This is an Armscor factory replacement part. Factory replacement parts are manufactured to the same exacting standards as the original parts to ensure fit and perfect functionality. These parts are useful for replacing worn or broken parts, bringing an older firearm back into original factory specifications. **Proper gunsmith fitting required for accurate fit & safe function. PLEASE NOTE: If you purchase this item by mistake and would like to return it, We will do so gladly but will charge you a 25% restocking fee. You will also have to pay shipping back to us. Thank you and we hope this ends some of the confusion.