Franklin Armory BFSIII-M4 Midlength Rifle 5.56mm NATO 16″ Barrel BFSIII Binary Trigger
$809.85
The Franklin Armory BFSIII-M4 Midlength Rifle is a versatile 5.56mm NATO rifle featuring a BFSIII binary trigger for enhanced firing capabilities. With a 16″ LTW contour barrel and a midlength gas system, this rifle is optimized for both competitive shooting and tactical applications.
59 in stock
Specifications:
- Barrel Length + Type: 16” LTW Contour
- Handguard/Upper: 15" FST
- Sights: Optic Ready
- Twist: 1:7”
- Charging Handle: Standard
- Bolt Carrier: Salt Bath Nitride
- Lower: FAI-15
- Trigger: BFSIII
- Gas System: Midlength
- Gas Block:Low Profile
- Muzzle Device: A2
- Color: Black
- Stock: M4
- Grip: A2
- Calibers: 5.56 NATO
| Weight | 12.470 lbs |
|---|---|
| Dimensions | 48.000 × 10.500 × 4.000 in |
| Manufacturer | Franklin Armory |
| Caliber | 5.56mm NATO |
| Barrel Length | 16.0 |
| Action | Semi-automatic |
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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