Brownells - Brownells AR/M16 Factory Parts Kits
This video details Brownells AR-15/M16 Factory Parts Kits, designed to provide all necessary small components for assembling a complete upper receiver. It highlights how these kits simplify custom builds by including hard-to-find pins and springs, and offers guidance on selecting kits based on handguard style and gas system length. The content also touches on compatibility between different manufacturers' parts and the origin of specific kits like Colt and DPMS.












