Ergo 4-Slot M-LOK WedgeLok American Flag Rail Cover 4PK Dark Earth

Ergo 4-Slot M-LOK WedgeLok American Flag Rail Cover 4PK Dark Earth Rail covers fill in M-LOK slots to add additional grip. Comes in a handy 4-pack. Chemical and heat resistant with a positive, non-slip, aggressive texture. Very low profile. Features 6 1/4" long and 5/8" wide Covers 4 M-LOK slots Low Profile and can be cut to fit fewer slots Patent Numbers US 9,599,423 B2 and US 9,441,905 B2