Sig Sauer KITTRDCOMP Tread Compensator Black Steel with 1/2" 28 tpi Threads for 5.56x45mm NATO M400 Tread
https://www.tandktactical.com/shop/798681598830-sig-sauer-kittrdcomp-tread-compensator-black-steel-with-1-2-28-tpi-threads-for-5-56x45mm-nato-m400-tread-17638
https://www.tandktactical.com/web/image/product.template/17638/image_1920?unique=a3910ca
This item is a 3-chamber compensator designed specifically for the M400 TREAD.
