Alexander Arms RTA50ST Tactical 16.5" 8-Round Threaded Barrel Carbine

The Alexander Arms RTA50ST Tactical 16.5" 8-Round Threaded Barrel Carbine represents a specialized platform purpose-built for operators and precision shooters who demand reliability in the .50 Beowulf cartridge. This is not a rifle for the casual marksman—it's engineered for professional and recreational shooters who understand intermediate-power rifle dynamics and require a firearm capable of delivering significant terminal performance at moderate distances. The 16.5-inch barrel strikes a proven balance between velocity retention and maneuverability in tactical and hunting applications where the .50 Beowulf's superior ballistics justify its recoil signature.

Built on Alexander Arms' proven rifle platform, the RTA50ST features a threaded barrel that accommodates suppressors and muzzle devices, giving operators flexibility in load tuning and signature reduction. The 8-round capacity reflects the .50 Beowulf's physical cartridge dimensions—standard magazines for this caliber hold fewer rounds than conventional rifle ammunition due to case size and weight considerations. At 9 pounds unloaded, the carbine maintains a shootable profile without sacrificing structural rigidity, critical when handling the substantial pressures generated by .50 Beowulf loads. The tactical configuration supports modern optic mounting systems, rail accessories, and ergonomic controls demanded by law enforcement and military training environments.

This platform excels for precision rifle courses, specialized hunting applications, and operators evaluating non-standard caliber performance in AR-platform frameworks. The threaded barrel allows suppressor installation for sound mitigation during training or field operations, while the compact 39-inch overall length facilitates transport and deployment in confined spaces. Shooters should verify ammunition availability and reloading component sourcing before committing to .50 Beowulf rifles, as commercial supply remains limited compared to mainstream calibers. Professional armorer support and factory technical guidance from Alexander Arms ensures proper maintenance protocols specific to this specialized cartridge platform.