RIFLE: LRB ARMS MODEL US RIFLE M15SA, SERIAL NUMBER 015637, BLACK (MATTE), CASE NOT INCLUDED, SEMI - AUTOMATIC, 223 REMINGTON, 16 Notes: he LRB Arms M15SA is a high-quality semi-automatic rifle built with an emphasis on durability, reliability, and precision. LRB Arms is known for producing well-crafted firearms, and the M15SA offers a solid platform suitable for recreational shooting, range use, and collectors. Its robust construction and classic design make it an appealing option for those looking for a well-built semi-automatic rifle from a respected manufacturer.