Guntec USA 5.5" Flash Hider for 10.5" Uppers US MADE Steel
•5.5" LONG •MADE OF HEAT TREATED STEEL •1/2x28 THREADS •MIL SPEC •PERMANENTLY ATTACH (PIN AND WELD OR SILVER SOLDER) TO A 10.5 BARREL TO MAKE LEGAL NON-NFA
•GREAT EXTENSION FOR 10.5 / 11.5 " BARRELS •USA MADE