The TriStar KR22 .22 LR Semi-Auto ODG/Black Threaded is a rimfire rifle built for range training, plinking, and recreation. Chambered in .22 LR, this semi-automatic rifle features an olive-drab finish paired with a black synthetic stock and ships with two 10-round rotary magazines. The threaded muzzle (1/2×28 pattern) and full Picatinny top rail provide practical utility for shooters who need suppressor compatibility or optic mounting. This is a straightforward, economical tool for serious shooters.
| Manufacturer | TriStar Arms |
|---|---|
| Model | KR22 |
| Material | Synthetic stock, steel barrel |
| Compatibility | .22 LR ammunition, 1/2×28 threaded suppressors |
| Finish | Olive drab (stock), black (barrel/receiver) |
| Weight | 4.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Threaded Muzzle (1/2×28): Allows direct attachment of suppressors or muzzle devices, reducing noise and recoil for training sessions.
- Full Picatinny Top Rail: Enables mounting of optics (red dots, scopes) or iron sights without adapters, improving target acquisition speed.
- Two 10-Round Rotary Magazines: Provides immediate out-of-box capacity for range sessions, reducing reload frequency during drills.
- Adjustable Sights: Windage and elevation adjustments let zero the rifle to your preferred ammunition, ensuring consistent accuracy.
- Olive Drab/Black Finish: Low-visibility color scheme suits tactical or outdoor environments, reducing glare and signature.
Who It’s For
This rifle is designed for law enforcement and military personnel needing a low-cost training platform for marksmanship fundamentals. It also serves serious shooters who want a reliable .22 LR for recreational plinking or pest control. The threaded barrel and rail system make it adaptable for suppressor use or optic upgrades.
Pros/Cons
- Pros: Economical .22 LR ammunition; threaded barrel for suppressors; full Picatinny rail; two magazines included; adjustable sights; lightweight at 4.5 lbs.
- Cons: Rotary magazines can be slower to load than stick mags; synthetic stock may feel less rigid than aluminum chassis on higher-end rifles.
Comparison
| Feature | TriStar KR22 | Geissele Automatics Super Duty | Lone Wolf Distributors Timberwolf |
|---|---|---|---|
| Caliber | .22 LR | 5.56 NATO | 9mm |
| Barrel Length | 16.5 inches | 16 inches | 4.6 inches |
| Weight | 4.5 lbs | 7.5 lbs | 2.5 lbs |
| Magazine Capacity | 10 rounds (rotary) | 30 rounds (STANAG) | 15 rounds (pistol) |
| Threaded Muzzle | Yes (1/2×28) | Yes (1/2×28) | Yes (1/2×28) |
| Price | $254.19 | $1,200+ | $400+ |
Per TriStar Arms specs, the KR22 is a budget-friendly rimfire trainer. Compared to the Geissele Super Duty (a premium AR-15), the KR22 offers lower cost per round and lighter weight, ideal for high-volume training. The Lone Wolf Timberwolf is a pistol-caliber carbine; the KR22 uses cheaper .22 LR ammo but has a longer barrel for better sight radius.
FAQ
Is the TriStar KR22 compatible with standard .22 LR ammunition?
Yes, the KR22 is chambered for .22 LR and functions reliably with high-velocity, standard-velocity, and subsonic loads. Use quality ammo for best performance.
Can I mount a suppressor on this rifle?
Yes. The barrel is threaded 1/2×28, which is the standard pattern for .22 LR suppressors. Ensure your suppressor is rated for rimfire use.
How do I adjust the sights?
The rear sight has windage and elevation adjustments. Use a flathead screwdriver to turn the adjustment screws; each click moves the point of impact approximately 1/4 inch at 50 yards.
What is the magazine capacity?
The rifle ships with two 10-round rotary magazines. Aftermarket 25-round magazines are available from TriStar and third-party manufacturers.
Is this rifle legal in all 50 states?
The KR22 is a non-restricted .22 LR rifle with a 16.5-inch barrel, so it complies with federal law. Some states have magazine capacity limits; check local regulations for 10-round restrictions.
Trust & Delivery
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
Internal links: Semi Auto Rifles | Rimfire Rifles | Training Rifles
Last updated: April 2026
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