The bottom of the frame is marked with a QR square and 'P96454'.
The right side of the frame is marked “READ MANUAL BEFORE USING”. Heritage Rough Rider 22 The left side of the frame is marked “HERITAGE MFG. If a barrel length is changed, then a new serial number and new registration must follow. BATF maintains this information and it cannot be altered. Can I change my Rough Rider barrel to a different size barrel? No, because your Rough Rider was registered to you with a certain barrel length and serial number.