Solid replica of the SIG standard magazine in the 30 round version. Compatible with SIG 550, 551, 552, 553 etc.
Capacity: 30 rounds .223 / 5.56 NATO
Housing: Nylon PA66
Spring: Hardened 17-7 stainless aerospace steel
Note: The magazines have manufacturing-related contamination on the surface, which can be removed with some cleaning-alcohol. See additional pictures.