Description
There's something refreshing about a firearm that does exactly one thing and does it well. The Chipmunk Hunter Pistol from Keystone Sporting Arms is a manual-cocking, single-shot bolt-action chambered in .22 S/L/LR, meaning it feeds .22 LR, .22 Long, and .22 Short interchangeably. The stainless barrel and action pair with a genuine American walnut stock for a combination that looks sharp, holds up in the field, and feels right in the hand without a bunch of unnecessary bulk. At 2.36 lbs and 17.5" overall, this thing is genuinely easy to carry all day.
What Makes the Chipmunk Hunter Pistol Stand Out in the Field
The 9" barrel is factory threaded at 1/2×28, which opens the door for a suppressor or muzzle device if you want to take the volume down a notch on pest control duty. The receiver is drilled and tapped, so optic mounting is straightforward using a compatible base. Williams Fire Sights come standard, with an adjustable rear and a fiber optic front post that gives you a clean, bright picture on target without needing to swap anything out of the box. The 1:16 twist rate is well-suited for standard .22 LR loads, and the bolt action is manually cocked, so nothing happens until you're ready for it to happen.
Chipmunk Hunter Safety and Loading Features
The safety system uses a rebounding firing pin that is automatically blocked unless the trigger is intentionally pulled, which adds a solid layer of protection during carry and loading. There's also a two-position crossbolt safety for additional peace of mind. The EZ Loader feature, included on all .22 LR models, makes getting a round into the chamber quick and simple, which is especially handy when wearing gloves or working in the field. Backed by a lifetime warranty from Keystone Sporting Arms, this pistol is built to be a long-term tool, not a one-season wonder.
Key Specifications
- UPC: 645221401016
- MPN / Model: 40101
- Manufacturer: Keystone Sporting Arms (Crickett / Chipmunk)
- Caliber: .22 S/L/LR
- Action: Single-Shot Bolt Action (Manual Cocking)
- Barrel Length: 9"
- Overall Length: 17.5"
- Weight: 2.36 lbs
- Finish: Stainless Steel
- Stock / Grip: American Walnut
- Capacity: 1 Round
- Sights: Williams Fire Sights – Adjustable Rear / Fiber Optic Front
- Thread Pattern: 1/2×28 (Factory Threaded Barrel)
- Rate of Twist: 1:16
- Safety: Rebounding Firing Pin + 2-Position Crossbolt
- Receiver: Drilled and Tapped for Scope Base
- Trigger Pull: Approx. 2.5 – 3 lbs
What’s Included
- Chipmunk Hunter Pistol
- EZ Loader
- Thread Protector Cap
Frequently Asked Questions
What .22 ammunition can the Chipmunk Hunter Pistol shoot?
The Chipmunk Hunter Pistol is chambered for .22 LR and will also cycle .22 Long and .22 Short without any modifications. The EZ Loader is included specifically for .22 LR models. If you want to run .22 Short for a quieter backyard pest-control setup, this platform gives you that flexibility.
Can you mount a scope on the Chipmunk Hunter Pistol?
Yes, the receiver is drilled and tapped for a scope base, so adding an optic is very doable with a compatible mount. Many owners run low-power rimfire scopes or red dots on this pistol to stretch the effective range out past what the iron sights can comfortably cover. The Williams Fire Sights that come standard are solid for shorter distances, but the optic option is a nice upgrade path.
Is the Chipmunk Hunter Pistol a good choice for small-game hunting?
It was designed specifically with that in mind. The 9" threaded barrel keeps the package compact and manageable while still delivering solid accuracy at typical small-game ranges. The lightweight build means you won't mind carrying it through the woods all morning, and the single-shot format encourages you to pick your shots carefully, which matters when you're going after squirrels or rabbits with a handgun.
What does the EZ Loader do?
The EZ Loader is a built-in loading aid that makes chambering a round faster and more straightforward, especially with gloves on or in cold-weather conditions. It's included on all .22 LR variants of the Chipmunk Hunter line. It's a small feature that makes a real difference once you're out in the field.
Is the barrel on the Chipmunk Hunter Pistol threaded from the factory?
Yes, the 9" stainless barrel comes from the factory with 1/2×28 threads and includes a thread protector cap. This makes it ready to accept a suppressor or muzzle device without any additional gunsmithing. It's a practical feature for anyone who wants a quieter setup for pest control or extended range sessions.
How does the manual-cocking action work on the Chipmunk Hunter Pistol?
The Chipmunk Hunter does not automatically cock when you open the bolt to load a round. You have to manually pull the cocking knob rearward to prepare the action to fire, which is a deliberate design choice that keeps the firearm inert until you're fully ready to shoot. Combined with the rebounding firing pin safety and the two-position crossbolt safety, it gives you multiple layers of control over when the gun is ready to fire.



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