This aluminum barrel extension is machined to an M4 profile, and threaded -14mm, or 14mm counterclockwise. This extension will fit most airsoft guns, including KWA LM4, most AEGs, and 3rd Gen WE M4 GBBs.
The M4 Outer Barrel Extension is ideal for converting a CQB M4 to a standard carbine. The barrel extension can also be used on other airsoft guns. Marked 'C MP 5.56 NATO 1/7'.
M4 Aluminum Outer Barrel Extension Features:
-14mm Counter Clockwise Threads
-Fits Most Airsoft Guns
-Convert M4 CQB to M4A1