Hunting & Archery Equipment › cmmg resolute mk4 5 56x45mm

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Midnight Bronze 55BC7C3-MB

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Midnight Bronze 55BC7C3-MB. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... more

CMMG Inc Upper Receiver Group RESOLUTE 100 MK4 5.56x45mm 25.2 inch 16.1 inch Barrel RML15 M-LOK Handguard 1/2-28 A2 Comp Black 55BC761

CMMG Inc Upper Receiver Group RESOLUTE 100 MK4 5.56x45mm 25.2 inch 16.1 inch Barrel RML15 M-LOK Handguard 1/2-28 A2 Comp Black 55BC761. Each RESOLUTE rifle comes with a 16-inch barrel and is designed for balance accuracy and maneuverability. The... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Charcoal Green 55BC7C3-CG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Charcoal Green 55BC7C3-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... more

CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10 Armor Black M-LOK Free-Float

CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10 Armor Black M-LOK Free-Float. 56x45mm NATO 16.10" Armor Black M-LOK Free-Float - Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered this upper group is a staple for any collection and... more

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Coyote Tan 64BCF88-CT

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Coyote Tan 64BCF88-CT. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Coyote Tan 55BDFF4-CT

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Coyote Tan 55BDFF4-CT. 5 5.56mm BANSHEE upper group with the Mk4/standard AR15 lower group of your choice to create a compact AR pistol or SBR that blends maneuverability with carbine like... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B9331-CG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B9331-CG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this size... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... more

CMMG Mk4 Banshee Upper Receiver Group 5.56x45mm NATO 12.5in Armor Black 55BDFF4-AB

CMMG Mk4 Banshee Upper Receiver Group 5.56x45mm NATO 12.5in Armor Black 55BDFF4-AB. . These AR15 Upper Receivers through the expert product professionals at CMMG are made working with dependable and efficient components in order to provide you with... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Coyote Tan 55B8D53-CT

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Coyote Tan 55B8D53-CT. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Midnight Bronze 55BFDAB-MB

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Midnight Bronze 55BFDAB-MB. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... more

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB. 56mm the ENDEAVOR Mk4 Upper Group is here. Perfect for new builds or for use with an existing AR15 lower receiver this upper utilizes an 18 416 stainless steel barrel... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Charcoal Green 55B8D53-CG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Charcoal Green 55B8D53-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... more

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Tungsten 57B40E4-TNG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Tungsten 57B40E4-TNG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build.... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B8D86-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B8D86-AB. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B8D86-CG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B8D86-CG. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B8D86-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B8D86-CT. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B8D86-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B8D86-MB. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B8D86-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B8D86-TNG. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... more