The Alexander Arms R300ST delivers precision performance in the versatile 300 Blackout caliber with a complete package ready for immediate deployment. This rifle combines Alexander Arms' engineering expertise with practical features that serious shooters demand.
What Makes This Different
Built on Alexander Arms' proven platform, the R300ST features a cold hammer-forged 16-inch barrel optimized for 300 Blackout ballistics. The black anodized receiver provides superior corrosion resistance compared to standard phosphate finishes. The Adaptive Tactical EFX stock system offers tool-free length adjustment and enhanced cheek weld positioning for consistent sight alignment.
Key Features
- 16-inch cold hammer-forged barrel with 1:7 twist rate for heavy bullet stabilization
- 30+1 capacity with standard STANAG magazine compatibility
- Adaptive Tactical EFX adjustable stock with multiple length positions
- Black anodized aluminum receiver with MIL-SPEC tolerances
- Optics-ready flat-top receiver with full-length Picatinny rail
- Black polymer pistol grip with ergonomic texturing
- Standard AR-15 trigger group and safety selector
The 300 Blackout cartridge excels in both supersonic and subsonic applications, making this rifle suitable for hunting medium game, tactical applications, and suppressed shooting. The 16-inch barrel length provides optimal velocity while maintaining maneuverability in confined spaces. Factory testing demonstrates sub-MOA accuracy potential with quality ammunition.
Technical Specs
- Caliber: 300 AAC Blackout
- Barrel Length: 16 inches
- Overall Length: 32.75-36.75 inches (stock extended)
- Weight: Approximately 6.8 pounds
- Capacity: 30+1 rounds
- Receiver: Black anodized aluminum
- Stock: Adaptive Tactical EFX adjustable
- Grip: Black polymer
- Rail System: Full-length Picatinny top rail
- Twist Rate: 1:7 inches
- Thread Pattern: 5/8x24 TPI
The R300ST represents Alexander Arms' commitment to manufacturing precision rifles that perform consistently across diverse shooting applications. This optics-ready configuration accepts any standard Picatinny-mounted sight system without additional modifications.