These anti-rotation pins keep the trigger and hammer pins from rotating in their holes as the gun is fired.
AR-15 Anti Rotation Pins: Includes Allen Key, Hammer and Trigger Pins, Anti Rotation Locking Cam Pins, and Screws. Your #1 choice for reliability, durability, and superiority!
KNS Gen JJ Styled Anti Rotation Pin Gold - FCC
Guntec USA AR-15 Complete Anti-Rotation Trigger/Hammer Pin Set
KNS Precision, Inc. - Brownells UK
AR-STONER Anti-Rotation Hammer Trigger Pin Set AR-15
A&A Anti-Rotation Pin Set - Red
AR-15 Anti-Rotation Pin Set with Color Options
Go or No-go? Cheap anti-rotation pins : r/ar15
AR-15 Complete Anti-Rotation Trigger/Hammer Pin Set (Anodized Black) » Guntec USA
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