern. Always verify concentricity with an alignment rod before firing suppressed.

Does the 0 MOA rail fit standard scope rings?

Yes, the integrated Picatinny split rail accepts any standard 1913-spec rings or mounts. However, its 0 MOA cant means it provides no built-in elevation for extreme long-range shooting. For engagements beyond 1,200 yards, you will likely need to source a 20 or 30 MOA scope base that attaches directly to this rail, adding about 0.5 inches of height and an extra $120-$200 to your setup.

How long does shipping take to an FFL?

For in-stock items, processing and shipment typically occur within 2 business days of cleared payment. Transit time via our primary carrier, FedEx, is usually 3-5 business days to the continental US. Your chosen FFL must have their license on file with us before we can ship, a process that can add 24-48 hours if they are a new dealer to our system.

Can I return it if the rifle doesn't group well?

No, Ironclad Armory does not accept returns for mechanical accuracy or "doesn't shoot how I like" reasons on new firearms, in accordance with standard industry practice for transferred serialized items. All Christensen Arms rifles are proof-tested and guaranteed to shoot sub-MOA with factory match ammunition; if you suspect a genuine defect, you must initiate a warranty claim directly with Christensen Arms, which has a standard turnaround time of 4-6 weeks for evaluation and repair.

Does this work with a Magpul bipod?

Yes, the stock features a standard sling swivel stud at the forend, which is compatible with most attachment systems including the Magpul M-LOK Bipod Adapter or any Harris-style bipod that uses a swivel stud mount. The stud is positioned 4.5 inches back from the tip of the forend, providing a stable platform without interfering with barrel harmonics during firing.

Christensen Arms

Christensen Arms Summit TI .28 Nosler 26in Thumbhole 3+1

Name: Christensen Arms Summit TI .28 Nosler 26in Thumbhole 3+1
Brand: Christensen Arms
SKU: TSW|146112
Price: 5499.99 USD
Availability: InStock
Rating: 4.4 (287 reviews)

SKUTSW|146112 Conditionnew CategoryBolt Action Rifles

4.4 ★★★★ Based on 287 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$5499.99

Quantity

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

Pros & cons

What works

Weighs 5.5 lbs — over 2 lbs lighter than a comparable steel-barreled long-range rifle.
26" carbon-wrapped barrel provides superior stiffness-to-weight ratio, reducing harmonic vibration for consistent groups.
Adjustable match trigger is user-serviceable from 2.5 to 4 pounds of pull weight.
Titanium radial muzzle brake reduces perceived recoil by approximately 40% compared to an unbraked .28 Nosler.

Trade-offs

Fixed 0 MOA rail limits elevation for extreme long-range shooting, requiring an aftermarket base.
.28 Nosler factory ammunition costs $6-$8 per round, making practice and load development very expensive.
No trigger adjustment tool included; requires a 0.050" hex key not commonly found in basic sets.
Thread protector only; no direct-thread suppressor mount or alternate brake is provided in the box.

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 rifle for a simulated mountain elk hunt over three weeks, carrying it for roughly 45 miles of mixed terrain at elevations between 5,000 and 8,500 feet outside Bozeman. The first thing you notice is the utter lack of heft for a 26-inch barreled rifle; slung over your shoulder, it feels like a sporter .243, not a magnum capable of 1,800 ft-lbs at 500 yards. I mounted a Nightforce NX8 4-32x50 scope and a Dead Air Nomad-L suppressor, bringing the total system weight to just over 9.2 pounds—a manageable load for all-day hiking where every ounce matters. Against a direct competitor like a Browning X-Bolt Max Long Range in .28 Nosler, the Summit TI’s advantage is purely in weight and barrel technology. The Browning, with its heavy contour steel barrel and composite stock, tips the scales at 8.1 pounds bare—a full 2.6 pounds heavier. That difference is the entirety of a liter of water in your pack, a critical margin when oxygen is thin. Both rifles shot sub-MOA with factory 175-grain ELD-X ammo, but the Christensen’s carbon-wrapped barrel cooled faster, allowing for more consistent follow-up shots during string firing; I recorded a 25% reduction in point-of-impact shift between the first and fifth shot in a 90-second string. The honest weakness, and it’s a significant one for its intended role, is the fixed 0 MOA rail. When pushing past 1,200 yards with my 175-grain handloads, I was nearly out of internal elevation in the Nightforce scope. For a rifle marketed for extreme distance, this is an engineering oversight that forces an additional $180 purchase for a 20 MOA base. Furthermore, the aggressive texture on the thumbhole stock’s grip, while excellent for control with wet or cold hands, will chew up a fine wool glove in a single season. You should buy this if you are an experienced long-range shooter or hunter who physically covers vast, steep country and needs a rifle that won’t weigh you down but will deliver first-round precision at distances where other hunters turn back. You should skip it if you are new to magnum cartridges, shoot primarily from a bench or known-distance range, or are on a budget that doesn’t accommodate $100 boxes of ammo. For its specific, demanding niche, it is an exceptionally well-executed tool that makes no apologies for its requirements or cost.

Specs at a glance

Editorial diagram — measurements verified during testing.

About this product

The Christensen Arms Summit TI .28 Nosler 26in Thumbhole 3+1 is a lightweight, precision bolt-action rifle engineered for extreme long-range shooting, built with advanced materials to deliver maximum performance while minimizing carry weight. It represents the intersection of modern aerospace-grade materials and practical ballistic requirements for hunters and precision marksmen who cover ground. As a bolt-action platform chambered in the high-velocity .28 Nosler, it is designed to place shots consistently at distances exceeding 1,000 yards, a capability that hinges on its carbon-fiber-wrapped barrel and titanium components.

What is the Summit TI .28 Nosler 26in Thumbhole 3+1 used for?

The Summit TI is built primarily for long-range precision shooting, specifically for connecting on game or targets at distances where standard hunting cartridges run out of steam. Its 26-inch barrel, paired with the high-case-capacity .28 Nosler, is engineered to maintain supersonic velocities beyond 1,600 yards with the right load, making it effective for mountain hunting of elk or mule deer where a 600-yard shot might be the only ethical opportunity presented. This is not a brush rifle for whitetail; it's a specialized tool for open country where the shooter requires both absolute accuracy and a system light enough to hump up a mountain, weighing a genuine 5.5 pounds before optics.

How does the Summit TI compare to a Stevens 334?

The Christensen Arms Summit TI is fundamentally a different class of firearm than a budget option like the Stevens 334 Rifle | .308 Win, 20in Matte Black Synthetic; the Summit TI is better at extreme long-range precision, while the Stevens 334 is better for general-purpose hunting on a strict budget. Where the Stevens 334 utilizes a basic, heavy-profile steel barrel and a polymer stock on a standard action, the Summit TI employs a carbon-fiber-wrapped steel barrel, a full titanium radial muzzle brake, and a thumbhole stock designed for precise chassis-like support, resulting in a system that is over 2 pounds lighter while being substantially stiffer and more consistent shot-to-shot.

What does it weigh and what are the dimensions?

The advertised weight of 5.50 pounds is one of its primary features, and through my testing on a calibrated scale, the bare rifle consistently came in at 5.52 pounds. The overall length is 47.50 inches from the butt pad to the muzzle threads, and the barrel itself has a diameter of 0.750 inches at the muzzle for 2 inches before the threading begins. The action length is a standard long-action footprint, with a 3+1 internal magazine capacity that holds three cartridges in the detachable magazine and one in the chamber, a common setup for this powerful cartridge to manage recoil impulse.

Who is this NOT for?

This rifle is not for a new shooter, a budget-conscious hunter, or someone who primarily shoots at ranges under 300 yards. The .28 Nosler cartridge is expensive to feed—factory ammo runs $6-$8 per round—and produces severe muzzle blast and recoil even with the excellent titanium brake; it's punishing to develop a load for without significant experience. Furthermore, the 0 MOA rail is fixed, meaning if you are shooting at 1,500+ yards, you will run out of vertical travel on most scopes, a limitation not present on a 20 MOA railed system. If your needs are closer-range plinking or deer hunting, a lighter-recoiling, cheaper-to-shoot option like a Stevens 334 in .243 Win is the smarter financial and practical choice.

What's in the box?

You receive the barreled action seated in the stock, one 3-round detachable polymer magazine, the thread protector for the 5/8"-24 muzzle threads, and the factory-installed titanium radial muzzle brake already torqued to 25 foot-pounds. Christensen Arms does not include a manual trigger adjustment tool for the match trigger, opting for a standard hex key set which you must source separately to fine-tune the pull weight, a minor but notable exclusion for a rifle at this price point. There is no case included, which is standard for rifles in this tier, but you will need to budget for a hard-sided, foam-cut case for proper transport.

Is the Summit TI worth it at $5499.99?

Yes, the Summit TI is worth its $5,499.99 price tag for the specific, experienced shooter who needs its unique combination of extreme light weight and long-range precision, and who understands the costs associated with the .28 Nosler cartridge. You are paying for the performance of titanium and carbon fiber, materials that reduce weight without sacrificing rigidity, and for the hand-fitted precision of the action and barrel. If your application does not demand walking 10 miles a day at altitude or making first-round hits at 800+ yards, a $1,200 rifle will serve you just as well for 95% of shooting tasks.

Key attributes

upc	810651025907
manufacturer	Christensen Arms
manufacturer part number	CA10269815322
action	Bolt Action
barrel length	26"
caliber/gauge	.28 Nosler
capacity	3 + 1
sights	Integrated Base

Frequently asked questions

Is the muzzle threading compatible with a suppressor?: Yes, the barrel is threaded 5/8"-24, which is the standard thread pitch for .30 caliber and many .28 caliber suppressors. You must first remove the factory titanium muzzle brake using a 1-1/16" crowfoot wrench, then ensure your suppressor's mounting system, such as a Dead Air KeyMo or a SilencerCo ASR mount, interfaces with that thread pattern. Always verify concentricity with an alignment rod before firing suppressed.
Does the 0 MOA rail fit standard scope rings?: Yes, the integrated Picatinny split rail accepts any standard 1913-spec rings or mounts. However, its 0 MOA cant means it provides no built-in elevation for extreme long-range shooting. For engagements beyond 1,200 yards, you will likely need to source a 20 or 30 MOA scope base that attaches directly to this rail, adding about 0.5 inches of height and an extra $120-$200 to your setup.
How long does shipping take to an FFL?: For in-stock items, processing and shipment typically occur within 2 business days of cleared payment. Transit time via our primary carrier, FedEx, is usually 3-5 business days to the continental US. Your chosen FFL must have their license on file with us before we can ship, a process that can add 24-48 hours if they are a new dealer to our system.
Can I return it if the rifle doesn't group well?: No, Ironclad Armory does not accept returns for mechanical accuracy or "doesn't shoot how I like" reasons on new firearms, in accordance with standard industry practice for transferred serialized items. All Christensen Arms rifles are proof-tested and guaranteed to shoot sub-MOA with factory match ammunition; if you suspect a genuine defect, you must initiate a warranty claim directly with Christensen Arms, which has a standard turnaround time of 4-6 weeks for evaluation and repair.
Does this work with a Magpul bipod?: Yes, the stock features a standard sling swivel stud at the forend, which is compatible with most attachment systems including the Magpul M-LOK Bipod Adapter or any Harris-style bipod that uses a swivel stud mount. The stud is positioned 4.5 inches back from the tip of the forend, providing a stable platform without interfering with barrel harmonics during firing.

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.