Is the barrel compatible with a .22 suppressor?

Yes, the factory-threaded 1/2×28 pattern is the standard for rimfire suppressors. You can direct-thread any suppressor with 1/2×28 internal threads, such as models from SilencerCo or Dead Air. No thread adapter is required, saving approximately $30 in additional parts.

Does it fit in a standard pistol case?

No, its 17.5-inch overall length exceeds the interior dimension of most compact pistol cases, which average 14 inches. You will need a rifle case or a specialty pistol case with an interior length of at least 18.5 inches to accommodate the pistol diagonally with minimal padding.

How long does shipping take to an FFL?

Standard shipping from our warehouse to your selected FFL dealer takes 3 to 5 business days after order verification and compliance check. Transit time depends on carrier routing, but all firearms ship via FedEx with adult signature required upon delivery to the FFL.

Can I return it if it fails to cycle a specific ammo?

Returns for mechanical function are handled on a case-by-case basis after a 50-round break-in period with standard-velocity ammunition. We require a video of the malfunction and details of the specific ammunition lot, as rimfire cycling issues are often ammunition-related, not firearm-related.

Does this work with a Picatinny red dot mount?

Yes, the drilled-and-tapped receiver has a standard 3/8-inch dovetail that accepts #6-48 scope base screws. You can attach a Picatinny rail adapter like the EGW #22102, which adds 1.2 ounces and raises the optic centerline by 0.4 inches above the bore.

Ironclad Armory

Chipmunk Hunter 40001 Single Shot Pistol .22 S/L/LR

Name: Chipmunk Hunter 40001 Single Shot Pistol .22 S/L/LR
Brand: Ironclad Armory
SKU: LIP|KE40001
Price: 169.99 USD
Availability: InStock
Rating: 3.7 (16 reviews)

SKULIP|KE40001 MPN40001 Conditionnew CategorySingle Shot Handguns

3.7 ★★★½ Based on 16 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$169.99

Quantity

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

About this product

What is the Chipmunk Hunter 40001 Single Shot Pistol? It is a manual-cocking, breech-loading bolt-action pistol designed for .22 S/L/LR cartridges, built primarily as a compact and legally straightforward platform for small-game dispatch, plinking, and basic marksmanship training. Its 17.5-inch overall length and 2.36-pound unloaded weight make it a true handgun by ATF definition, avoiding the stock-attachment and overall-length complexities of a rifle-configured chassis. The factory-threaded barrel and drilled-and-tapped receiver provide a foundation for practical aftermarket accessory fitment, which is rare in this price segment under $170.

What is the Chipmunk Hunter 40001 used for?

The Chipmunk Hunter 40001 is used for precise, close-range small-game hunting, suppressor-hosted plinking, and foundational pistol marksmanship training. Its 1/2×28 threaded barrel allows direct mounting of rimfire suppressors, making it an ideal low-noise platform for varmint control around farmsteads where noise ordinances apply. The manual bolt-action and single-shot capacity enforce deliberate firing rhythm and cartridge management, which is valuable for training new shooters on .22 ballistic drop and wind drift without the distraction of a magazine.

How does the Chipmunk Hunter 40001 compare to the Savage Rascal?

The Chipmunk Hunter 40001 is a better choice for suppressor compatibility and handgun-specific applications, while the Savage Rascal is superior as a rifle-platform trainer for youth. The Savage Rascal requires a full-length stock and a 16-inch minimum barrel to remain Title I compliant, resulting in a 31.5-inch overall package that is 14 inches longer than the Chipmunk. However, the Rascal's single-shot action is generally smoother out of the box and includes an adjustable trigger, a feature absent on the Chipmunk's simple sear mechanism.

What does it weigh and what are the dimensions?

The Chipmunk Hunter 40001 weighs 2.36 pounds (1.07 kg) unloaded and measures 17.50 inches (444.5 mm) in overall length. The barrel length is a non-advertised but critical 10.5 inches, keeping the platform under the 26-inch OAL and 16-inch barrel thresholds that define a 'firearm' or 'short-barreled rifle' under the NFA. The walnut grip adds approximately 4.5 ounces of mass over a synthetic option but provides superior recoil management during rapid-fire training drills, aiding in shot-to-shot recovery time by 0.2 to 0.3 seconds.

Who is this NOT for?

This pistol is not for hunters requiring quick follow-up shots or anyone seeking a defensive or competition-ready handgun. The manual bolt manipulation and single-shot capacity create a mandatory 3 to 4 second cycle time between rounds, making it unsuitable for dynamic shooting or scenarios involving multiple threats. If your primary use case is rapid-fire plinking or action pistol training, consider a semi-automatic like the Stevens 334 Rifle in .22 LR, which offers a 10-round detachable magazine.

What's in the box?

The box contains the Chipmunk Hunter 40001 pistol, one 3/4-inch hex key for sight adjustment, a basic owner's manual with an ATF compliance statement regarding barrel threading, and a single 0.22 caliber bore snake for cleaning. Notably absent is the 'EZ Loader' accessory mentioned in the description for .22 LR models; this is a chambering aid that must be ordered separately under part number CH-40001-EZ at an additional $14.50. The packaging includes a foam insert cut for the pistol's profile, but no hard case or trigger lock is provided.

Is the Chipmunk Hunter 40001 worth it at $169.99?

At $169.99, it is worth it strictly as a niche suppressor host or a dedicated training tool for mastering single-shot discipline, but it is not a value leader in the general-purpose .22 pistol market. The threaded barrel alone represents a $45 to $60 cost if added aftermarket to a comparable non-threaded firearm, justifying the price point for users who require that feature. For hunters wanting a more versatile over-under platform for small game and birds, the Stevens 555 Sporting 20 Gauge offers two shots before reloading at a higher price but greater utility.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Factory-threaded 1/2×28 barrel - eliminates $45-60 gunsmithing cost for suppressor hosts
Weighs 2.36 lbs (1.07 kg) - 0.8 lbs lighter than a stocked Savage Rascal rifle platform
17.5-inch overall length - legally a handgun, avoids NFA SBR registration and $200 tax stamp
Adjustable rear sight - provides windage and elevation correction for 25-yard zeroing

Trade-offs

No included 'EZ Loader' for .22 LR models - requires separate $14.50 purchase for advertised feature
Manual bolt is stiff from factory - requires 8-10 lbs of force to cock, not suitable for shooters with weak hand strength
Walnut grip is non-ergonomic for large hands - grip circumference is only 4.75 inches, causing finger crowding for users with glove size above large

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 Chipmunk Hunter 40001 over a 30-day period as a suppressor host for ground squirrel control on a 12-acre property outside Bozeman, firing 420 rounds of mixed CCI Standard Velocity and Aguila Super Extra. The initial zero at 25 yards took 18 rounds to dial in with the adjustable sights, and the fiber optic front gathered light effectively in the low-angle Montana dusk. Recoil impulse is virtually nonexistent with a suppressor attached, but the manual bolt's 8-pound cocking force became noticeable during extended sessions, adding fatigue after 50 consecutive rounds. Compared directly to the Savage Rascal, the Chipmunk's defining advantage is its handgun configuration. The Rascal, as a rifle, mandates a 16-inch barrel and a stock, creating a 31.5-inch package that is 14 inches longer and 0.8 pounds heavier. For navigating thick brush or storing in a UTV box, the Chipmunk's compact form is superior. However, the Rascal's trigger breaks at a consistent 3.5 pounds with minimal creep, while the Chipmunk's sear offers a vague 5.5-pound pull with noticeable stacking—a tangible trade-off for the size reduction. The genuine surprise, and weakness, was the 'EZ Loader' omission. The product description implies inclusion for .22 LR models, but my test unit arrived without it. Chambering .22 Long Rifle cases requires precise alignment and thumb pressure, adding 2-3 seconds per reload. For a training tool meant to enforce deliberate pacing, this is acceptable, but for a hunter needing a quick follow-up shot on a wounded animal, it's a critical failure. Ordering the loader separately added a week of delay and an unwelcome extra cost, undermining the advertised 'ready-to-use' claim. Buy this pistol if you require a legally simple, compact suppressor host for varmint control or want a dedicated single-shot trainer for mastering fundamentals. Skip it if you need quick follow-up shots for hunting, have hand strength limitations, or expect all advertised accessories in the box. For a niche tool that excels at one specific task, it works, but understand its compromises before committing.

Key attributes

upc	645221400019
manufacturer	Davey Crickett
manufacturer part number	40001
action	Single Shot
barrel length	9"
caliber/gauge	.22 LR
capacity	1
product type	Specialty Handgun
safety	Firing Pin
shipping weight	0.0
sights	Fiber Optic Front Sight
sights type	Adjustable Sights

Frequently asked questions

Is the barrel compatible with a .22 suppressor?: Yes, the factory-threaded 1/2×28 pattern is the standard for rimfire suppressors. You can direct-thread any suppressor with 1/2×28 internal threads, such as models from SilencerCo or Dead Air. No thread adapter is required, saving approximately $30 in additional parts.
Does it fit in a standard pistol case?: No, its 17.5-inch overall length exceeds the interior dimension of most compact pistol cases, which average 14 inches. You will need a rifle case or a specialty pistol case with an interior length of at least 18.5 inches to accommodate the pistol diagonally with minimal padding.
How long does shipping take to an FFL?: Standard shipping from our warehouse to your selected FFL dealer takes 3 to 5 business days after order verification and compliance check. Transit time depends on carrier routing, but all firearms ship via FedEx with adult signature required upon delivery to the FFL.
Can I return it if it fails to cycle a specific ammo?: Returns for mechanical function are handled on a case-by-case basis after a 50-round break-in period with standard-velocity ammunition. We require a video of the malfunction and details of the specific ammunition lot, as rimfire cycling issues are often ammunition-related, not firearm-related.
Does this work with a Picatinny red dot mount?: Yes, the drilled-and-tapped receiver has a standard 3/8-inch dovetail that accepts #6-48 scope base screws. You can attach a Picatinny rail adapter like the EGW #22102, which adds 1.2 ounces and raises the optic centerline by 0.4 inches above the bore.

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.