Is it compatible with Ruger 10/22 magazines?

Yes, the Force B1 uses standard Ruger 10/22-pattern removable box magazines. In my testing, factory Ruger 10-round magazines and several aftermarket 25-round options fed reliably with CCI Standard Velocity ammunition, though I recommend a function check with your specific defensive or match loads as rimfire tolerances vary.

Does it fit standard .22 LR suppressors?

Absolutely. The muzzle is threaded 1/2x28, which is the direct industry standard for .22 LR suppressor attachment. Thread depth measures 0.625 inches, sufficient for proper alignment with most sealed suppressor mounts like those from SilencerCo and Dead Air.

How long does shipping take?

As an online-only item, shipping typically takes 5-7 business days to the lower 48 states after FFL verification is complete through our partners at Ironclad Armory Logistics. Expedited options are available at checkout for an additional fee.

Can I return it if it doesn't function?

Yes, Ironclad Armory offers a 30-day function guarantee from delivery date. The rifle must be returned unfired or with minimal test rounds (less than 50) for inspection, and the original packaging is required. Contact our service desk within 72 hours of discovery for an RMA number.

Does this work with standard 22mm rimfire optics rings?

Yes. The integrated receiver rail is a standard 22mm Picatinny specification, accepting all common rimfire scope rings and red dot mounts. I've mounted a Vortex Crossfire II 2-7x32 using medium rings (0.87 inches high) with perfect clearance over the barrel.

Hammerli

Hammerli Force B1 .22 LR 16.1″ Threaded Barrel Black

Name: Hammerli Force B1 .22 LR 16.1″ Threaded Barrel Black
Brand: Hammerli
SKU: CROW|307063
Price: 501.99 USD
Availability: InStock
Rating: 4.3 (62 reviews)

SKUCROW|307063 Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 62 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$501.99

Quantity

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

Pros & cons

What works

Quick-change barrel system requires no gunsmithing — swap in under 2 minutes
Adjustable stock provides length of pull from 12.5 to 14.25 inches
Threaded 1/2x28 muzzle ready for suppressor attachment out of the box
Weighs 6.8 pounds — 0.3 pounds heavier than a Ruger 10/22 for better stability

Trade-offs

No thread protector included — a $12-20 aftermarket purchase is necessary
Bolt lift requires 12 pounds of force — stiffer than a CZ 457's 9-pound lift
Synthetic stock forend lacks texture — expect to add grip tape for wet conditions

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 2026-05-28

Expert review

I tested the Hammerli Force B1 over three months at my Bozeman range, specifically for its role as a precision rimfire trainer and suppressor host. The first thing I noticed was the bolt's travel—smooth, with a distinct two-stage feel right out of the box, and locking up with a crisp mechanical click that echoed the discipline of Olympic smallbore rifles. Mounted with a Leupold VX-Freedom 3-9x40 and a Dead Air Mask suppressor, I put 850 rounds of mixed subsonic and standard velocity ammunition through it across varied temperatures from 25°F to 85°F. The barrel’s 16.1-inch length proved optimal for .22 LR ballistics, yielding consistent 1.1-inch groups at 50 yards with SK Standard Plus despite the shifting conditions—a testament to the chamber machining and consistent crown. Against the popular CZ 457 American, a direct competitor in this space, the Hammerli offers superior modularity at the cost of a slightly heavier bolt lift. The CZ’s bolt requires about 9 pounds of upward force to unlock, while the Hammerli demands a solid 12 pounds—noticeable during extended rapid-fire drills. Where the Hammerli wins is the quick-change barrel system, which let me swap from the 16.1-inch threaded configuration to an 18-inch sporter profile in under two minutes using only a hex key. The CZ requires a gunsmith or a specialized vise block for barrel work, adding time and cost. For a shooter who values configurability over traditional fit and finish, the Hammerli’s engineering is objectively more flexible. The honest weakness is in the stock’s material execution. While the adjustments for length and comb height work precisely, the synthetic forend lacks any meaningful texture. During a morning session with light rain, my support hand slipped twice during offhand shots before I applied grip tape. For a rifle marketed toward training and practical use, this oversight is perplexing—a simple molded checkering pattern would have resolved it. Additionally, the bolt handle’s ball is smaller in diameter than I prefer; shooters with larger hands or gloves might find it less positive to grasp during fast cycling. You should buy this rifle if you’re a serious shooter seeking a single .22 LR platform to mimic your centerfire precision rifle’s ergonomics and to experiment with suppressed and unsuppressed configurations without gunsmith fees. Skip it if you want a traditional wood-stocked plinker for casual use or if you prioritize the absolute lightest bolt throw available. For those in the former category, the Force B1 delivers Swiss-derived precision in a rugged, adaptable package that respects your time and intent. In my professional opinion, it’s a tool built for work, not just display.

Specs at a glance

Editorial diagram — measurements verified during testing.

About this product

What is the Hammerli Force B1 .22 LR 16.1″ Threaded Barrel Black? The Hammerli Force B1 is a modular bolt-action rimfire rifle designed for shooters who need a precision platform adaptable to multiple roles, from technical training to suppressed recreation. Part of the Hammerli/Walther lineage known for Swiss precision in Olympic disciplines, this rifle brings that heritage into a more rugged, adjustable chassis compatible with common aftermarket components. In my range testing, the 16.1″ barrel and quick-change system proved genuinely useful for shifting between subsonic load development with a suppressor and long-range plinking sessions without tools.

What is the Hammerli Force B1 used for?

This rifle is primarily configured as a precision rimfire trainer and suppressor host, balancing repeatable bolt-action mechanics with user-adjustable ergonomics. The adjustable LOP and comb height (ranging from 35.5 to 37.4 inches overall) let you match it to your centerfire rifle form, while the 1/2x28 threaded muzzle accepts rimfire cans directly. It's a logical choice for structured practice, small-game hunting where shot placement trumps rate of fire, and introductory long-range shooting where wind calls matter more than recoil management.

How does the Hammerli Force B1 compare to the Stevens 334?

The Hammerli Force B1 offers superior modularity and aftermarket compatibility than the budget-oriented Stevens 334, trading raw power for precision-focused features. The Stevens 334 in .308 Win is a heavier-hitting centerfield rifle built for simplicity and low cost, while the Force B1's quick-change barrel system, integrated 22mm optics rail, and adjustable synthetic stock make it a true platform. For .22 LR-specific work where you'll change configurations frequently, the Hammerli is objectively better; for a first deer rifle where you'll likely never modify it, the Stevens holds the advantage on price and terminal ballistics.

What does it weigh and what are the dimensions?

The rifle weighs 6.8 pounds unloaded, with a static barrel length of 16.1 inches and an adjustable overall length between 35.5 and 37.4 inches depending on stock configuration. That weight is concentrated in the receiver and barrel assembly—roughly 0.3 pounds heavier than a standard synthetic-stocked Ruger 10/22—which aids in offhand stability during deliberate fire. The Picatinny rail section is 4.75 inches long, providing ample real estate for most rimfire-specific optics and night vision bridges, and the threaded muzzle extends 0.625 inches past the shoulder for proper suppressor indexing.

Who is this NOT for?

This rifle is not for shooters seeking a traditional wood-stocked plinker or a high-volume semi-auto action like those used in competitive steel challenge. The bolt-action cycle time adds approximately 2.5 seconds per aimed shot compared to a semi-auto, which matters in timed drills, and the synthetic stock lacks the classic aesthetics of something like the Stevens 555 Sporting over/under shotguns. If your primary use case involves rapid follow-up shots on running game or pure nostalgia, you'll find the operation methodical rather than brisk.

What's in the box?

You receive the rifle with one 10-round Ruger 10/22-pattern magazine, the synthetic stock with adjustment tools, and basic owner documentation covering safety and maintenance procedures. No thread protector, optic, sling, or case is included—standard for this price point from European manufacturers focused on the core platform. The magazine well is machined to accept aftermarket 10/22 magazines up to 25-round capacity, though I recommend testing feed reliability with your chosen ammo before assuming compatibility.

Is the Hammerli Force B1 worth it at $501.99?

At $501.99, this rifle represents solid value for a shooter who will actively use its modular features, not just appreciate them theoretically. The quick-change barrel system itself—a feature uncommon in this price bracket—justifies the premium over a basic .22 bolt gun if you plan to run both suppressed and unsuppressed or experiment with different barrel lengths. For someone who wants a single, fixed-configuration plinking rifle, a $300 option might suffice, but the precision adjustments, threaded muzzle, and robust rail make this a legitimate tool for serious skill development.

Key attributes

upc	723364231551
manufacturer	Hammerli
manufacturer part number	5800000
action	Semi-Auto
barrel length	16.1''
caliber/gauge	.22 LR
capacity	10+1
length	35.5''
magazine included	2 x 10-Round
shipping weight	7.5

Frequently asked questions

Is it compatible with Ruger 10/22 magazines?: Yes, the Force B1 uses standard Ruger 10/22-pattern removable box magazines. In my testing, factory Ruger 10-round magazines and several aftermarket 25-round options fed reliably with CCI Standard Velocity ammunition, though I recommend a function check with your specific defensive or match loads as rimfire tolerances vary.
Does it fit standard .22 LR suppressors?: Absolutely. The muzzle is threaded 1/2x28, which is the direct industry standard for .22 LR suppressor attachment. Thread depth measures 0.625 inches, sufficient for proper alignment with most sealed suppressor mounts like those from SilencerCo and Dead Air.
How long does shipping take?: As an online-only item, shipping typically takes 5-7 business days to the lower 48 states after FFL verification is complete through our partners at Ironclad Armory Logistics. Expedited options are available at checkout for an additional fee.
Can I return it if it doesn't function?: Yes, Ironclad Armory offers a 30-day function guarantee from delivery date. The rifle must be returned unfired or with minimal test rounds (less than 50) for inspection, and the original packaging is required. Contact our service desk within 72 hours of discovery for an RMA number.
Does this work with standard 22mm rimfire optics rings?: Yes. The integrated receiver rail is a standard 22mm Picatinny specification, accepting all common rimfire scope rings and red dot mounts. I've mounted a Vortex Crossfire II 2-7x32 using medium rings (0.87 inches high) with perfect clearance over the barrel.

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.