The Tisas 1911 Duty B45 is a full-size 1911-pattern semi-automatic pistol chambered in .45 ACP with a 5-inch stainless barrel and Black Cerakote carbon steel frame. It has an 8-round capacity and ships with two magazines, rubber overmolded grips, and Novak white dot sights. 
 

Key Specifications 

• Brand: Tisas 
• Model: 1911 Duty B45 
• Caliber: .45 ACP 
• Action: Semi Auto 
• Capacity: 8+1 
• Barrel Length: 5 inches 
• Color/Finish: Black Cerakote 
   

Detailed Features 

• 5-inch stainless barrel with Black Cerakote carbon steel frame 
• Rubber overmolded grips 
• Novak white dot sights 
• Ships with 2 magazines 
• 8-round magazine capacity

Owners of the Tisas 1911 Duty B45 point to its value as the main selling point: a Cerakote-finished, full-size 1911 in .45 ACP that includes two magazines at a price well below comparable domestic brands. Fit and finish get decent marks for the price tier, with the Cerakote holding up well to range use.

The Novak-style sights and rubber grips are seen as practical, ready-to-go additions rather than afterthoughts. The trigger on the 1911 Duty B45 is single-action by design and most owners find it crisp enough out of the box, though some note a break-in period before it settles.

The common complaint centers on fit tolerances that vary unit to unit. Some buyers get a tight, smooth action while others need a detail-strip and polish before feeding is fully reliable. Customer service from the importer (SDS Imports) draws mixed opinions on response time.