When it comes time to feed your favorite SIG Sauer Firearm nothing feeds like the ones direct from the manufacturer. SIG Sauer magazines are excellent in design and function and will keep your SIG Sauer properly fed. Nothing feeds a SIG Sauer Firearm better than a SIG Sauer Magazine.
SIG Sauer R556, P556, M400, R516, Other Standard AR-15's
5.56 NATO caliber (accepts .223 Remington)