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CMMG Guns 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.

Popular CMMG Models for Sale

Popular CMMG Platforms

CMMG Categories

CMMG Auctions

4 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

CMMG BANSHEE MkGs 9mm AR-9 AR9 5" MK-GS RipBrace +2 MAGS

CMMG BANSHEE MkGs 9mm AR-9 AR9 5" MK-GS RipBrace +2 MAGS

CMMG BANSHEE MkGs 9-mm AR AR9 Echo Binary Trigger

CMMG .22 LR Conversion Kit Bravo Convert kits +3 MAGS

CMMG .22 LR Conversion Kit Bravo Convert kits +3 MAGS

Recently Sold

CMMG Mk47 RESOLUTE 7.62x39 16.1" P&W MK 47 MARK +2 MAGS

Sold On 08/14/2026

CMMG Mk47 RESOLUTE 7.62x39 16.1" P&W MK 47 MARK +2 MAGS

CMMG Mk47 RESOLUTE 762 AR/AK Hybrid

CMMG Mk4 Banshee 9mm AR-15 AR15 Distressed Grey/Black Mark 4 PDW +3 MAGS

Sold On 08/12/2026

CMMG Mk4 Banshee 9mm AR-15 AR15 Distressed Grey/Black Mark 4 PDW +3 MAGS

CMMG Mk4 Banshee 9-mm AR-15 AR15 Mark MK 4

CMMG Mk47 Mutant 7.62x39 Black & Tan MK MARK 47 +EOTECH OPTICS, MAGNIFIER

Sold On 08/12/2026

CMMG Mk47 Mutant 7.62x39 Black & Tan MK MARK 47 +EOTECH OPTICS, MAGNIFIER

CMMG Mk47 Mutant 762 MK MARK 47

CMMG MK9 5.56 NATO AR-15 AR15 16" Colt C MP Chrome Bore

Sold On 08/12/2026

CMMG MK9 5.56 NATO AR-15 AR15 16" Colt C MP Chrome Bore

CMMG MK9 556 AR-15 AR15 Retro A1 MK Mark 9

CMMG MK9 9mm AR-9 AR9 MK LOWER RECEIVER

Sold On 08/10/2026

CMMG MK9 9mm AR-9 AR9 MK LOWER RECEIVER

GUNSMITH SPECIAL CMMG MK9 9-mm AR9 RECEIVERS

CMMG AR-15 Conversion Barrel & Bolt Assembly .22 LR 9" Rifle Barrels 22LR

Sold On 08/05/2026

CMMG AR-15 Conversion Barrel & Bolt Assembly .22 LR 9" Rifle Barrels 22LR

SIX (6) CMMG 5.7x28 AR15/M4 Pattern Conversion Magazines 57 Mags

Sold On 08/03/2026

SIX (6) CMMG 5.7x28 AR15/M4 Pattern Conversion Magazines 57 Mags

CMMG 22 LR Conversion BCG AR15 Parts 22LR Bolt Carrier Group Kit AR-15

Sold On 07/27/2026

CMMG 22 LR Conversion BCG AR15 Parts 22LR Bolt Carrier Group Kit AR-15

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 .22LR Conversion Kit for AR15/M4 .22 LR Rifle Bolts & 3 Magazines

Sold On 07/20/2026

CMMG .22LR Conversion Kit for AR15/M4 .22 LR Rifle Bolts & 3 Magazines

CMMG MkG 45 ACP AR-15 AR15 16.1 THREADED +5 MAGS

Sold On 07/17/2026

CMMG MkG 45 ACP AR-15 AR15 16.1 THREADED +5 MAGS

CMMG MkG 45ACP AR-15 AR15 Glock Mags

CMMG MkGs 9mm AR-9 AR9 16 Radial Delayed Blowback THREADED

Sold On 07/05/2026

CMMG MkGs 9mm AR-9 AR9 16 Radial Delayed Blowback THREADED

CMMG MkGs 9-mm AR AR9 Like Banshee Dissent

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

CMMG Mk47 7.62x39 16.1 Mark 47 MUTANT AR/AK Hybrid

Sold On 06/21/2026

CMMG Mk47 7.62x39 16.1 Mark 47 MUTANT AR/AK Hybrid

CMMG Mk47 MUTANT AK MAGS

CMMG MK10 Banshee 10mm 8 PCC MK-10 Radial Delayed Blowback SB TAC BRACE

Sold On 06/21/2026

CMMG MK10 Banshee 10mm 8 PCC MK-10 Radial Delayed Blowback SB TAC BRACE

CMMG MK10 Banshee PCC MK-10 Mark Mark10 GLOCK MAGS

LIKE-NEW CMMG MK57 Banshee 5.7x28 AR-15 AR15 Grey Radial Delayed Blowback

Sold On 05/29/2026

LIKE-NEW CMMG MK57 Banshee 5.7x28 AR-15 AR15 Grey Radial Delayed Blowback

CMMG MK57 Banshee AR-15 AR15 MK-57 Five-seveN Mags

Sell a Gun Consign a Gun

CMMG DISSENT Mk4 .300 AAC Blackout 300Blackout AR-15 AR15 16 +ORIG CASE

Sold On 05/27/2026

CMMG DISSENT Mk4 .300 AAC Blackout 300Blackout AR-15 AR15 16 +ORIG CASE

CMMG DISSENT Mk4 Mark IV MK 4 AR-15 BUFFERLESS

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 Mk47 BANSHEE 7.62x39 12.5 MK-47 Threaded MUTANT +2 PMAGS & CASE

Sold On 05/01/2026

CMMG Mk47 BANSHEE 7.62x39 12.5 MK-47 Threaded MUTANT +2 PMAGS & CASE

CMMG Mk47 BANSHEE MK-47 AR/AK Hybrid

CMMG DISSENT Br4 5.56 NATO 16.1 Side-Charging BUFFERLESS +2 PMAGS, CASE

Sold On 04/24/2026

CMMG DISSENT Br4 5.56 NATO 16.1 Side-Charging BUFFERLESS +2 PMAGS, CASE

CMMG DISSENT Br4 556 M-Lok

CMMG DISSENT BR4 350 Legend AR-15 AR15 M-Lok Side Charging, BUFFERLESS

Sold On 04/24/2026

CMMG DISSENT BR4 350 Legend AR-15 AR15 M-Lok Side Charging, BUFFERLESS

CMMG DISSENT BR4 AR-15 AR15 THREADED 4 MAGS, BIPOD

CMMG BANSHEE MkGs 9mm 5" Coyote Tan AR-9 AR9 +3 MAGS & ORIG BOX

Sold On 04/10/2026

CMMG BANSHEE MkGs 9mm 5" Coyote Tan AR-9 AR9 +3 MAGS & ORIG BOX

CMMG BANSHEE MkGs 9-mm AR9 PDW-PCC Glock-Mags

CMMG MkGs BANSHEE 9mm AR-9 AR9 5" Grey

Sold On 04/06/2026

CMMG MkGs BANSHEE 9mm AR-9 AR9 5" Grey

CMMG MkGs BANSHEE PCC PDW 9-mm AR9

CMMG Banshee MkGs 9mm AR-9 AR9 5" +ORIG BOX

Sold On 04/03/2026

CMMG Banshee MkGs 9mm AR-9 AR9 5" +ORIG BOX

CMMG BANSHEE MkGs 9-mm AR9 MK GS Target

CMMG Mk9 Banshee 9mm AR-9 AR9 8" SB Brace Threaded +6 MAGS

Sold On 03/25/2026

CMMG Mk9 Banshee 9mm AR-9 AR9 8" SB Brace Threaded +6 MAGS

CMMG Mk9 9-mm AR9 AR

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 Banshee Mk10 10-mm 8" Two-Tone Black & Tan +PRIMARY ARMS OPTIC

Sold On 03/23/2026

CMMG Banshee Mk10 10-mm 8" Two-Tone Black & Tan +PRIMARY ARMS OPTIC

CMMG Banshee Mk10 10mm MK-10 PCC PDW

CMMG DISSENT Mk4 300 Blackout AR-15 AR15 6.5" Defense Pistol

Sold On 03/11/2026

CMMG DISSENT Mk4 300 Blackout AR-15 AR15 6.5" Defense Pistol

CMMG DISSENT Mk4 300-BLK-AAC AR-15 AR15

CMMG Mk17 Banshee 9mm AR-9 AR9 5" Tan MK 17 Defense Target Pistol

Sold On 03/09/2026

CMMG Mk17 Banshee 9mm AR-9 AR9 5" Tan MK 17 Defense Target Pistol

CMMG Mk17 Banshee MK 17 9-mm AR9 Tactical Sport

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 MkG Banshee 45 ACP AR-9 AR9 5" Green Defense Pistol +4 MAGS

Sold On 03/09/2026

CMMG MkG Banshee 45 ACP AR-9 AR9 5" Green Defense Pistol +4 MAGS

CMMG MkG Banshee 45ACP AR-9 AR9 Tactical Target

CMMG Banshee MkGs 300 Series 9mm AR-9 AR9 5" FDE PCC PDW +3 MAGS

Sold On 03/04/2026

CMMG Banshee MkGs 300 Series 9mm AR-9 AR9 5" FDE PCC PDW +3 MAGS

CMMG Banshee MkGs PCC PDW 9-mm AR9 AR

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