On March 2, 2017, SIG filed a patent with the United States Patent and Trademark Office for an “Integral Eccentric Firearm Silencer.” That patent was approved on July 24, 2018.
Gun Review: The Sig Sauer M400 Elite 5.56mm NATO Rifle
The patent describes the Integral Eccentric Firearm Silencer thusly:
An eccentric firearm silencer includes an an elongate body having a projectile entry end, a projectile exit end opposite the projectile entry end, a bore extending through the projectile entry end and the projectile exit end for conducting a projectile therethrough, and a longitudinal axis passing through the bore.
The elongate body is configured …Read the Rest
Source:: Tactical Life