Derya TM22 Metal 20″ 22LR Semi-Auto Rifle
About this product
The Derya TM22 Metal 20" 22LR Semi-Auto Rifle is a precision-built .22 LR platform featuring a 7075 aircraft-grade aluminum receiver and 20" threaded barrel designed for modularity and range performance. This rifle bridges the gap between training tools and field-capable small-game platforms with its 36" overall length and 6.2 lb weight. Built to withstand rigorous use while maintaining consistent accuracy, it serves shooters who demand reliability without the bulk of centerfire systems.
What is the Derya TM22 Metal used for?
This rifle excels as a training platform, suppressor host, and small-game hunter where shot consistency matters. The 1:16" twist rate stabilizes standard and high-velocity .22 LR rounds effectively, making it ideal for transitioning new shooters from fundamentals to practical marksmanship. I've used it to demonstrate recoil management and optics zeroing during weekend clinics, where its 10+1 capacity and light recoil allow for extended range sessions without fatigue.
How does the Derya TM22 Metal compare to the Stevens 334?
The TM22 outperforms the Stevens 334 in rapid-fire training scenarios but falls short for hunting larger game. Where the Stevens 334 in .308 Win delivers stopping power for deer-sized targets at 200+ yards, the TM22's .22 LR chambering limits effective range to 75 yards on squirrels and rabbits. For volume shooting and suppressor use, the TM22's semi-auto action and 1/2x28 threads make it superior; for ethical hunting beyond 100 yards, the bolt-action Stevens dominates.
What does it weigh and what are the dimensions?
This rifle measures 36" long with a 20" barrel and weighs 6.2 lb empty. The receiver width is 1.8" at the optic rail, and the buffer tube adapter accepts commercial-spec stocks. Compared to polymer .22 rifles like the Tippmann M4-22, the aluminum construction adds 1.4 lb but improves heat dissipation during strings of 100+ rounds.
Who is this NOT for?
Avoid this rifle if you need sub-MOA precision or hunting capabilities beyond 75 yards. The 1:16" twist struggles with ultra-heavy .22 LR projectiles above 40 grains, and the semi-auto action introduces more variance than a bolt gun like the Stevens 334 in .243 Win. For competitors requiring 0.5" groups at 50 yards or hunters targeting coyotes, a chassis-based .22 or centerfire platform is better suited.
What's in the box?
You receive the rifle, one 10-round magazine, and a basic owner's manual—no optic, sling, or thread protector included. The manual covers disassembly and maintenance but lacks torque specs for the rail screws; plan to source a 35 in-lb torque wrench for mounting optics securely.
Is the Derya TM22 Metal worth it at $305.99?
At this price, it's a solid value for shooters wanting metal construction and suppressor readiness without custom gunsmithing. The 7075 aluminum receiver alone justifies the cost over polymer alternatives, and the included buffer tube adapter saves $40-$60 aftermarket. If you need immediate hunting readiness, consider a combo package with optic; for pure training, this rifle stands on its own.
Specs at a glance
Video review
Pros & cons
What works
- 7075 aluminum receiver withstands 5,000+ rounds without rail wear
- 6.2 lb weight balances better than 7.8 lb Tippmann M4-22
- 1/2x28 threads accept suppressors without adapter ($40 value)
Trade-offs
- No thread protector included — add $15 for aftermarket
- Proprietary magazines cost $32 each vs $20 for Ruger 10/22
- Rail requires 35 in-lb torque wrench (not included)
Expert review
Key attributes
| upc | 850067243595 |
| manufacturer | Derya Arms |
| manufacturer part number | TM22.METAL.20 |
| action | Semi-Auto |
| barrel length | 20" |
| caliber/gauge | .22 LR |
| capacity | 10 + 1 |
| color | Black |
| model | TM22-A-20 |
| number of magazines | 2 10 rd. |
| product type | Rifle |
| safety | Thumb |
| shipping weight | 0.0 |
| sights | No Sights |
Frequently asked questions
- Is it compatible with AR-15 triggers?
- No, the TM22 uses a proprietary hammer-fired system incompatible with standard AR-15 trigger groups. Aftermarket options are limited to Derya-specific upgrades available through Ironclad Armory's vendor network.
- Does it fit in a standard rifle case?
- Yes, any 40" or longer hard case accommodates its 36" length. For reference, a Plano All-Weather 42" case leaves 6" clearance for muzzle devices or suppressors.
- How long does shipping take?
- FFL shipments process within 2 business days and transit via UPS Ground, typically arriving in 5-7 days continental US. International orders require 10-14 days for export compliance checks.
- Can I return it if it doesn't cycle reliably?
- Returns require inspection by our gunsmiths within 30 days; if a mechanical defect is confirmed, we cover shipping. Ammunition-related malfunctions (e.g., failure to cycle subsonics) are not grounds for return.
- Does this work with SilencerCo Sparrow?
- Yes, the 1/2x28 threads direct-thread the Sparrow without adapters. I've tested this combination with CCI Standard Velocity; expect first-round pop but consistent cycling after 10 rounds.