The SI Anti-rotation/Anti-walk pin kit adds an extra degree of security to prevent your pins from walking out under fire or harsh use. Toolless
Dirty Bird AR-15 Anti-Walk Pin Set - Black
BOGO - Strike Industries SI-AR-AWP AR Anti-Walk Pins - $12.95 (Free S/H over $49)
Strike Industries Multi-Function End Plate w/ Anti-Rotation Castle Nut - Blac - Dirty Bird Industries
Dirty Bird AR-15 Anti-Walk Pin Set - Black
Strike Industries AR 15 Anti-Walk Pins
Dirty Bird AR-15 Anti-Walk Pin Set - Black
Strike Industries AR 15 Anti-Walk Pins
Dirty Bird AR-15 Anti-Walk Pin Set - Black
AR-STONER Anti-Rotation Hammer Trigger Pin Set AR-15
Dirty Bird AR-15 Anti-Walk Pin Set - Black
Strike Industries Anti-walk/Anti-rotation Trigger/Hammer Pins
Stainless Anti Walk Pins, AR 15 Parts
Dirty Bird AR-15 Anti-Walk Pin Set - Stainless Steel - Dirty Bird Industries