SIG Sauer M400 Barrel Nut for Tread Handguard
This the factory SIG Sauer M400 replacement barrel nut. A quality part from SIG Sauer for your M400 Tread handguard. Fits most M400 style SIG Tread handguard (please verify this is correct for your application before ordering).
Includes: 1 SIG Sauer M400 barrel nut. Requires specific barrel nut wrench (not included). See our AB Prototype M400 barrel nut wrench HERE.
PLEASE NOTE: THIS BARREL NUT REQUIRES A SPECIFIC WRENCH AND WILL NOT WORK WITH TYPICAL AR-15 WRENCHES.
Handguard or parts are NOT INCLUDED. TOOLS CANNOT BE RETURNED.
See our quality tools: HERE
