The Great Lakes Firearms and Ammunition AR-10 is a direct-impingement semi-automatic rifle chambered in .308 Winchester. It has an 18-inch barrel, aluminum upper and lower receivers, a bronze Cerakote finish, and ships with a 10-round magazine. Weight is 8.6 lbs. 
 

Key Specifications 

• UPC: 638457791570 
• Action: Direct Impingement 
• Barrel Length: 18 inches 
• Caliber: .308 WIN 
• Capacity: 10 rounds 
• Finish: Bronze Cerakote 
• Frame Material: Aluminum 
• Receiver Material: Aluminum 
• Weight: 8.6 lbs 
   

Features 

The direct-impingement gas system keeps the reciprocating mass down, which contributes to the manageable recoil for a .308 platform. The barrel is threaded, so adding a suppressor or muzzle device is straightforward. The upper is optic-ready with no iron sights included, so a scope or red dot is essentially required out of the box. 
 
The bronze Cerakote is more distinctive than most AR finishes and should hold up well to normal wear and weather. 
 

Use Cases 

The .308 WIN chambering and 18-inch barrel make this a capable hunting rifle for medium to large game. It also works on the range for precision shooting at moderate distances. The 10-round capacity is appropriate for hunting in states with magazine restrictions but may feel limiting for competition or training use.

Owners of the Great Lakes AR-10 in .308 generally like the build quality — the receivers feel solid and the bronze Cerakote finish gets consistent positive comments. The 18-inch barrel is seen as a practical choice, offering a balance between velocity and handling compared to longer 20-inch configurations.

Accuracy reports are generally positive, with users finding it runs reliably across common .308 loads. Ergonomics are in line with standard AR-10 platforms, and most users don't report significant complaints there.

The 10-round magazine capacity is the most discussed limitation. For hunters it's a non-issue, but people using it for competition or training drills would prefer higher-capacity options. Pricing draws mixed reactions — some feel it's fair for the finish quality and build, others put it in an unfavorable comparison against competing AR-10s at similar price points.

Customer service experiences come up occasionally in reviews; those who've needed warranty support report varying results, which is worth noting if that matters to you.