Build your next AR-15 with confidence using the Andro Corp ACI-15 Partial Complete M4 Lower Receiver. This precision-engineered component delivers a solid foundation for custom rifle or pistol projects, combining American-made quality with mil-spec reliability to streamline your build process.
Key Features
- 7075 Forged Aluminum Construction – Crafted from durable 7075-T6 alloy for exceptional strength and lightweight performance that withstands rigorous use.
- Pre-Assembled Mil-Spec Components – Includes a complete lower parts kit with trigger guard, A2 pistol grip, and 5-position buffer tube assembly, saving time while allowing full customization of stock or brace options.
- Right-Handed, Non-Ambi Design – Optimized for standard right-hand use with seamless compatibility across all standard AR-15 uppers and accessories.
Benefits for Your Build
This partial complete lower eliminates common assembly headaches by providing essential components already installed, allowing you to focus on selecting the perfect upper, stock, and optics. Its multi-caliber compatibility and Type III hard coat anodized black finish ensure long-lasting durability and corrosion resistance in any environment.
Specifications
- Platform: AR-15 / M4
- Material: 7075 Forged Alloy Aluminum
- Color: Black
- Trigger Guard: Included
- Stock: Not Included
- Handedness: Right
- Ambi Controls: No
- Weight: 32 oz
- Dimensions: 16″ L x 9″ W x 2.5″ H
Why Choose the ACI-15 Partial Lower?
Ideal for builders seeking a balance of convenience and flexibility, this receiver arrives serialized and ready for FFL transfer. Whether you’re assembling a competition rifle, home defense setup, or tactical platform, the ACI-15 provides the reliable base every serious shooter demands.
Start your build today with a lower receiver engineered for precision and performance.



