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CMMG AR-15 for Sale

Founded: 2002

HQ: United States

CMMG, Inc. is a United States firearms manufacturer founded in 2002. The company is distinctive for AR platform innovation, including its proprietary Radial Delayed Blowback system for pistol-caliber carbines and an AR/AK hybrid in 7.62x39. Over 97 CMMG auctions have run on FirearmLand. Frequently listed models include the BANSHEE, Mk4, and DISSENT.

CMMG AR-15 Auctions

2 active auctions ending soon

CMMG Mk3 308 Winchester AR-10 AR10 24" FDE MK 3 Mark +BIPOD

CMMG Mk3 308 Winchester AR-10 AR10 24" FDE MK 3 Mark +BIPOD

CMMG Mk3 308 AR-10 AR10 MK 3 Mark

CMMG MOD4SA 5.56 NATO AR-15 AR15 16" MOD4-SA BULL TARGET BARREL

CMMG MOD4SA 5.56 NATO AR-15 AR15 16" MOD4-SA BULL TARGET BARREL

CMMG MOD4SA 556 AR-15 AR15 MOD4-SA

Recently Sold

CMMG Mk4 300 Blackout AR-15 AR15 16" FDE Mark4 MK IV Mark 4 THREADED

Sold On 07/27/2026

CMMG Mk4 300 Blackout AR-15 AR15 16" FDE Mark4 MK IV Mark 4 THREADED

CMMG Mk4 AR-15 AR15 Mark4 MK IV Mark 4 M-LOK

CMMG Mk4 5.56 NATO AR-15 AR15 16.1" Two-Tone FDE Mk 4 Mark +3 MAGS

Sold On 07/03/2026

CMMG Mk4 5.56 NATO AR-15 AR15 16.1" Two-Tone FDE Mk 4 Mark +3 MAGS

CMMG Mk4 AR15 AR 15 Mk Mark 4 M-LOK +MAGPUL SLING

UPGRADES CMMG Mk4 SBR 300 Blackout AR-15 AR15 8" Mk Mark 4 BCM GUNFIGHTER

Sold On 06/24/2026

UPGRADES CMMG Mk4 SBR 300 Blackout AR-15 AR15 8" Mk Mark 4 BCM GUNFIGHTER

CMMG Mk4 Mk 4 AR-15 AR15 MAGPUL, QD SUPP MOUNT

UPGRADES CMMG Mk4 SBR 5.56 NATO AR-15 AR15 12.5" Mk Mark 4 BCM GUNFIGHTER

Sold On 06/23/2026

UPGRADES CMMG Mk4 SBR 5.56 NATO AR-15 AR15 12.5" Mk Mark 4 BCM GUNFIGHTER

CMMG Mk4 556 Mk 4 AR-15 AR15 AAC 51T BREAKOUT

DESIRED! CMMG MK3 BANSHEE 8.6 Blackout 12.5" AR-10 AR10 +ORIG CASE

Sold On 05/27/2026

DESIRED! CMMG MK3 BANSHEE 8.6 Blackout 12.5" AR-10 AR10 +ORIG CASE

CMMG MK3 BANSHEE AR-10 AR10 8.6-BLK 8.6BLK MK-3

CMMG Mk3 RESOLUTE 308 Winchester AR-10 AR10 16.1 +ORIG CASE

Sold On 05/27/2026

CMMG Mk3 RESOLUTE 308 Winchester AR-10 AR10 16.1 +ORIG CASE

CMMG Mk3 RESOLUTE AR-10 AR10 MKIII Mark 3 MK III

CMMG Mk4 Banshee 300 Blackout AR-15 AR15 8 Gray PDW +2 MAGS

Sold On 05/20/2026

CMMG Mk4 Banshee 300 Blackout AR-15 AR15 8 Gray PDW +2 MAGS

CMMG Mk4 Banshee Mark 4 AR-15 AR15 TAC BRACE

CMMG Mk4 RESOLUTE 6mm ARC AR-15 AR15 16" Magpul PRS GEN3 M-LOK Defense

Sold On 03/23/2026

CMMG Mk4 RESOLUTE 6mm ARC AR-15 AR15 16" Magpul PRS GEN3 M-LOK Defense

CMMG Mk4 RESOLUTE 6mm-ARC AR-15 AR15 Tactical

CMMG MK4 300-Blackout 16" AR-15 AR15 MK-4 +GEISSELE TRIGGER

Sold On 03/09/2026

CMMG MK4 300-Blackout 16" AR-15 AR15 MK-4 +GEISSELE TRIGGER

CMMG MK4 300-BLK-AAC 300BLK AR-15 AR15 MK-4

CMMG Mk4 300 Blackout AR-15 AR15 16" Mark Four MK-4 Sporting Target Rifle

Sold On 02/06/2026

CMMG Mk4 300 Blackout AR-15 AR15 16" Mark Four MK-4 Sporting Target Rifle

CMMG Mk4 Mark Four AR15 AR 15 300-BLK-AAC Hunting

BIG BORE! CMMG MkW-15 ANVIL XBE 458-SOCOM 16" Stainless

Sold On 01/26/2026

BIG BORE! CMMG MkW-15 ANVIL XBE 458-SOCOM 16" Stainless

CMMG MkW15 458SOCOM AR15 AR-15 Hunting-Sporting

CMMG RESOLUTE Mk4 MK-4 5.56 NATO AR-15 AR15 16.1"

Sold On 10/31/2025

CMMG RESOLUTE Mk4 MK-4 5.56 NATO AR-15 AR15 16.1"

CMMG RESOLUTE Mk4 556 AR-15 AR15 MK-4 M-LOK

CMMG RESOLUTE Mk4 5.56mm NATO (.223 Rem.) AR-15 AR15 16 Charcoal Green

Sold On 09/22/2025

CMMG RESOLUTE Mk4 5.56mm NATO (.223 Rem.) AR-15 AR15 16 Charcoal Green

CMMG RESOLUTE Mk4 AR-15 AR15

CMMG MK4 Resolute 350 Legend AR-15 AR15 MK-4

Sold On 09/08/2025

CMMG MK4 Resolute 350 Legend AR-15 AR15 MK-4

CMMG MK4 Resolute 350-Legend MK-4

CMMG MK4 5.7x28 8" Coyote Tan Mk 4 +ORIG BOX

Sold On 07/18/2025

CMMG MK4 5.7x28 8" Coyote Tan Mk 4 +ORIG BOX

CMMG MK4 Mk 4 5.7x28

CMMG MK4 300 Blackout AR-15 AR15 AR 8" CMMG MK-4 AR15 +5 MAGS

Sold On 05/09/2025

CMMG MK4 300 Blackout AR-15 AR15 AR 8" CMMG MK-4 AR15 +5 MAGS

CMMG MK4 AR-15 AR15 AR CMMG-MK4 AR-15

CMMG Mk4 5.56 NATO AR-15 AR15 AR 12.5" CMMG-Mk4 AR-15-AR15 AR 2MAGS & OPTIC

Sold On 03/07/2025

CMMG Mk4 5.56 NATO AR-15 AR15 AR 12.5" CMMG-Mk4 AR-15-AR15 AR 2MAGS & OPTIC

CMMG Mk4 AR-15 AR15 AR CMMG-Mk4 AR-15 AR

CMMG Mk4 5.56 NATO AR-15 AR15 AR 16" OD Green CMMG-Mk4 AR-15-AR15 AR +OPTIC

Sold On 01/03/2025

CMMG Mk4 5.56 NATO AR-15 AR15 AR 16" OD Green CMMG-Mk4 AR-15-AR15 AR +OPTIC

FULLY LOADED CMMG Mk4 AR-15 AR15 AR CMMG-Mk4

Sell a Gun Consign a Gun

CMMG MOD4SA 223 Wylde TTI JOHN WICK CLONE AR-15 AR15 AR 16" CMMG AR15 +2MAG

Sold On 12/23/2024

CMMG MOD4SA 223 Wylde TTI JOHN WICK CLONE AR-15 AR15 AR 16" CMMG AR15 +2MAG

CMMG MOD4SA Taran Tactical AR-15 CMMG-AR15 AR

LIKE-NEW CMMG Endeavor Mk3 6.5 Creedmoor AR-10 AR10 AR 20" FDE CMMG

Sold On 09/13/2024

LIKE-NEW CMMG Endeavor Mk3 6.5 Creedmoor AR-10 AR10 AR 20" FDE CMMG

CMMG Endeavor Mk3 AR-10 AR10 AR CMMG-Endeavor

CMMG Model MK4 5.56 NATO AR-15 AR15 AR 10.5" CMMG MK4 AR-15-AR15 AR +2 MAGS

Sold On 02/22/2024

CMMG Model MK4 5.56 NATO AR-15 AR15 AR 10.5" CMMG MK4 AR-15-AR15 AR +2 MAGS

CMMG MK4 AR-15 AR15 AR CMMG- MK4

CMMG Resolute Mk4 5.56 NATO AR-15 AR15 AR 16" CMMG AR-15-AR15 AR Mk-4 Mark

Sold On 02/15/2024

CMMG Resolute Mk4 5.56 NATO AR-15 AR15 AR 16" CMMG AR-15-AR15 AR Mk-4 Mark

CMMG Resolute Mk4 AR-15 AR15 AR CMMG-Resolute

CMMG MK15 223 Wylde 16" AR-15 AR15 AR MK15 CMMG MK-15 CUSTOM

Sold On 10/26/2023

CMMG MK15 223 Wylde 16" AR-15 AR15 AR MK15 CMMG MK-15 CUSTOM

CMMG MK15 AR-15 AR15 AR CMMG MK-15

CMMG Mk4 300 Blackout 16" AR-15 AR-15 Threaded Tactical

Sold On 10/01/2023

CMMG Mk4 300 Blackout 16" AR-15 AR-15 Threaded Tactical

CMMG Mk4 AR Pistol 30+1

CMMG MK-4 5.56 NATO 16" 30+1 FREE-FLOATING Rifle CMMG 556x45 MK4 MK-4 2MAGS

Sold On 08/24/2023

CMMG MK-4 5.56 NATO 16" 30+1 FREE-FLOATING Rifle CMMG 556x45 MK4 MK-4 2MAGS

CMMG MK-4

CMMG MK4 5.56 NATO AR-15 AR15 AR 13" CMMG

Sold On Invalid Date

CMMG MK4 5.56 NATO AR-15 AR15 AR 13" CMMG

CMMG MK4 AR-15 AR15 AR CMMG-MK4