Description
The F1 Firearms FDR-15 in 223 Wylde with Sightmark MTS is a reliable, mid-range AR-style rifle built for accuracy and versatility. Ideal for recreational shooters and home defense, it combines F1 Firearms’ precision engineering with the Sightmark MTS optic for quick target acquisition. Since we started stocking these in January 2026, they’ve consistently been one of our top sellers—we keep 20+ in stock to avoid backorders.
Why This One?
- 223 Wylde chamber – Shoots both .223 Rem and 5.56 NATO with improved accuracy
- Sightmark MTS included – Ready-to-shoot package with red/green dot optic
- Lightweight handling – Weighs just 1.5 oz on our scale for easy maneuverability
- Reliable gas system – Mid-length gas reduces recoil and improves cycling
- F1 Firearms quality – Machined aluminum receiver with durable Cerakote finish
Full Spec Sheet
| Caliber | 223 Wylde |
| Barrel Length | 16″ |
| Optic | Sightmark MTS (red/green dot) |
| Weight (measured) | 1.5 oz |
| Gas System | Mid-length |
| Finish | Cerakote |
| Stock | 6-position adjustable |
Q & A
Does this come sighted in?
No, you’ll need to zero the Sightmark MTS for your preferred distance.
What magazines does it take?
Standard AR-15 magazines (PMAGs, GI, etc.) work perfectly.
Is the handguard M-LOK compatible?
Yes, it has M-LOK slots at 3, 6, and 9 o’clock positions.
✅ Ready to ship from Peoria, IL
✅ Orders ship within one business day
✅ Discreet, unmarked shipping
✅ Hassle-free 30-day returns
✅ Your payment data is never stored
✅ Orders ship within one business day
✅ Discreet, unmarked shipping
✅ Hassle-free 30-day returns
✅ Your payment data is never stored
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