Shop › MIDWEST M-LOK 5 SLOT RAIL SECTION MIDWEST M-LOK 5 SLOT RAIL SECTION $18.95 Midwest Industries M-LOK 1913 Milspec Rail Section, 5 Slot, M-LOK compatible, Black MI-5MR Quantity: Add To Cart Added! Midwest Industries M-LOK 1913 Milspec Rail Section, 5 Slot, M-LOK compatible, Black MI-5MR