AR-15 Upper Parts

Dirty Bird AR-15 Stripped Upper Receiver Builders know that not all mil-spec forged upper receivers are created equal. Sub-par forgings suffer from pitting and structural defects, poor anodizing can result in a purplish or chalky finish that...

Dirty Bird AR-15 SMRS Handguard - Slim M-LOK Rail System V2 The SMRS (Slim M-LOK Rail System) V2 by Dirty Bird Industries is a high quality and feature packed M-LOK handguard designed for AR-15 platform rifles and pistols. When designing this...

Aero Precision AR-15 MOD 4 M-LOK Handguard The Aero Precision Minimal Optical Deflection (MOD) 4 handguard seamlessly blends robust construction with an ergonomic form factor, ensuring no compromises between the two. Machined from 6061-T6...