Precision machined from 4140 ordnance grade steel with black magnetite protective finish. Made in USA.

Outside Diameter = .850" Overall Length = 1.750" for both the 5/8 x 24 and 1/2 x 28

Weight of 1/2 x 28 = 2.6oz

Weight of 5/8 x 24 = 2.0oz

Photos taken with a 16" 5.56 barrel using 55 gr FMJBT XM193 - Federal American Eagle ammo and a 7.5" barrel using .300 AAC Blackout 123 Grain FMJ (supersonic) - Magtech First Defense