Best AR-15 Bullet Button: AR MagLock+Patriot Pin 2.0 [Review & Install] - Pew Pew Tactical
Patriot Pin - Get Compliant, Get Faster
The Patriot Pin for California -The Firearm Blog
Jade Shooting - The Patriot Pin + AR Maglock combo is a solution designed for fixed magazine rifles in California.. The Patriot Pin let's you disassemble your receivers (per CA law regarding
AR-15 - Advanced Takedown System 2.0 by Patriot-Pin