These are a cheap and easy way to mark your recievier for the AUTO possition. They are durable outdoor rated lables. I will give you two full sets for $5.Each set will do both sides of the rec. Just send check with self addresed stamped envelope. These will fit Colt lowers with out the selector stops with out cutting (just peel and stick). Lowers with selector stops will need trimmed. Cpic. Also included is (2)M16A2 and (2) M4A1 lables. Email for address.The great thing about these are they are easy to remove from valuable RR. thanks!