If you're looking for one of the lightest, shortest and cleanest trigger pulls for your Ruger 10/22, then the Powder River Precision Drop-In Trigger Assembly is the perfect component for your improvement project. Each Powder River Precision Drop-In Trigger Assembly is a true, drop-in component, requiring no extra work, fitting or assembly. This makes it an easy upgrade for rifle owners, giving them the ability to make their 10/22's trigger pull better than ever. The critical components in the trigger assembly, namely the hammer, sear and disconnector, are all Wire-EDM machined from hardened steel, and all the other components are machined from durable stainless steel. To Mfg: Powder River Precision Inc