The KAC M4QD Flash Hider is an effective flash suppressor that also serves as a platform for attaching a Knight's Armament quick detach QDSS-NT4 sound suppressor. Comes complete with a 7-piece shim kit.
Features :
Features :
- Steel construction
- 1/2X28 thread pitch
- Compatible with KAC 5.56 QDSS-NT4