Grand Power R308
Grand Power · Battle Rifle · In Production · 2025
Overview
The Grand Power R308 is a short-stroke piston-operated semi-automatic rifle on the AR-10 platform, chambered in .308 Winchester / 7.62x51mm NATO. With a 20-inch barrel and 3,600g empty weight, it serves as Grand Power's entry into the battle rifle / designated marksman rifle market. The piston system keeps the action cleaner than direct impingement designs.
Specifications
| Weight (empty) | 3600 g (127.0 oz) |
| Overall Length | 983 mm (38.70") |
| Barrel Length | 508 mm (20.00") |
| Height | 195 mm (7.68") |
| Width | 47 mm (1.85") |
| Action Type | Gas Operated Short Stroke Piston |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Single Stage |
| Magazine Capacity | 20 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 850 m/s (2789 fps) |
| Muzzle Energy | 3515 J (2593 ft·lbf) |
| Frame Material | Aluminum |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Anodized |
Calibers
- .308 Winchester · primary · 7.62mm NATO — also known as 7.62x51mm NATO, .308 Win
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Manual Safety
- Features: Free Floating Barrel, M Lok Handguard, Collapsible Stock, Short Stroke Piston
Origin
Country of origin: Slovakia
Notes
Overall length 983mm (14" barrel) to 1,083mm (20" barrel). Width 46.6mm without charging handle.