Franklin Armory F17-L Piston Rifle .17 WSM 20rd Magazine 20″ Barrel M-LOK Handguard
$1,709.99
The Franklin Armory F17-L is the world’s first piston-driven rimfire rifle, chambered in .17 Winchester Super Magnum, designed for effective pest control with minimal maintenance. Its innovative Osprey Defense slim piston system automatically adjusts for both suppressed and unsuppressed use, ensuring optimal performance without the need for manual adjustments.
2 in stock
Franklin Armory proudly presents the world's first piston driven rimfire platform. Chambered in the amazing .17 Winchester Super Magnum it provides a cleaner and flatter shooting solution for all kinds of pest control. The F17-L R2 has an Osprey Defense slim piston system. The piston system automatically adjusts for suppressed or unsuppressed use no adjustments needed! This pairs perfect for use with the 20” barrel which is threaded in the common ½-28 thread pitch perfect for use with compatible suppressors. The new proprietary handguard features an integrated barrier stop / indexing point and is M-LOK compatible.
Specifications:
- Barrel Length: 20” Threaded ½-28 Thread pitch
- Handguard/Upper: 15" Integrated Barrier Stop
- Sights: Optic Ready
- Twist: 1:9
- Charging Handle: Standard
- Bolt Carrier: F17 Proprietary
- Lower: Libertas
- Trigger: Custom Tuned Trigger
- Gas System: OPS Piston
- Gas Block: Low Profile
- Muzzle Device: Aura
- Color: ODG
- Stock: Bravo C Stock
- Grip: Ergo Ambi Sure
- Calibers: .17 WSM
| Weight | 13.750 lbs |
|---|---|
| Dimensions | 47.650 × 10.500 × 4.000 in |
| Manufacturer | Franklin Armory |
| Caliber / Gauge | 17 WSM |
| Action | Semi-Auto |
| Barrel Length | 20″ |
| Capacity | 20 + 1 |
| Finish | ODG Hardcoat Anodized |
| Overall Length | 36″ – 39.5″ |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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