Some pins just don’t fit very well, they wobble, fall out, or worse. AR-Stoner has the solution, the Anti-Rotation Hammer and Trigger Pin Set.
AR-15 Anti Walk/Rotation Trigger/Hammer Pin kit (LP-1018722)
Titanium AR Anti-Walk Hammer & Trigger Pin Set
Why wont this pin go back into place? : r/ar15
Hammer & Trigger Anti-Rotation Walk Pins - ACME Machine
Rise Armament Anti-Walk Hammer, Trigger Pins AR-15
Should have listened to everyone here. Drop in cassette triggers is not where it's at. Switched to Geissele's. : r/ar15
Anti-walk pins
Why wont this pin go back into place? : r/ar15
Hammer & Trigger Anti-Rotation Walk Pins - ACME Machine
Rise Armament Anti-Walk Hammer, Trigger Pins AR-15
Titanium AR Anti-Walk Hammer & Trigger Pin Set
AR-15 Trigger Options, Drop-In Triggers
AR-15 Trigger Options, Drop-In Triggers