* Material: 400 Series Stainless Steel
* Finish: Heat Treated FDE - Matte Non-Reflective - This is not a coating
* Caliber: 22 LR / .223 / 5.56
* Thread: 1/2-28 RH
* Includes: Crush Washer
* Size - Ø1.0" x 1-5/8" long, 13/16" wrench flats
* Weight - 4 oz