OA Defense 2311 for Sale

Founded: 2021

HQ: United States

The OA Defense 2311 is a single-action, hammer-fired semi-automatic pistol that uses SIG P320-pattern magazines, chambered in 9mm Luger. Its most distinctive trait is patent-pending debris clearance channels.

No active auctions for OA Defense 2311.

Recently Sold

Sold On 08/24/2026

OA Defense 2311 Compact Pro 9mm 1911 2011 +8 MAGS, ORIG BOX, LEUPOLD OPTIC

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Sold On 06/30/2026

OA Defense 2311 Compact Pro 9mm Optics-Ready 1911 4" +5 MAGS, ORIG CASE

DESIRED OA Defense 2311 9-mm 1911

Sold On 06/23/2026

OA Defense 2311 Compact Pro Plus 9mm 4.25" 1911 2011 +5 MAGS & ORIG BOX

OA Defense 2311 Optics-Ready 1911 2011 +HOLSTER

Sold On 05/20/2026

OA Defense 2311 Pro 9mm 1911 Optics-Ready 2011 +5 MAGS & ORIG CASE

OA Defense 2311 9-mm 1911 2011 WINDOWED

Sold On 05/15/2026

OA Defense 2311 Compact Pro 9mm 1911 Optics-Ready 2011 +5 MAGS & ORIG CASE

DESIRED OA Defense 2311 TAN 1911 2011

Sold On 05/08/2026

OA Defense 2311 Compact Pro 9mm Optics-Ready 1911 4.25" +5 MAGS & ORIG CASE

OA Defense 2311 1911 2011 WINDOWED

Sold On 10/29/2025

OA Defense 2311 Compact 2011 9mm 1911 4.25" +3 MAGS, ORIG CASE & HOLSTER

OA 2311 Compact 9-mm 1911 SIG P320 MAG COMPATIBLE

Sold On 10/13/2025

DESIRED! OA Defense 2311 Pro Elite 9mm 1911 5" +6 MAGS & ORIG CASE

PORTED! OA Defense 2311 Pro Elite 9-mm 1911

Sold On 10/08/2025

OA Defense 2311 Compact Pro Plus 9mm 2011-1911 4.25" +5 MAGS & ORIG BOX

OA 2311 9-mm 1911-2011 Ported Optic-Cut 23-11

Sold On 09/10/2025

BUNDLE! AO Defense 2311 Compact Pro 9mm 1911-2011 4.25" +7 MAGS

AO Defense 2311 9-mm 1911 +HOLSTER & STREAMLIGHT

Sold On 05/16/2025

OA Defense 2311 Compact Pro 9mm 4.25" OA-Defense 2311 2011 6MAGS & ORIG BOX

OA Defense OA 2311 Compact Pro Defense-OA 2311

Sold On Invalid Date

OA Defense 2311 Compact Pro Ported 9mm +LEUPOLD

OA Defense 2311 Compact Pro Ported 9-mm

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