Shop › PROMAG SAIGA 12GA DRUM MAG 20RD BLK PROMAG SAIGA 12GA DRUM MAG 20RD BLK $133.99 ProMag Industries Drum Magazine, 12 Gauge, 20 Rounds, Fits Saiga, For 2-3/4" Shells, Polymer, Black SAI-A6 Quantity: Add To Cart Added! ProMag Industries Drum Magazine, 12 Gauge, 20 Rounds, Fits Saiga, For 2-3/4" Shells, Polymer, Black SAI-A6