The Auto-Ordnance TAO50 is a semi-automatic rifle chambered in .50 BMG with a 29-inch barrel, an overall length of 61 inches, and a 1-in-15 rate of twist. It weighs 25.5 lbs. and feeds from Barrett M107A1 magazines, with one 10-round magazine included. An Accu-Tac bipod is also included. 
 

Key Specifications 

• Manufacturer: Auto-Ordnance - Thompson 
• Family: TAO50 Series 
• Model: TAO50 
• Type: Rifle 
• Action: Semi-Auto 
• Caliber/Gauge: 50 BMG 
• Finish: FDE Anodized (Other Finish) 
• Stock: Collapsible / Folding Stock (Magpul PRS Gen 3) 
• Barrel Length: 29" 
• Overall Length: 61" 
• Rate-of-Twist: 1-in-15 
• Capacity: 10 + 1 rounds (includes one magazine) 
• Weight: 25.5 lbs. 
• Additional Info: 
  • Uses Barrett M107A1 Magazines 
  • Includes Accu-Tac Bipod 
     

Detailed Features 

The Magpul PRS Gen 3 stock adjusts for length of pull and cheek height, so different shooters can get a consistent cheek weld without shimming. The 29-inch barrel with a 1-in-15 twist handles the heavier .50 BMG projectiles commonly used at extended ranges. The included Accu-Tac bipod is a solid prone shooting platform and handles uneven ground better than most budget bipods. The FDE anodized finish is durable and won't corrode in field conditions. 
 
The rifle's 25.5 lb. weight mitigates recoil noticeably compared to lighter .50 BMG platforms, which makes it more manageable during a range session, though portability is a real consideration for anything beyond a bench or prone position.

TAO50 feedback breaks into a few consistent themes. Accuracy at long range gets the most positive attention. Most shooters report it performs well from a bench or prone position with quality ammunition and a good optic. Build quality is generally well-regarded; the materials feel appropriate for a rifle in this caliber.

Weight and portability are the main practical concerns. At 25.5 lbs. unloaded, moving this rifle around any distance is work, and it's essentially a static-position platform. That doesn't surprise most buyers going in, but some note it limits how and where they can use it.

Recoil management is discussed in the context of the weight. Most shooters find the mass absorbs enough of the .50 BMG impulse to keep follow-up shots manageable. The Magpul PRS stock gets positive mentions for fit adjustability.

Ammunition cost and availability come up frequently. .50 BMG is expensive and not always stocked locally, which affects how often owners actually shoot it. The price of the rifle itself is a point of debate. Some feel it's competitive for a semi-auto .50, others think there are better-value options at the price point.