This is a Samson Manufacturing Corp. Sling Mount known as the QD Sling Point, model ML-QD-KIT.
Samson's M-LOK QD Sling Point is compatible with all standard size QD sling swivels. The Samson M-LOK QD Sling Point is designed to M-LOK spec and will attach to any M-LOK attachment point. It features a limited rotation feature that only allows the sling swivel to rotate 90 degrees. The simple and small design reduces the amount of space needed to attach your sling to your handguard. The ML-QD include all necessary hardware for mounting to M-LOK slots and are a great addition to any M-LOK version of Samson handguard.
Features:
Type III Mil-spec hard coat anodizing
6061 T6 aluminum
