Experience the pinnacle of durability and lightweight performance with the FMK AR-15 Polymer Lower Receiver. This state-of-the-art polymer lower boasts unmatched strength and resilience, all while weighing in at just 4.3 ounces. Perfect for any AR-15 build, the FMK AR1 extreme offers superior performance with its innovative design, making it the strongest composite polymer lower available today. Enhance your firearm with this semi-automatic black finish lower receiver from FMK Firearms, designed to meet the demands of any shooting enthusiast or professional.
- Manufacturer: FMK Firearms
- Model: AR-15
- Caliber: 223 Remington / 556 NATO
- Finish: Black
- Action: Semi-automatic
- MPN: FMKGAR1E
- Type: Lower
- Sub Category: Lower Receivers
