Stern Defense MOD4 8″ Aircraft Grade Aluminum Anodized AR-15 Lower Receiver

The Stern Defense MOD4 8″ Anodized Lower Receiver (Model 002SDHG8) is a precision-machined component built for AR-15 builders and firearms enthusiasts who refuse to compromise on quality. Constructed from aircraft-grade aluminum and finished with a hard-coat anodize, this receiver delivers an outstanding strength-to-weight ratio alongside exceptional corrosion and wear resistance — whether you’re building a range pistol or a dedicated competition setup.

Engineered specifically for the MOD4 platform, this lower receiver is designed for compatibility with Stern Defense pistol caliber conversion systems, making it a purpose-built foundation for 9mm and other pistol caliber AR builds. Tight machining tolerances ensure reliable fitment with MOD4 upper components and consistent performance over the long haul.

**Key Features:**
– Aircraft-grade aluminum construction for superior strength and reduced weight
– Hard-coat anodized finish for long-lasting corrosion and wear resistance
– 8″ MOD4 configuration compatible with Stern Defense pistol caliber conversion systems
– Precision machined to tight tolerances for consistent, reliable fitment
– Professional matte finish with a clean, uniform appearance

At Deep Roots Rifle Co, we stock hard-to-find build components like the Stern Defense MOD4 because serious builders deserve access to quality parts without the search. Order online at deeprootsrifleco.com for fast shipping nationwide, or visit our gun store in Eustis, Florida, where our knowledgeable staff can help you source everything your custom build demands.