Built for Performance, Engineered for Reliability
The Dirty Bird Type-9A Fully Ambidextrous Lower Receiver delivers uncompromising pistol caliber carbine performance in the AR platform. After more than 6 years of proven field testing and refinement, this Glock magazine-compatible lower has become the go-to choice for competitive PCC shooters and serious enthusiasts who demand excellence.
Patented Innovation You Can Count On
At the heart of the Type-9A lies our patented bolt hold-open mechanism – a robust design that eliminates the bent sheet metal failures common in other manufacturers’ offerings. This innovative engineering provides reliable and durable last round bolt hold open functionality that competitive shooters trust when every round counts.
True Ambidextrous Control
Fully ambidextrous from the ground up, the Type-9A features ambidextrous safety selector, bolt catch, and magazine release controls. Whether you’re running drills, competing, or training, these intuitive controls ensure smooth operation for both left and right-handed shooters without compromise.
Premium Machined Construction
The Type-9A’s premium 3D machined extra-wide magwell isn’t just about looks – it’s engineered for lightning-fast magazine changes under pressure. Every surface, every angle, every detail has been optimized for performance when speed matters most.
Features
- Fully Ambidextrous Controls – Safety selector, bolt catch, and magazine release
- Patented Bolt Hold-Open Mechanism – Reliable design eliminates bent sheet metal failures
- Premium 3D Machined Magwell – Extra-wide opening for rapid magazine changes
- Glock Magazine Compatible – Accepts 9mm Glock style magazines
- Steel Ejector – Pre-installed for enhanced durability
- Aircraft Grade Construction – Machined from 7075-T6 aluminum
- Mil-Spec Type III Hard Anodizing – Maximum corrosion and wear resistance
- Comes Fully Assembled – Ready to complete your build
Technical Specifications
- Caliber: 9MM
- Material: 7075-T6 Aircraft Grade Aluminum
- Finish: Mil-Spec Type III Hard Anodizing – Black
- Length: 8 inches
- Weight: 1 lb
- Magazine Compatibility: 9mm Glock Style Magazines
- Bolt Hold Open: Best Last Round Bolt Hold Open Available
The Dirty Bird Guarantee
Every Type-9A lower receiver is backed by our Lifetime Warranty. This feature-rich, premium-quality lower receiver represents the perfect starting point for your unique pistol caliber carbine build.
Magazine not included.
Dirty Bird Industries — Premium AR-15 and AR-10 Components, Built to Last.
Designed for builders who demand uncompromising quality, reliable performance, and accessible pricing without the premium markups common from larger brands.
Founded by Builders, Built to Last
Founded in 2015 by brothers Jay and Dustin Pitcher in a Bakersfield, California garage, Dirty Bird Industries started as a family-owned operation specializing in custom Cerakote finishes and high-quality AR parts. Building on experience from its sister site, AR15Discounts.com, Dirty Bird Industries has grown into a nationwide company with a dedicated team focused on American-made gear that shooters trust.
American-Made Quality and Precision
Through strategic partnerships with leading domestic manufacturers, Dirty Bird Industries sources and develops components using advanced CNC machining, rigorous testing, and mil-spec standards. By managing larger volumes, the company delivers proven, high-end materials and precision engineering at fair prices that meet the high standards set for its own builds.
Proven Components for Serious Builds
Standout offerings include precision-forged 7075-T6 upper and lower receivers, enhanced black nitride bolt carrier groups, single-stage nickel Teflon triggers, free-float M-LOK handguards, complete upper assemblies, and comprehensive lower parts kits. These products create a cohesive selection for everything from custom builds to high-performance rifles nationwide, supported by batch inspections, mil-spec compliance, and ongoing innovations.
Zero Risk Guarantee Program
For total confidence, Dirty Bird Industries backs eligible parts and accessories with its Zero Risk Guarantee Program. This includes free shipping on orders over $50, package protection up to $5,000, lifetime free returns with full refunds within 45 days or store credit after, and expert support. As passionate shooters, the team at Dirty Bird Industries stands behind every product because the company builds, tests, and uses them too, providing authentic value and dependable gear.





