A-TEC AR 40-3
AR40-3 weighs only 355 grams with a diameter of 39 mm and is the typical choice for 5.56 NATO calibre.
The A-TEC AR product is amodular silencer strong enough to handle long strings of shots, typical for semi-automatic firearms.
This is an all steel construction designed for hard use in tough environments and it has a price point that makes it affordable to replace.
(Decibel numbers refers to calibre 5.56 NATO)