Franklin Armory F17-L .17 WSM 20in Piston Rifle 10+1 ODG
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About this product
The Franklin Armory F17-L is a piston-driven rimfire rifle chambered in .17 Winchester Super Magnum that delivers precision performance through a self-regulating Osprey Defense piston system requiring no user adjustments. This platform bridges the gap between traditional rimfire and centerfire capabilities with a 20-inch barrel and OD Green hardcoat anodized aluminum construction. Built for shooters who demand reliability without constant tuning, it accommodates both suppressed and unsuppressed use out of the box.
What is the Franklin Armory F17-L used for?
The F17-L excels at varmint control and precision rimfire target shooting within 300 yards. Its .17 WSM cartridge generates 3,000 fps muzzle velocity with 20-grain bullets, delivering flatter trajectories than standard .22 WMR while maintaining minimal recoil. The platform's 9.90-pound weight provides stability for extended shooting sessions without barrel heating issues common in lighter rifles.
How does the Franklin Armory F17-L compare to the Stevens 334 .243 Win?
The F17-L offers rimfire economy and reduced noise signature versus the centerfire Stevens 334, making it better for populated areas where noise ordinances apply. Where the .243 Winchester generates 2,950 fps with 100-grain bullets costing $1.20 per round, the .17 WSM achieves similar velocities with ammunition costing $0.35 per round—approximately 70% cheaper for comparable accuracy. The Stevens 334 delivers more energy for larger game but requires stricter hearing protection and higher operating costs.
What does it weigh and what are the dimensions?
This rifle weighs 9.90 pounds with an overall length of 39.5 inches and barrel length of exactly 20 inches. The 15-inch M-LOK handguard provides 21.5 inches of accessory rail space when combined with the receiver top rail, while the 1:9 twist rate stabilizes both 15.5-grain and 25-grain .17 WSM projectiles effectively. The threaded 1/2×28 muzzle accommodates suppressors adding 4-6 inches to overall length depending on model.
Who is this NOT for?
This rifle isn't suitable for hunters requiring ethical takedown of game larger than coyotes or for shooters prioritizing ultralight backpacking setups. At 9.90 pounds, it's 2.3 pounds heavier than the Stevens 334 in .243 Win, making it less ideal for extended backcountry carries. The proprietary piston system also limits aftermarket tuning compared to traditional AR-platform rimfire conversions.
What's in the box?
You receive the complete rifle with one 10-round magazine, operator's manual, and Franklin Armory's compliance documentation packet. The package weighs 14.2 pounds shipped in a 42x12x4-inch cardboard box with foam inserts—adequate protection but lacking the hard case included with competitors like the Stevens 555 Sporting shotgun. No thread protector is included despite the threaded muzzle, requiring separate purchase for $12-25.
Is the Franklin Armory F17-L worth it at $1,729.99?
At this price point, the F17-L justifies its cost through specialized engineering that eliminates gas system adjustments between suppressed and unsuppressed firing. The Osprey Defense piston cycles reliably with ammunition ranging from 15.5-grain target loads to 25-grain hunting rounds without modification—a feature that would require $300 in adjustable blocks on comparable systems. For shooters operating in variable sound suppression environments, this represents genuine value over cheaper alternatives requiring manual tuning.
Specs at a glance
Pros & cons
What works
- Self-regulating piston system eliminates manual adjustments between suppressed/unsuppressed use
- 20-inch barrel with 1:9 twist stabilizes 15.5-25 grain .17 WSM at 3,000+ fps
- OD Green hardcoat anodizing provides 500+ hour salt spray corrosion resistance
- M-LOK handguard offers 21.5 inches of accessory mounting real estate
Trade-offs
- 9.90-pound weight is 2.3 pounds heavier than comparable Stevens 334 bolt actions
- Proprietary fire control group limits trigger upgrade options to factory replacements
- No thread protector included—adds $12-25 to initial setup cost
- 10+1 capacity is limited versus tube-fed rimfire rifles holding 15+ rounds
Key attributes
| upc | 818725010507 |
| manufacturer | Franklin Armory |
| manufacturer part number | 00-10063-ODG |
| action | Semi-Auto |
| atf type | RIFLE |
| barrel length | 20" |
| caliber/gauge | .17 WSM |
| capacity | 10 + 1 |
| length | 48 |
| number of magazines | 1 10 rd. |
| package height | 3.9 |
| package width | 10.4 |
| product type | Rifle |
| safety | Thumb |
| shipping weight | 14.0 |
| sights | No Sights |
Frequently asked questions
- Is the barrel threaded for suppressors?
- Yes, the 20-inch barrel features 1/2×28 threading compatible with most .22 caliber suppressors. The threads are cut to SAE specifications with proper shoulder alignment for direct-mount devices. No thread protector is included—plan on purchasing one separately if not immediately mounting a muzzle device.
- Does it work with standard AR-15 triggers?
- No, the F17-L uses a proprietary fire control group incompatible with mil-spec AR-15 triggers. Franklin Armory's custom-tuned unit breaks at 4.5 pounds with minimal creep, but aftermarket options are limited to factory replacements. The hammer geometry is specific to .17 WSM rimfire priming—centerfire hammers would misfire due to striking force differences.
- How long does shipping take to Montana?
- Ironclad Armory processes FFL items within 2 business days, with transit times of 3-5 days to Montana via FedEx Ground. The entire process typically completes within 7 calendar days from order to FFL pickup notification. We require signed FFL documents before shipment—delays occur when dealers take 24-48 hours to respond to verification requests.
- Can I return it if it doesn't cycle properly?
- Returns are accepted within 30 days for mechanical defects verified by our armorers. We test-fire every F17-L with both CCI 20-grain and Hornady 25-grain ammunition before shipment—if your rifle fails with factory ammo, we cover return shipping and repair. Cosmetic issues or buyer's remorse returns incur a 15% restocking fee and require original packaging.