MAG SIG 556 10RD METAL BLK Description
Standard AR-15 style. Black metal magazine for the R556 & P556 models as well as the M400, R516 and other standard AR-15s. 10 round capacity. Actual magazine may differ slightly from the image pictured.
Gun Model P556, SIG516, SIG556, SIG556xi, SIGM400
Caliber 5.56 NATO/300BLK