Ruger SR-556 Auctions

Founded: 1949

HQ: United States

The Ruger SR-556 is a semi-automatic AR-15 carbine in 5.56×45mm NATO that uses a two-stage short-stroke piston with a four-position adjustable gas regulator. It stands out with a chrome-lined cold hammer-forged 16.12-inch barrel; chrome-plated bolt carrier group, piston, and regulator; a one-piece…

No active auctions for Ruger SR-556.

Recently Sold

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Sold On 04/20/2026

Ruger SR-556 5.56 NATO AR-15 AR15 SR556 +2 Mags, Quad Rail, PISTON DRIVEN

DISCONTINUED SR-556 SR556 AR-15 AR15 Magpul ACS

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Sold On 03/13/2026

Ruger SR-556 Takedown 5.56 NATO / .300 AAC Blackout AR-15 AR15 SR556 4 MAGS

Barrel Change Kit Ruger SR-556 SR556 AR15 AR-15

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Sold On 12/17/2025

PISTON-DRIVEN Ruger SR-556 5.56 NATO AR-15 AR15 16" SR556 Rifle +3 MAGS

Ruger SR-556 SR556 AR-15 AR15 Sporting Defense

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Sold On 11/26/2025

PISTON! Ruger SR-556 SC 5.56 NATO AR-15 AR15 16.12" Sporting Rifle +OG BOX

Ruger SR-556 AR-15 AR15 SR556 Tactical Target

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Sold On 04/11/2025

2009 Ruger SR-556 5.56 NATO 16" Ruger SR-556 SR556 +2 MAGS

Ruger SR-556 SR556 Ruger-SR-556

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Sold On 04/07/2025

Ruger SR-556 5.56 NATO AR-15 AR15 AR 16" Ruger Gas Piston AR TACTICAL

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556 SPORTING

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Sold On 04/04/2025

2009 Ruger SR-556 5.56 NATO AR-15 AR15 AR 16" Ruger Gas Piston AR TACTICAL

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556 SPORTING

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Sold On 03/28/2025

Ruger SR-556 5.56 NATO 20" AR-15 AR15 AR Ruger SR556 SR-556

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556

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Sold On 03/21/2025

Ruger SR-556 5.56 NATO AR-15 AR15 AR 16" Ruger-SR-556 AR-15-AR15 AR +2 MAGS

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556

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Sold On 09/27/2024

DISCONTINUED Ruger SR-556 Takedown 5.56 NATO AR-15 AR15 16" SR-556 SR556

Ruger SR-556 AR-15 AR15 Ruger-SR-556 SR556 +4 MAGS

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Sold On 08/02/2024

Ruger SR-556 Two-Stage Piston AR-15 AR15 AR 16" Ruger-SR556 AR15

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556 SR556

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Sold On 02/18/2024

Ruger SR-556 Take-Down 5.56 NATO AR-15 AR15 AR Ruger-SR-556 +2 MAGS & OPTIC

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556

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Sold On 11/30/2023

Ruger SR-556 Takedown 16" AR-15 AR15 AR SR-556 Ruger +3 MAGS & ORIG CASE

Ruger SR-556 5.56 NATO AR-15 AR15 AR Ruger-SR-556

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Sold On 11/02/2023

2013 Ruger SR-556 5.56-NATO 16" Gas Piston AR-15 AR15 AR SR-556 Ruger SR556

Ruger SR-556 AR-15 AR15 AR Ruger-SR-556 SR556

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Sold On 10/26/2023

Ruger SR-556 Takedown 5.56 NATO 16" AR-15 AR15 Ruger SR556 2016 LIMITED

Ruger SR-556 Ruger-SR-556 SR556 LIMITED

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Sold On Invalid Date

Ruger SR-556 5.56 NATO 16" AR-15 AR15 AR Ruger-SR-556 AR-15-AR15 AR +3 MAGS

GAS PISTON Ruger SR-556 AR-15 AR15 AR Ruger-SR-556