The standard C-Products Defense 5/10-round magazine. C-Products magazines have locking tabs to help with alignment before welding and go through a rigorous inspection regime before being released to the market. Stainless steel magazines are great for re-loaders as the wall thickness is minimal allowing slightly increased cartridge lengths. Features: 5-round capacity of 350 LEGEND cartridges Made by C Products in the good ole USA Among the most reliable magazines available Stainless steel Black oxide finish Removable floor plate Anti tilt follower Chrome silicon spring for years of serviceYou get: (1) 10-round Magazine pinned to 5 rounds Compatible with: 350 Legend ammoTools required: NoneInstallation Tips: