The Great Lakes Firearms and Ammunition AR-15 is a semi-automatic rifle chambered in .223 Wylde, which is compatible with both .223 Remington and 5.56 NATO ammunition. Barrel length is 16 inches with a 1:8 twist, made from either 416R stainless steel or 4150 CRMOV with a nitride finish. The receiver is Aluminum 7075, the overall length is 33.25 inches, capacity is 30 rounds, and the finish is Bronze Cerakote. Weight is 6.8 lbs. 
 

Key Specifications 

• Model: AR-15 Rifle 
• Caliber: .223 Wylde (compatible with both .223 REM and 5.56 NATO) 
• Action: Semi-Automatic 
• Barrel Length: 16 inches 
• Capacity: 30 rounds 
• Weight: 6.8 lbs 
• Overall Length: 33.25 inches 
• Finish Color: Bronze 
• Manufacturer: Great Lakes Firearms and Ammunition 
• Condition: New in Box 
   

Features 

The .223 Wylde chamber is cut to tighter tolerances than a standard 5.56 NATO chamber, which improves accuracy with .223 Remington loads while still safely handling 5.56 NATO pressure. The 1:8 twist rate stabilizes a wide range of bullet weights from 55 to 77 grains. 
 
The heavy barrel (HBAR) profile adds mass to reduce barrel whip during rapid fire. The muzzle brake is designed to direct gases forward at a slight angle to reduce muzzle rise without requiring thread locker during installation. A full Picatinny rail handguard provides mounting space for optics, lights, or grips. 7075 aluminum receivers are the standard for quality AR-15 builds.

Great Lakes AR-15 owners generally report a positive experience with the bronze-finished .223 Wylde model. Build quality is described as solid, and the 7075 receivers pass the squeeze test for most buyers who compare it to other rifles in the same price bracket. The bronze Cerakote is a consistent positive — it is genuinely uncommon among AR-15s and most owners are happy with the look.

.223 Wylde versatility comes up as a practical selling point; being able to run both .223 and 5.56 without concern is worth something to buyers who buy ammunition in bulk or train with milsurp.

Negatives include weight — at 6.8 lbs some buyers expected lighter given the carbine-length barrel. Customer service responsiveness has drawn criticism in some cases, and a handful of buyers encountered compatibility issues with specific aftermarket accessories. Trigger feel is average for a factory AR and a common first upgrade target. Overall the rifle is generally considered a good value for the price, particularly for buyers who wanted the bronze finish specifically.