Lancer Systems Lancer Sig MPX Handguard Carbon Fiber Replacement Handguard, Carbon Fiber Black, LSLCH-MPX-8

"Lancer Sig MPX Handguard Carbon Fiber Replacement Handguard, Carbon Fiber Black, LSLCH-MPX-8. 5 M-lok Carbon Fiber anodized M-Lok for a factory look at a fraction of the cost. These Gun Parts by Lancer Systems are the same factory length and feature cooling slots for a more reliable lockup.