Samson Manufacturing Corp. B-TM Sight Package for Ruger 10/22, Black 04-04082-01 If you have a Samson B-TM stock for your Ruger 10/22 rifle and prefer a higher sight picture for a more comfortable cheek weld" these Samson B-TM Sights are a must-have. Compared to the 0.7" height over bore measurement from a 10/22 rifle with factory iron sights" these elevated sights have a height over bore of 1.25" that allow for a more comfortable and natural cheek weld.