Sig Sauer HEXIUM556 Inconel

Factory-new SIG Sauer HEXIUM556 Inconel, in stock at Redacted Tactical Supply. Built for 5.56mm (.223).

NFA Item. Requires ATF Form 4 transfer through Redacted Tactical Supply or your local SOT dealer. The federal transfer tax for suppressors is $0 as of January 1, 2026; all registration, fingerprint, photograph, and NICS requirements still apply. See our NFA Process page for the full procedure.

Questions on configuration, mounts, or availability? Call (970) 463-2486 — FFL Type 07 / SOT Class 02, Arvada, Colorado.