Bushmaster Complete Lower Receiver – .223 Rem / 5.56×45 NATO | Black Anodized | A2 Grip & Stock | 30‑Round

Get your AR‑15 build up and running fast with the Bushmaster Complete Lower Receiver, chambered for .223 Remington / 5.56×45 NATO. This drop‑in lower comes fully assembled with a 30‑round magazine, classic A2 pistol grip, and fixed A2 stock—all finished in durable black hardcoat anodizing for corrosion resistance and long‑term wear. Crafted to mil‑spec standards from 7075‑T6 forged aluminum, the Bushmaster lower delivers rock‑solid strength and seamless compatibility with any AR‑15 upper receiver.

Ideal for range shooting, duty use, or a home‑defense platform, this complete lower is your quickest path to a reliable, ready‑to‑shoot AR‑15.

Bushmaster Complete AR-15 Lower Receiver – .223 Rem / 5.56 NATO | Mil-Spec Ready

The Bushmaster Complete AR-15 Lower Receiver is a rugged, ready-to-run foundation for your next rifle build. Chambered in .223 Rem / 5.56×45 NATO, this Mil-Spec complete lower is assembled with high-quality components, including a 6-position collapsible stock and standard lower parts kit. Compatible with any AR-15 upper, it’s the perfect solution for fast, reliable assembly.

Key Features for Bushmaster Complete Lower Receiver – .223 Rem / 5.56×45 NATO:

• Caliber: .223 Rem / 5.56 NATO

• 7075-T6 billet aluminum construction

• Black hardcoat anodized finish for durability

• Fully ambidextrous bolt catch and magazine release

• Mil-Spec compatible with AR-15 upper receivers

• Flared magwell & enlarged trigger guard

Perfect for: Custom tactical builds, ambidextrous shooters, and precision AR platforms.

Also Available:

AR-15 Lower Receivers