Allen Engineering M4 Recce Collar (AE-CLR-R-M4)
The recce collars were designed for NSWDG recce rifles to mount the M4-Recce suppressor.
M4 Recce: This was designed for the 16.5″ M4 recce barrels. These will work with AE Recce barrels or with Lilja M4 barrels (additional gunsmithing is required for the Lilja barrel).
