Upgrade your 10/22 trigger system with the KIDD auto bolt Release, a precision engineered component designed to enhance your shooting experience. This innovative replacement for the factory bolt hold-open (part #B-41) simplifies the process of releasing the bolt. With the KIDD auto bolt Release, you can effortlessly pull back on the bolt handle to release the bolt from its locked position, eliminating the need to manipulate the standard bolt hold-open mechanism. This upgrade is perfect for those looking to streamline their shooting process and improve efficiency. While all KIDD complete trigger units come equipped with this feature, the KIDD auto bolt Release is also available as a standalone upgrade for your existing factory trigger, ensuring a smoother and more intuitive operation. Experience the convenience and reliability of KIDD's superior craftsmanship with this essential enhancement for your firearm. Enhance the functionality of your 10/22 bolt hold open (B-41) by converting it to an automatic bolt release Pull the bolt to rack it Installation does not require a gunsmith Fabricated from laser-cut stainless steel