CMC Triggers Anti-Walk Pin Set Features This anti-walk pin set is designed for use with S&W M&P 15-22 rifles and other AR-15 polymer or composite lowers. The self-contained design ensures the pins remain securely in place preventing lateral movement that can cause trigger inconsistency or component wear. It is especially beneficial for lightweight receivers where standard pins may shift during use. Manufactured from steel for strength and longevity the pins are sized for small pin receivers to ensure proper fit and reliable function. Installation is straightforward and does not require specialized tools making it an easy upgrade for maintaining trigger reliability in polymer lower platforms. CMC Triggers Anti-Walk Pin Set Specifications Manufacturer: CMC Triggers Model: Anti-Walk Pin Set Type: Trigger Pins Material: Steel Pin Size: Small Receiver Compatibility: S&W M&P 15-22 AR-15 polymer and composite lowers Installation: Easy install self-contained design