Keymod Rail System Patches (Round) - Padded rear rest cover

- Padded rear rest cover

there is little similarity to a more familiar day telescopic sight

- MST matching sonar technology ensures maximum sonar performance and long life by balancing the transmitter and receiver to the transducer crystal

- 150 Numbered Key Hooks

- Minimum Focus: 18

Keymod Rail System Patches (Round) - Padded rear rest coverErgo Modular KeyMod Rail System Features: 6061 T6 Construction, Type III Class 2 Black Hard Coat Anodized CNC machined lightweight one piece free float design Aluminum barrel nut allows mounting of up to 1" diameter barrels KeyMod design to accept Ergo and all other KeyMod Accessories Accepts Ergo WedgeLok Slot Covers Full length, scalloped Mil Spec 1913 Picatinny top rail 1. 8" inside diameter to accept most suppressors Integral anti rotation tabs