Designed specifically for the .223 and 5.56 mm caliber cartridge the Eclipse Flash Hider uses a slightly twisted triple prong design to reduce flash to near zero in even total darkness conditions. The device is threaded 1/2 x 28 tpi and will clear any projectile up to .223 caliber and 5.56 mm. Do not use with larger calibers. The Eclipse Flash Hider is marked "MA" and "223" and a crush washer is included.
Material: 8620 steel with Rockwell 50C heat treat
Finish: black oxide
Weight: 3.6 ounces
Length: 2.25 inches
100% designed and manufactured in the USA