Icon Defense Billet Monolithic Upper Receiver, MLOK
The Icon Defense Billet Monolithic Upper Receiver is an advanced billet upper receiver engineered for unmatched strength and reliability.
Precision-machined from billet for exceptional rigidity and durability, each monolithic upper is designed to deliver superior alignment and consistent performance.
Built to pair with any standard AR-15 barrel seamlessly, our billet monolithic platforms deliver uncompromising performance for demanding shooters who expect the highest level of engineering and craftsmanship.
- Rail Length: 10.75″
- Barrel Compatibility: Any standard AR15/M4 barrel between 11.5″ and 16″ in length
- Weight: 18.688oz
- 7075-T6 aluminum, hardcoat anodized
Includes:
- 1x Monolithic Upper Receiver
- 1x Titanium Barrel Nut
- 1x Icon Defense gas block
- 1x Barrel Nut Wrench Set
- Port Door Pin

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