Buy Sell Consign

Sig Sauer SIG551 for Sale

Founded: 1976

HQ: Switzerland and Germany

The Sig Sauer SIG551 is a gas-operated long-stroke piston rifle with a rotating bolt, featuring a compact 14.3-inch carbine barrel and chambered in 5.56×45mm NATO. Its hallmark is the shortened gas system matched to the 14.3-inch barrel for compact handling.

No active auctions for Sig Sauer SIG551.

Recently Sold

Sig Sauer SIG551-A1 Classic 5.56 NATO 551 ROTARY DIOPTER SIGHTS

Sold On 07/22/2026

Sig Sauer SIG551-A1 Classic 5.56 NATO 551 ROTARY DIOPTER SIGHTS

Sig Sauer SIG551-A1 551 551A1 55X-series FOLDER

Sig Sauer SIG551-A1 Classic 5.56 NATO 16" +3 MAGS

Sold On 02/16/2026

Sig Sauer SIG551-A1 Classic 5.56 NATO 16" +3 MAGS

Sig Sauer SIG551A1 556 AK47 AK-47 Mags 551-A1

Sig Sauer SIG551A1 5.56 NATO 16" Swiss Gray 551A1 551-A1 +6 MAGS & OG CASE

Sold On 12/29/2025

Sig Sauer SIG551A1 5.56 NATO 16" Swiss Gray 551A1 551-A1 +6 MAGS & OG CASE

Sig Sauer SIG551A1 551A1 551-A1 556 Folding Stock

Sig Sauer SIG 551A1 5.56 NATO Two-Tone Sig-Sauer SIG-551A1 SIG-551 +3 MAGS

Sold On 03/07/2025

Sig Sauer SIG 551A1 5.56 NATO Two-Tone Sig-Sauer SIG-551A1 SIG-551 +3 MAGS

Sig Sauer SIG 551A1 SIG-551