Ergo 4-Slot M-LOK WedgeLok American Flag Rail Cover 4PK Black 4332-4PK-FLAG-BK - 4332-4PK-(FLAG)-BK

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