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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

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CMMG Auctions

3 active auctions ending soon

CMMG 22LR AR Conversion Kit Bravo W/ 3 Magazines, BLK .22 LR

CMMG 22LR AR Conversion Kit Bravo W/ 3 Magazines, BLK .22 LR

CMMG Banshee 300 MkGs 9mm AR-9 AR9 5" CERAKOTE +2 MAGS, BOX

CMMG Banshee 300 MkGs 9mm AR-9 AR9 5" CERAKOTE +2 MAGS, BOX

CMMG Banshee 9-mm AR9 AR

CMMG Banshee MkGs 40 S&W AR-9 AR9 8" UPPER RECEIVER GROUP +ORIG BOX

CMMG Banshee MkGs 40 S&W AR-9 AR9 8" UPPER RECEIVER GROUP +ORIG BOX

CMMG Banshee MkGs 40-S&W AR-9 AR9 UPPER

Recently Sold

CMMG Banshee Complete Upper Receiver 8" 5.7x28mm Rifle MK57 MK 57

Sold On 10/09/2026

CMMG Banshee Complete Upper Receiver 8" 5.7x28mm Rifle MK57 MK 57

CMMG Builder's Kit 9mm Luger 5.5 Rifle Upper Receiver Building Kits

Sold On 09/28/2026

CMMG Builder's Kit 9mm Luger 5.5 Rifle Upper Receiver Building Kits

CMMG Dissent 300 AAC Blackout 7.62x35 10.5" AR15 Rifle Upper Receiver AR-15

Sold On 09/25/2026

CMMG Dissent 300 AAC Blackout 7.62x35 10.5" AR15 Rifle Upper Receiver AR-15

CMMG Banshee Mk4 22LR AR-15 AR15 4.5" FDE & Black MK 4 Mark IV PDW +2 MAGS

Sold On 09/21/2026

CMMG Banshee Mk4 22LR AR-15 AR15 4.5" FDE & Black MK 4 Mark IV PDW +2 MAGS

CMMG Banshee Mk4 22 LR AR-15 AR15 MK 4 Mark IV

UPGRADES CMMG BANSHEE Mk4 300 Blackout AR-15 AR15 MK IV Mark 4 LAW FOLDER

Sold On 09/21/2026

UPGRADES CMMG BANSHEE Mk4 300 Blackout AR-15 AR15 MK IV Mark 4 LAW FOLDER

CMMG BANSHEE Mk4 AR 15 AR15 GEISSELE Deadair LARUE

CMMG MkW-15 Anvil XBE2 458 SOCOM AR15 MKW15 AR +ORIG BOX

Sold On 09/14/2026

CMMG MkW-15 Anvil XBE2 458 SOCOM AR15 MKW15 AR +ORIG BOX

CMMG MkW-15 458-SOCOM AR15 AR MKW15 GEISSELE SSA

CMMG MOD4 SA 5.56 NATO AR-15 AR15 16" P&W MOD-4

Sold On 09/11/2026

CMMG MOD4 SA 5.56 NATO AR-15 AR15 16" P&W MOD-4

CMMG MOD4 SA 556 AR 15 AR15 MOD-4 Retro Carbine

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

Sold On 09/04/2026

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

Sold On 09/04/2026

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

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

Sold On 08/28/2026

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

CMMG MOD4SA 556 AR-15 AR15 MOD4-SA

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

Sold On 08/28/2026

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

CMMG Mk3 308 AR-10 AR10 MK 3 Mark

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

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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

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

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