Alexander Arms RTA65ST Tactical | 6.5 Grendel | B5 Bravo

The Alexander Arms RTA65ST Tactical is a semi-automatic modern sporting rifle chambered in 6.5mm Grendel. It features an anodized aluminum receiver, TCE-branded handguard with M-LOK attachment points, a threaded muzzle, and a B5 Systems SOPMOD BRAVO collapsible stock. For a practical optic under $1,000 that pairs well with this platform consider a Vortex Viper PST 1-6×24 for low-power variable capability suited to tactical and target use.

Applications: medium-range precision target work and varmint/field hunting.

Product Specifications

• The caliber is 6.5mm Grendel.
• The action is Semi-Auto.
• The barrel is described as threaded (5/8-24 RH).
• The rate of twist is 1:8″.
• The muzzle device is an A2 flash hider.
• The finish is Anodized.
• The stock is a B5 Systems SOPMOD BRAVO collapsible stock.
• The stock material is synthetic.
• The rifle includes a detachable magazine.
• The trigger is a Mil-Spec trigger.
• The rifle is configured as a Modern Sporting Rifle.
• Sights: None (no iron sights).
• The handguard is TCE Alexander Arms branded with M-LOK.
• The weight is 6 lbs.
• UPC: 819511021844.

The RTA65ST brings established AR-style ergonomics and modularity in a 6.5mm Grendel package. The threaded barrel and M-LOK handguard make it straightforward to mount accessories and a low-power variable optic, while the B5 Bravo stock offers a familiar, adjustable fit. Its mil-spec trigger and anodized finish deliver a practical, serviceable platform for deliberate shooting applications.

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