The KNS Precision .154'' Gen. 2 Mod. 2 Non-rotating Pin Set is an essential upgrade for your AR-15 offering enhanced durability and reliability. Designed to prevent the common issue of pin rotation this set ensures that your rifle maintains optimal performance even under the most demanding conditions. Crafted from high-quality materials the precision-engineered pins provide a secure fit reducing wear and tear on your firearm. Easy to install this non-rotating pin set is a must-have for any AR-15 enthusiast looking to improve the longevity and functionality of their weapon.