The Andro Corp ACI-15 lower receiver (brand part no. LACI15S) is a stripped AR-15 lower from Andro Corp Industries, machined from aluminum and finished in black anodizing for durability. As a multi-caliber-compatible lower, it accepts any standard mil-spec AR-15 upper receiver, giving builders the freedom to configure their rifle around whichever chambering they choose. It is a straightforward, proven foundation for a custom AR-15 build, whether the goal is a duty rifle, a range gun, or a dedicated hunting setup.

Key Specifications

• Compatible with multiple calibers, since it accepts any mil-spec AR-15 upper receiver.
• Machined from aluminum for durability.
• Finished in black anodizing for a low-glare, corrosion-resistant exterior.
• Sold as a stripped lower receiver, ready for a parts kit and upper of your choice.
• Machined to mil-spec dimensions for compatibility with standard AR-15 lower parts kits.

Frequently Asked Questions

Does this lower come with internal parts installed? No, it is a stripped lower receiver and requires a lower parts kit and upper receiver to complete.

What calibers is this lower compatible with? It accepts any standard mil-spec AR-15 upper receiver, so it is compatible with multiple calibers.

Buy the Andro Corp ACI-15 Multi Caliber AR-15 Lower Receiver Black Anodized

Start your next AR-15 build on the Andro Corp ACI-15 Lower Receiver from Schaefer Defense. Browse more lowers and complete builds in our AR-15 lower receivers lineup, then order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.