The Alexander Arms RTA65ST delivers precision and versatility in the proven 6.5 Grendel platform. This tactical rifle combines long-range accuracy with reliable semi-automatic operation for demanding applications.
What Makes This Different
The 6.5 Grendel cartridge provides superior ballistics compared to standard 5.56 NATO, maintaining energy and accuracy beyond 600 yards. The RTA65ST platform features a purpose-built upper and lower receiver set machined from 7075-T6 aluminum with Type III hard coat anodizing. Alexander Arms pioneered the 6.5 Grendel cartridge, ensuring optimal chamber dimensions and rifling specifications for maximum performance.Key Features
- 16-inch chrome-lined barrel with 1:8 twist rate and 5/8x24 threaded muzzle
- M-LOK compatible free-float handguard for accessory mounting flexibility
- B5 Systems Bravo stock with multiple length-of-pull positions
- Full-length Picatinny top rail for optics and backup iron sights
- Standard AR-15 trigger group and safety selector compatibility
- Accepts standard AR-15 magazines modified for 6.5 Grendel
- Black anodized finish throughout for corrosion resistance
Technical Specs
- Caliber: 6.5 Grendel
- Barrel Length: 16 inches, chrome-lined
- Overall Length: Approximately 36.5 inches (stock extended)
- Weight: Approximately 7.5 pounds (unloaded)
- Capacity: 10+1 rounds
- Receiver Material: 7075-T6 aluminum, Type III anodized
- Stock: B5 Systems Bravo, 6-position adjustable
- Grip: A2-style pistol grip
- Thread Pattern: 5/8x24 TPI
- Twist Rate: 1:8 inches