Shop › MIDWEST G4M M-LOK 10.5" HNDGRD BLK MIDWEST G4M M-LOK 10.5" HNDGRD BLK $176.95 Midwest Industries Gen 4 M-Series Handguard, M-LOK, Fits AR-15 Rifles, 10.5", Black MI-G4M10.5 Quantity: Add To Cart Added! Midwest Industries Gen 4 M-Series Handguard, M-LOK, Fits AR-15 Rifles, 10.5", Black MI-G4M10.5