Saiga lower handguard retainer

Both sold These were available some time ago but I haven't seen them around for quite a while. They require you to file a groove in your barrel and were very tight and secure in my experience. These two were mounted, one used for test fire of about 20rnds. The other was not fired. Both in excellent condition. Since they are not available any longer I'm going to start them out at $45 shipped each. I can email better pics if needed.
ThanksAttachment 59830