Shop › MAGPUL M-LOK RAIL COVER TYPE 1 GRY MAGPUL M-LOK RAIL COVER TYPE 1 GRY $16.10 Magpul Industries M-LOK Rail Cover Type 1, Fits M-LOK Compatible Systems, 9.5" Length Covers 6 M-LOK Slots, Can Be Cut, Gray MAG602-GRY Quantity: Add To Cart Added! Magpul Industries M-LOK Rail Cover Type 1, Fits M-LOK Compatible Systems, 9.5" Length Covers 6 M-LOK Slots, Can Be Cut, Gray MAG602-GRY