The Heckler & Koch MR762 A4 is an AR-pattern semi-automatic rifle chambered in .308 Win with a 16.5-inch threaded barrel. It has a 10-round capacity, an M-Lok handguard, and ships in black. 
 

Key Specifications 

• Brand: Heckler & Koch 
• Model: MR762 A4 
• Caliber: .308 Win 
• Action: Semi Auto 
• Capacity: 10 rounds 
• Barrel Length: 16.5 in 
• Color/Finish: Black 
   

Detailed Features 

• Threaded 16.5-inch barrel 
• M-Lok handguard 
• 10-round magazine included 
• Black finish throughout

Owners of the MR762 A4 cite build quality as its defining characteristic. The .308 Win platform handles sustained use without significant wear reports, and the M-Lok handguard earns consistent praise for its practicality and flexibility in adding accessories.

Handling feedback is more varied. The rifle weighs more than most AR-pattern platforms in other calibers, and shooters who need to carry it for extended periods notice the difference. The 10-round capacity draws occasional complaints from those who prefer higher-capacity options.

Value is the sharpest debate. Those who prioritize the Heckler & Koch manufacturing reputation and tight tolerances consider the premium justified. Buyers comparing it to domestic .308 Win semi-automatic options often find similar accuracy profiles available at lower prices, and HK-specific components limit some aftermarket customization paths.