The Great Lakes AR-15 Lower Receiver Group (MPN GL15 BLK-C) is a complete lower receiver assembly, not a full rifle, marked for .223 Rem/5.56 NATO and finished in black. Great Lakes builds this lower group with a six-position adjustable stock, letting buyers pair it with the upper receiver of their choice to complete a build. Among AR-pattern rifles in the AR rifles category, this lower group favors builders who already have an upper receiver and want a complete, ready-to-assemble lower.

Key Specifications

• Marked for .223 Rem/5.56 NATO.
• Sold as a complete lower receiver group, not a full rifle.
• Includes a six-position adjustable stock.
• Finished in black.
• Measures approximately 16.6 inches from receiver to stock.

Frequently Asked Questions

Does this include an upper receiver? No, this is a complete lower receiver group only — pair it with the upper of your choice to complete a build.

Does the stock adjust? Yes, it’s a six-position adjustable stock.

Buy the Great Lakes AR-15 Lower Receiver Group

A complete, ready-to-assemble lower for builders who already have an upper receiver is exactly what this Great Lakes lower group delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.