AR-.223 1/2-28 Closed-End (.375 exit) Barrel Extender w/3X4 Holes-A1

A-1 Barrel Extender;

1 3/4" STANDARD LENGTH;

For .223 1/2-28 TPI;

STATES LEGAL smaller diameter .375 exit hole;

4 alternating rows of 3 and 4 holes around part in A-1 style.

Black-oxide finish.