The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique carrier design with practical improvements in two key areas:  Strategic...

Introducing the Dirty Bird Industries 9mm Bolt Carrier. Made out of 8620 Steel, and designed to work with Colt and Glock style magazines, this BCG ...

The Dirty Bird Industries M16A1 20" 5.56 Retro Upper Assembly is the next iteration in the line of DBI's popular Complete Uppers. Dirty Bird Indust...

For shooters seeking a combination of value, reliability and precision, the Dirty Bird 2-Stage Trigger Group checks all the boxes.  This trigger as...

This Dirty Bird Industries 9mm Complete Upper features a Side-Charging PCC (Pistol Caliber Carbine) upper receiver with a Last Round Bolt Hold Open...

The DB9 Billet Lower Receiver is an ideal choice for starting your pistol caliber (9mm, 40 S&W, .357 Sig) AR build. Precision machined from a ...

The Dirty Bird Industries AR-15 Forged Multi-Cal Lower Receiver is a great starting point for your next build.  Quality Materials, Durable Finish ...

The Dirty Bird Industries M16A1 20" 5.56 Retro Upper Assembly is the next iteration in the line of DBI's popular Complete Uppers. Dirty Bird Indust...