Lithgow Arms · Assault-Rifle · In Production · 2020
| Weight (empty) | 3250 g (114.6 oz) |
| Overall Length | 701 mm (27.60") |
| Barrel Length | 407 mm (16.02") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Short Stroke Piston |
| Firing Mechanism | Hammer Fired |
| Effective Range | 500 m (547 yd) |
| Frame Material | Polymer |
Primary Caliber: 5.56x45mm NATO
The Lithgow F90 MBR (Modular Bullpup Rifle) is an enhanced variant of the F90 designed for integrated forces. It features improved ambidextrous controls, a drop-free magazine release with flared magazine well, and OTB (Over-The-Beach) US SOCOM compliance for amphibious operations. The MBR retains all F90 barrel length options while adding modernized ergonomics.
Country of Origin: Australia