The Springfield Armory 1911 10-8 Performance Master Class is a .45 ACP 1911 pistol developed through a collaboration between Springfield Armory and Hilton Yam's 10-8 Performance shop, aimed at duty-oriented use. It has a 5-inch heavy coned match barrel, an 8+1 capacity, and the AOS (Agency Optic System) cut for mounting red dot optics. The pistol wears a Blue/Black finish with VZ grips. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: 1911 10-8 Performance Master Class 
• Caliber: .45 ACP 
• Action: Single Action 
• Capacity: 8+1 
• Barrel Length: 5" 
• Finish: Blue/Black 
   

Detailed Features 

• 5-inch heavy coned match barrel for accuracy and recoil control 
• AOS (Agency Optic System) cut for factory-ready red dot mounting 
• Reverse 10-8 Performance spring plug with an upgraded slide stop, trigger, and magazine catch 
• Integrated magwell for faster, more confident reloads 
• VZ grips and a square trigger guard for a secure hold

Owners of this Master Class 1911 from Springfield Armory generally describe the fit and function as tight and reliable for duty-oriented use, crediting the reverse spring plug and upgraded internals for consistent cycling. The heavy coned barrel is seen as a durable, accuracy-focused choice over a bushinged setup.

The integrated magwell and VZ grips get positive marks for fast reloads and a secure hold under recoil, and the AOS cut makes red dot mounting straightforward on a working 1911. Some note the size and weight of a full-size steel 1911 take getting used to for daily carry.

Because it's a 1911 platform pistol, the Master Class benefits from the wide 1911 aftermarket for grips, sights, and holsters. Buyers generally view the collaboration with 10-8 Performance as adding real value over a standard 1911, though the price sits above entry-level offerings in the category.