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Glock 20 for Sale

Founded: 1963

HQ: Austria

The Glock 20 is a full-size, striker-fired semi-automatic pistol chambered in 10mm Auto, featuring a polymer frame and a standard 15-round magazine. Known for handling both full-power and reduced 'FBI' 10mm loads. Over 115 Glock 20 auctions have run on FirearmLand.

Glock 20 Auctions

3 active auctions ending soon

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +3 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +3 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen 5

Glock 20C Gen3 G20C Gen 3 10mm 4.61" PORT +2 MAGS & ORIG CASE

Glock 20C Gen3 G20C Gen 3 10mm 4.61" PORT +2 MAGS & ORIG CASE

Glock 20C Gen3 G20C Gen 3 20-C 10mm

Glock 20 Gen2 G20 Gen 2 10mm 4.61" +TWO MAGS & ORIG CASE

Glock 20 Gen2 G20 Gen 2 10mm 4.61" +TWO MAGS & ORIG CASE

Glock 20 Gen2 G20 Gen 2 10-mm

Recently Sold

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +3 MAGS, ORIG CASE, TLR-7A LIGHT

Sold On 08/21/2026

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +3 MAGS, ORIG CASE, TLR-7A LIGHT

Glock 20 Gen5 MOS G20 Gen 5

Glock 20 Gen3 SF G20 Gen 3 Short Frame 10mm Silver & Black +2 MAGS

Sold On 08/10/2026

Glock 20 Gen3 SF G20 Gen 3 Short Frame 10mm Silver & Black +2 MAGS

Glock 20 Gen3 SF G20 Gen 3 20SF Longslide Upper

Glock 20 Gen4 G20 Gen 4 10mm 4.61" +2 MAGS & ORIG CASE

Sold On 07/24/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.61" +2 MAGS & ORIG CASE

Glock 20 Gen4 G20 Gen 4

Glock 20 C Gen3 G20C Gen 3 20C 10mm TIMNEY TRIGGER +2 MAGS & ORIG CASE

Sold On 07/06/2026

Glock 20 C Gen3 G20C Gen 3 20C 10mm TIMNEY TRIGGER +2 MAGS & ORIG CASE

Glock 20C Gen3 G20C Gen 3 20-C

Glock 20 V Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS & ORIG CASE

Sold On 06/25/2026

Glock 20 V Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS & ORIG CASE

Glock 20 V Gen5 MOS G20 Gen 5 20V

Glock 20 Gen4 G20 Gen 4 10mm 4.61" +2 MAGS & ORIG CASE

Sold On 06/23/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.61" +2 MAGS & ORIG CASE

Glock 20 Gen4 G20 Gen 4

Glock 20 Gen3 G20-SF Gen 3 Short Frame 10mm 4.6 +2 MAGS & ORIG CASE

Sold On 06/21/2026

Glock 20 Gen3 G20-SF Gen 3 Short Frame 10mm 4.6 +2 MAGS & ORIG CASE

Glock 20 Gen3 G20-SF Gen 3

Glock 20 Gen4 G20 Gen 4 10mm 4.61"

Sold On 06/19/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.61"

Glock 20 Gen4 G20 Gen 4

Glock 20 Gen4 G20 Gen 4 10mm 4.61 Gray +3 MAGS & ORIG CASE

Sold On 06/16/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.61 Gray +3 MAGS & ORIG CASE

Glock 20 Gen4 G20 Gen 4 10mm EXCLUSIVE FINISH

Glock 20 Gen4 G20 Gen 4 10mm 4.6" +2 MAGS & ORIG CASE

Sold On 06/15/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.6" +2 MAGS & ORIG CASE

DISCONTINUED Glock 20 Gen4 G20 Gen 4 10mm

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61+3 MAGS & ORIG CASE

Sold On 06/07/2026

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61+3 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen 5

Glock 20 Gen3 G20 Gen 3 10mm 4.61" +2 MAGS & ORIG CASE

Sold On 06/05/2026

Glock 20 Gen3 G20 Gen 3 10mm 4.61" +2 MAGS & ORIG CASE

Glock 20 Gen3 G20 Gen 3 10mm

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS

Sold On 06/01/2026

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS

Glock 20 Gen5 MOS G20 Gen 5

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +ORIG CASE

Sold On 05/29/2026

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61 +ORIG CASE

Glock 20 Gen5 MOS G20 Gen 5 10mm AMERIGLO

Glock 20 Gen4 G20 Gen 4 10mm 4.61" Light Gray +5 MAGS & ORIG CASE

Sold On 05/18/2026

Glock 20 Gen4 G20 Gen 4 10mm 4.61" Light Gray +5 MAGS & ORIG CASE

Glock 20 Gen4 G20 Gen 4 10mm

Glock 20 Gen3 SF G20 Short-Frame Gen 3 10mm 4.6 +THREE MAGS

Sold On 05/13/2026

Glock 20 Gen3 SF G20 Short-Frame Gen 3 10mm 4.6 +THREE MAGS

Glock 20 Gen3 SF G20 Gen 3 20SF G20SF

Glock 20 Gen3 G20 Gen 3 10mm 4.6" KKM PRECISION BARREL +2 MAGS & ORIG CASE

Sold On 05/01/2026

Glock 20 Gen3 G20 Gen 3 10mm 4.6" KKM PRECISION BARREL +2 MAGS & ORIG CASE

Glock 20 Gen3 G20 Gen 3 10mm

Glock 20 Gen5 MOS 10mm 4.61" G20 +2 MAGS & ORIG CASE

Sold On 04/27/2026

Glock 20 Gen5 MOS 10mm 4.61" G20 +2 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen-5

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Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS & ORIG CASE

Sold On 04/15/2026

Glock 20 Gen5 MOS G20 Gen 5 10mm 4.61" +3 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen 5 10mm

Glock 20 Gen5 MOS 10mm 4.61" G20 Gen 5 Defense Pistol +3 MAGS & ORIG CASE

Sold On 04/03/2026

Glock 20 Gen5 MOS 10mm 4.61" G20 Gen 5 Defense Pistol +3 MAGS & ORIG CASE

Glock 20 Gen5 MOS 10mm G20 Gen 5 Target Sport

Glock 20 SF Gen3 10mm 20SF G20 G20SF Gen-3 +ORIG CASE

Sold On 03/27/2026

Glock 20 SF Gen3 10mm 20SF G20 G20SF Gen-3 +ORIG CASE

Glock 20 SF Gen3 10mm 20SF G20 G20SF Gen-3

Glock 20 Gen-3 Frame 10mm G20 Gen3

Sold On 03/16/2026

Glock 20 Gen-3 Frame 10mm G20 Gen3

Glock 20 Gen-3 10mm G20 Gen3 Frame-Build

Glock 20C Gen3 10mm G20 G20C Gen-3 20-C +2 MAGS & ORIG CASE

Sold On 03/16/2026

Glock 20C Gen3 10mm G20 G20C Gen-3 20-C +2 MAGS & ORIG CASE

Glock 20C G20 Gen3 G20C Gen-3 10mm 20-C

Glock 20 SF Gen3 10mm G20 G20SF 20SF Gen-3 +3MAGS & HOLSTER

Sold On 03/16/2026

Glock 20 SF Gen3 10mm G20 G20SF 20SF Gen-3 +3MAGS & HOLSTER

Glock 20 SFGen3 10mm G20 G20SF 20SF Gen-3

Glock 20 Gen5 MOS 10mm 4.61" G20 Gen-5 +3 MAGS & ORIG CASE

Sold On 03/13/2026

Glock 20 Gen5 MOS 10mm 4.61" G20 Gen-5 +3 MAGS & ORIG CASE

Glock 20 Gen5 MOS G20 Gen-5 10-mm

Glock 20 Gen3 10mm 4.61" G20 Gen-3 +ORIG CASE

Sold On 03/13/2026

Glock 20 Gen3 10mm 4.61" G20 Gen-3 +ORIG CASE

Glock 20 Gen3 10-mm G20 Gen-3 Full-Sized

Glock 20 SF Gen3 G20 Gen 3 10mm 4.6" +2 MAGS & ORIG CASE

Sold On 03/13/2026

Glock 20 SF Gen3 G20 Gen 3 10mm 4.6" +2 MAGS & ORIG CASE

Glock 20 20SF Gen3 G20 Gen 3 10mm

Glock 20 Gen4 10mm G20 Gen-4 +3 MAGS & ORIG CASE

Sold On 03/13/2026

Glock 20 Gen4 10mm G20 Gen-4 +3 MAGS & ORIG CASE

Glock 20 Gen4 G20 Gen 4 10mm

Glock 20 Gen5 MOS G20 Gen-5 10mm 4.61" +3 MAGS, ORIG CASE & HOLSTER

Sold On 03/11/2026

Glock 20 Gen5 MOS G20 Gen-5 10mm 4.61" +3 MAGS, ORIG CASE & HOLSTER

Glock 20 Gen5 G20 Gen 5

LIKE-NEW Glock 20 Gen5 MOS 10mm 4.61" G20 Gen 5 Defense Pistol +3 MAGS

Sold On 03/06/2026

LIKE-NEW Glock 20 Gen5 MOS 10mm 4.61" G20 Gen 5 Defense Pistol +3 MAGS

Glock 20 Gen5 MOS G20 Gen 5 10mm Duty-Carry

Glock 20 G20 Gen 2 10mm 4.6 +2MAGS

Sold On 02/25/2026

Glock 20 G20 Gen 2 10mm 4.6 +2MAGS

Glock 20 G20 Gen 2 10-mm

Glock 20 Gen4 10mm 4.61" G20 Gen 4 Defense Pistol +3 MAGS & ORIG CASE

Sold On 02/20/2026

Glock 20 Gen4 10mm 4.61" G20 Gen 4 Defense Pistol +3 MAGS & ORIG CASE

Glock 20 Gen4 Heavy Duty G20 Gen 4 10mm Target

Glock 20 SF Gen 3 10mm G20 Gen3 +ORIG CASE

Sold On 01/26/2026

Glock 20 SF Gen 3 10mm G20 Gen3 +ORIG CASE

Glock 20 Gen 3 10mm G20 Gen3

OPTIC READY Glock 20 G20 Gen5 MOS 10mm 4.61 Gen 5 +2 MAGS & ORIG CASE

Sold On 01/14/2026

OPTIC READY Glock 20 G20 Gen5 MOS 10mm 4.61 Gen 5 +2 MAGS & ORIG CASE

Glock 20 G20 Gen5 MOS Gen 5 10mm

Glock G20 Short Frame SF Gen3 4.61" G 20 G20SF Gen 3 +ORIG CASE

Sold On 01/07/2026

Glock G20 Short Frame SF Gen3 4.61" G 20 G20SF Gen 3 +ORIG CASE

Glock G20 10mm G20SF G-20 Gen3

OPTIC READY Glock G20 Gen5 MOS 10mm 4.61" G 20 Gen 5 +3 MAGS & ORIG CASE

Sold On 01/05/2026

OPTIC READY Glock G20 Gen5 MOS 10mm 4.61" G 20 Gen 5 +3 MAGS & ORIG CASE

Glock G20 Gen5 MOS G-20 Gen 5 10mm

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