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5.56x45 CMMG

CMMG is a leading American firearms manufacturer recognized for innovation and quality in AR-platform rifles and pistols since 2002. Their extensive lineup includes rifles, ar ak pistols, and a wide range of rifle and semi auto accessories, engineered for performance and reliability. CMMG’s proprietary Radial Delayed Blowback system enhances control and durability in pistol-caliber carbines, while their Mk47 Mutant platform demonstrates expertise in hybrid AR/AK designs. Featured products include models chambered in 9mm and.300 Blackout, supporting a variety of shooting applications from personal defense to competition. All CMMG firearms are manufactured in the USA, reflecting a commitment to quality materials and rigorous standards. Shop CMMG to explore advanced AR solutions tailored for demanding shooters.

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CMMG ZEROED 556K Suppressor, 5.5" Long, Heat Treated 17-4 Stainless Steel, 1.375"-24 HUB Compatible, Two Direct Thread HUB Mounts Included - 11DB015

CMMG ZEROED 556K Suppressor, 5.5" Long, Heat Treated 17-4 Stainless Steel, 1.375"-24 HUB Compatible, Two Direct Thread HUB Mounts Included - 11DB015

$549 99
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CMMG 55A130CAB Endeavor MK4 18 Armor Black

CMMG 55A130CAB Endeavor MK4 18 Armor Black

$1301 23
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CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Armor Black Cerakote - 55A060B-AB

CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Armor Black Cerakote - 55A060B-AB

$1199 99 $1,549.95
In Stock
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CMMG 55AC20A-AB Pistol Banshee MK4 12.5" 30rd w/RIP Brace Black

CMMG 55AC20A-AB Pistol Banshee MK4 12.5" 30rd w/RIP Brace Black

$1368 55
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CMMG Banshee Mk4 5.56x45mm 10.5" 30rd Semi-Auto Pistol Midnight Bronze, Threaded Barrel, M-LOK Handguard.

CMMG Banshee Mk4 5.56x45mm 10.5" 30rd Semi-Auto Pistol Midnight Bronze, Threaded Barrel, M-LOK Handguard.

$1399 16
In Stock
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CMMG 55A1A0B-MB Rifle Dissent MK4 16" 30rd Folding Stock Bronze

CMMG 55A1A0B-MB Rifle Dissent MK4 16" 30rd Folding Stock Bronze

$1909 21
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CMMG 55A1A0B-AB Rifle Dissent MK4 16" 30rd Folding Stock Black

CMMG 55A1A0B-AB Rifle Dissent MK4 16" 30rd Folding Stock Black

$1884 57
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CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

$479 10
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CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

Out of Stock
CMMG 55AED0A-AB Pistol Banshee MK4 10.5" 30rd Pistol Tube Black

CMMG 55AED0A-AB Pistol Banshee MK4 10.5" 30rd Pistol Tube Black

Out of Stock
CMMG 55A938F-CG Dissent 5.56x45mm NATO 30+1 6.50", Charcoal Green Cerakote Rec, OEM Grip, Picatinny Buffer Adapter

CMMG 55A938F-CG Dissent 5.56x45mm NATO 30+1 6.50", Charcoal Green Cerakote Rec, OEM Grip, Picatinny Buffer Adapter

Out of Stock
CMMG 55B8D86AB Dissent MK4 5.56x45mm NATO 10.50", Left Side Charging Handle, Armor Black, OEM Zeroed Blast Comp, 9.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

CMMG 55B8D86AB Dissent MK4 5.56x45mm NATO 10.50", Left Side Charging Handle, Armor Black, OEM Zeroed Blast Comp, 9.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

Out of Stock
CMMG Mk4 Stripped Lower Receiver 55CA102AB, Rifle, .223 Rem/5.56 NATO, 0" Barrel, Armor Black Cerakote, 7075-T6 Aluminum

CMMG Mk4 Stripped Lower Receiver 55CA102AB, Rifle, .223 Rem/5.56 NATO, 0" Barrel, Armor Black Cerakote, 7075-T6 Aluminum

Out of Stock
CMMG 55B8D86-SG Dissent 5.56x45mm 10.50" 7075-T6 Aluminum 9.60" M-LOK Handguard

CMMG 55B8D86-SG Dissent 5.56x45mm 10.50" 7075-T6 Aluminum 9.60" M-LOK Handguard

Out of Stock
CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Coyote Tan Cerakote - 55A060BCT

CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Coyote Tan Cerakote - 55A060BCT

Out of Stock
CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Sniper Grey Cerakote - 55A060BSG

CMMG RESOLUTE Mk4 Semi-Automatic 5.56x45mm Rifle, 14.5" Barrel with Pinned & Welded Muzzle Device, 30+1 Capacity - Sniper Grey Cerakote - 55A060BSG

Out of Stock
CMMG 54AE10FAB Banshee MK4 30+1 8" Black Nitride Medium Taper Threaded Barrel, EML M-LOK Handguard, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips

CMMG 54AE10FAB Banshee MK4 30+1 8" Black Nitride Medium Taper Threaded Barrel, EML M-LOK Handguard, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips

Out of Stock
CMMG 55A280AMB Banshee MK4 12.5 Tube MDBRZ

CMMG 55A280AMB Banshee MK4 12.5 Tube MDBRZ

Out of Stock
CMMG Dissent BR4 5.56 NATO 16.1" Rifle - 55A520B-SG

CMMG Dissent BR4 5.56 NATO 16.1" Rifle - 55A520B-SG

Out of Stock
CMMG 55A938F-MB Dissent 5.56x45mm NATO 30+1 6.50", Midnight Bronze Cerakote Rec, OEM Grip, Picatinny Buffer Adapter

CMMG 55A938F-MB Dissent 5.56x45mm NATO 30+1 6.50", Midnight Bronze Cerakote Rec, OEM Grip, Picatinny Buffer Adapter

Out of Stock
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