Flash Hider / Birdcage for 9mm MACs with 1/2 x 28 TPI barrel.

Description

This flash hider comes with a crush washer so that you can accurately position the flutes to the top of the barrel.  Manufacturer’s description:  Standard A2 flash hider with 1/2-28 threads.  Machined from 4140 steel.  Black oxide finish.

Note:  Upper receiver is not included.