SP5 A3 "F" Stock (3 Pos)
This is the latest iteration of the MP5 stock, French (F) upgrade. This will fit the SP5/SP5 and other MP5 variants. German HK factory A3 "F" retractable stock with 3 positions. Designed to absorb the heavier +P & +P+ rounds as well as all other 9mm ammo types. When Fully Extended stock measures 10.5″ in length.