Shop › LANCER SIG MPX CARBON FIBER HANDGRD LANCER SIG MPX CARBON FIBER HANDGRD $251.69 Lancer Systems Handguard, Replacement Handguard, Sig MPX, Carbon Fiber Black LCH-MPX-8 Quantity: Add To Cart Added! Lancer Systems Handguard, Replacement Handguard, Sig MPX, Carbon Fiber Black LCH-MPX-8