The SAR USA K2 Compact is a .45 ACP SA/DA pistol with an aluminum frame, black polymer grips, and a 3-dot adjustable sight system. Barrel is 4.7 inches; overall length 8.3 inches; height 5.7 inches; width 1.3 inches; weight 38 oz. The 14+1 capacity is high for a .45 ACP compact. 
 

Key Specifications 

• Brand: SAR USA 
• Model Name: K2 Compact 
• Caliber: .45 ACP 
• Capacity: 14+1 rounds 
• Barrel Length: 4.7 inches 
• Weight: 38 oz (approx. 2.37 lbs) 
• Frame Material: Aluminum with Black Finish 
• Grips: Black Polymer 
• Action Type: Single Action / Double Action 
• Safety Type: Manual Thumb Safety 
• Sight Configuration: 3-Dot Adjustable 
• Overall Length: 8.3 inches 
• Height: 5.7 inches 
• Width: 1.3 inches 
   

Features 

The aluminum frame keeps weight reasonable for a .45 ACP pistol with a 14-round magazine. SA/DA action gives the first shot a longer DA pull with a shorter SA pull for follow-ups. Manual thumb safety adds an extra mechanical block. Adjustable three-dot sights can be zeroed to individual preference.

Owners of the SAR K2 Compact .45 ACP generally appreciate its ergonomic grip, noted as comfortable for extended range sessions, and cite solid reliability across different ammunition types. The 14+1 capacity in a .45 ACP compact is frequently called out as a real advantage for both carry and home defense use. Value for money is a consistent theme, with most buyers feeling the price is reasonable for what they get. Common criticisms: the pistol is heavier than typical compacts, which some find uncomfortable for all-day carry. Trigger feel divides opinion, with some satisfied and others wanting a lighter, shorter reset. Finish durability on used examples and limited aftermarket holster/accessory availability are also noted drawbacks.