Shop › SAMSON STAR SIG 556 3-HOLE RFL BLK SAMSON STAR SIG 556 3-HOLE RFL BLK $344.49 Samson Manufacturing Corp. Samson Tactical Accessory Rail System, Forearm, Fits Sig 556, 3-Hole, Free Float, Black STAR-SIG-556-3H Quantity: Add To Cart Added! Samson Manufacturing Corp. Samson Tactical Accessory Rail System, Forearm, Fits Sig 556, 3-Hole, Free Float, Black STAR-SIG-556-3H