Upper & Lower Receiver

  Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a black hard coat anodized finish and can be assembled using any mil-spec Lower Parts Kit.   If you want to add some customization to your next AR build, consider upgrading to one of 10 different cerakote color options and pairing the Mk4 stripped lower with our Gunbuilder’s Lower Parts Kit and picking out the Trigger Guard, Pistol Grip, and Fire Control Group to make your project whatever you imagine. Don’t forget to check out CMMG’s Rifle Stock Kits and Pistol Brace Kits to round off the parts for the AR15 Mk4 stripped lower. SPECS: Platform: Mk4 / AR-15 Mil-Spec Lower Receiver: Forged 7075 T6 Aluminum Finish: Cerakote Armor Black Compatible accessories see under this article, accessories   MADE IN THE USA

  Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a black hard coat anodized finish and can be assembled using any mil-spec Lower Parts Kit.   If you want to add some customization to your next AR build, consider upgrading to one of 10 different cerakote color options and pairing the Mk4 stripped lower with our Gunbuilder’s Lower Parts Kit and picking out the Trigger Guard, Pistol Grip, and Fire Control Group to make your project whatever you imagine. Don’t forget to check out CMMG’s Rifle Stock Kits and Pistol Brace Kits to round off the parts for the AR15 Mk4 stripped lower. SPECS: Platform: Mk4 / AR-15 Mil-Spec Lower Receiver: Forged 7075 T6 Aluminum Finish: Cerakote Coyote Tan Compatible accessories see under this article, accessories   MADE IN THE USA

  There is no doubt just how capable and popular the AR15(Mk4) platform is, and while most plain mil-spec AR15 lowers could do the job for your next build, you don’t have to settle for just good enough. Available in seven different Cerakote finishes, this RESOLUTE® Mk4 lower group comes with a suite of CMMG® parts and accessories you won’t find anywhere else. Lower group includes: CMMG RipStock ZEROED Drop-In Trigger ZEROED Pistol Grip ZEROED Trigger Guard ZEROED 60°/90° Ambi Safety ZEROED Ambi Mag Catch ZEROED Extended Mag Release Button ZEROED AR15 Bolt Catch ZEROED Drop-In Trigger: Designing a trigger that effortlessly sparks the most stubborn primers often conjures up the image of a trigger with a heavy pull, long travel, and a break that's more disappointing than getting socks for Christmas as a kid. The ZEROED™ Drop-In Trigger is none of those things.Made to ignite even the toughest steel case primers, the ZEROED trigger is compatible with a variety of AR platforms including AR15, AR10/LR-308, Mk47®, and DISSENT® firearms. With a 4.5lb pull weight and single-stage operation, the ZEROED trigger is a great choice for compact personal defense weapons and long-range precision rifles alike. Single-stage operation 4 - 4.5 lb Trigger pull Drop-in design Crisp break Short reset travel ZEROED anti-walk trigger pins included Specifications Platform Mk4 / AR-15 Lower Receiver Mk4 Forged 7075 T6 Aluminum Finish Cerakote Armor Black Pistol Grip CMMG ZEROED Pistol Grip Buffer Type Carbine Receiver Extension CMMG 6 Position Fastback w/Ambi Sling Plate Stock / Brace CMMG RipStock Trigger Type ZEROED Drop-In Single Stage Trigger Guard CMMG ZEROED Trigger Guard Safety Selector CMMG ZEROED 60/90 Degree Weight 2.2 lbs Length 14.9"   Informations: Compatible accessories see under this article, accessories  MADE IN THE USA

  There is no doubt just how capable and popular the AR15(Mk4) platform is, and while most plain mil-spec AR15 lowers could do the job for your next build, you don’t have to settle for just good enough. Available in seven different Cerakote finishes, this RESOLUTE® Mk4 lower group comes with a suite of CMMG® parts and accessories you won’t find anywhere else. Lower group includes: CMMG RipStock ZEROED Drop-In Trigger ZEROED Pistol Grip ZEROED Trigger Guard ZEROED 60°/90° Ambi Safety ZEROED Ambi Mag Catch ZEROED Extended Mag Release Button ZEROED AR15 Bolt Catch ZEROED Drop-In Trigger: Designing a trigger that effortlessly sparks the most stubborn primers often conjures up the image of a trigger with a heavy pull, long travel, and a break that's more disappointing than getting socks for Christmas as a kid. The ZEROED™ Drop-In Trigger is none of those things.Made to ignite even the toughest steel case primers, the ZEROED trigger is compatible with a variety of AR platforms including AR15, AR10/LR-308, Mk47®, and DISSENT® firearms. With a 4.5lb pull weight and single-stage operation, the ZEROED trigger is a great choice for compact personal defense weapons and long-range precision rifles alike. Single-stage operation 4 - 4.5 lb Trigger pull Drop-in design Crisp break Short reset travel ZEROED anti-walk trigger pins included Specifications Platform Mk4 / AR-15 Lower Receiver Mk4 Forged 7075 T6 Aluminum Finish Cerakote Coyote Tan Pistol Grip CMMG ZEROED Pistol Grip Buffer Type Carbine Receiver Extension CMMG 6 Position Fastback w/Ambi Sling Plate Stock / Brace CMMG RipStock Trigger Type ZEROED Drop-In Single Stage Trigger Guard CMMG ZEROED Trigger Guard Safety Selector CMMG ZEROED 60/90 Degree Weight 2.2 lbs Length 14.9"   Informations: Compatible accessories see under this article, accessories  MADE IN THE USA

  Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a black hard coat anodized finish and can be assembled using any mil-spec Lower Parts Kit.   If you want to add some customization to your next AR build, consider upgrading to one of 10 different cerakote color options and pairing the Mk4 stripped lower with our Gunbuilder’s Lower Parts Kit and picking out the Trigger Guard, Pistol Grip, and Fire Control Group to make your project whatever you imagine. Don’t forget to check out CMMG’s Rifle Stock Kits and Pistol Brace Kits to round off the parts for the AR15 Mk4 stripped lower. MADE IN THE USA

  For years Glock-pattern magazines have been one of the most trusted, commonly available magazines for handguns and pistol caliber carbines. The MkGs® RESOLUTE® gives shooters the opportunity to build a pistol caliber carbine like no other, accepting both 9mm and .40 S&W Glock-pattern magazines, when paired with the matching caliber Radial Delayed Blowback™ upper. Available in seven different Cerakote finishes, RESOLUTE MkGs lowers come with a suite of meticulously engineered CMMG parts and accessories like: CMMG RipStock ZEROED Drop-In Trigger ZEROED Pistol Grip ZEROED 60°/90° Ambi Safety ZEROED AR15 Bolt Catch Compatibility: Only for CMMG MkGs and MkGs FE Radial Delayed Blowback Upper Receiver groups, this lower receiver does not have an integrated ejector! Compatible with all Double Stack Glock® and aftermarket magazines such as Magpul, Strike Industries etc. ZEROED Drop-In Trigger: Designing a trigger that effortlessly sparks the most stubborn primers often conjures up the image of a trigger with a heavy pull, long travel, and a break that's more disappointing than getting socks for Christmas as a kid. The ZEROED™ Drop-In Trigger is none of those things.Made to ignite even the toughest steel case primers, the ZEROED trigger is compatible with a variety of AR platforms including AR15, AR10/LR-308, Mk47®, and DISSENT® firearms. With a 4.5lb pull weight and single-stage operation, the ZEROED trigger is a great choice for compact personal defense weapons and long-range precision rifles alike. Single-stage operation 4 - 4.5 lb Trigger pull Drop-in design Crisp break Short reset travel ZEROED anti-walk trigger pins included Specifications Platform CMMG MkGs models only Caliber .40 S&W, 9mm Lower Receiver MkGs Forged 7075 T6 Aluminum Finish Cerakote Armor Black Pistol Grip CMMG ZEROED Pistol Grip Buffer Type Carbine Receiver Extension CMMG 6 Position Fastback w/Ambi Sling Plate Stock / Brace CMMG RipStock Trigger Type ZEROED Drop-In Single Stage Trigger Guard Integrated Safety Selector CMMG ZEROED 60/90 Degree Weight 2.4 lbs Length 14.9"   Informations: Only for CMMG MkGs Radial Delayed Blowback Upper Receiver groups, this lower receiver does not have an integrated ejector! Compatible accessories see under this article, accessories  MADE IN THE USA

  For years Glock-pattern magazines have been one of the most trusted, commonly available magazines for handguns and pistol caliber carbines. The MkGs® RESOLUTE® gives shooters the opportunity to build a pistol caliber carbine like no other, accepting both 9mm and .40 S&W Glock-pattern magazines, when paired with the matching caliber Radial Delayed Blowback™ upper. Available in seven different Cerakote finishes, RESOLUTE MkGs lowers come with a suite of meticulously engineered CMMG parts and accessories like: CMMG RipStock ZEROED Drop-In Trigger ZEROED Pistol Grip ZEROED 60°/90° Ambi Safety ZEROED AR15 Bolt Catch Compatibility: Only for CMMG MkGs and MkGs FE Radial Delayed Blowback Upper Receiver groups, this lower receiver does not have an integrated ejector! Compatible with all Double Stack Glock® and aftermarket magazines such as Magpul, Strike Industries etc. ZEROED Drop-In Trigger: Designing a trigger that effortlessly sparks the most stubborn primers often conjures up the image of a trigger with a heavy pull, long travel, and a break that's more disappointing than getting socks for Christmas as a kid. The ZEROED™ Drop-In Trigger is none of those things.Made to ignite even the toughest steel case primers, the ZEROED trigger is compatible with a variety of AR platforms including AR15, AR10/LR-308, Mk47®, and DISSENT® firearms. With a 4.5lb pull weight and single-stage operation, the ZEROED trigger is a great choice for compact personal defense weapons and long-range precision rifles alike. Single-stage operation 4 - 4.5 lb Trigger pull Drop-in design Crisp break Short reset travel ZEROED anti-walk trigger pins included Specifications Platform CMMG MkGs models only Caliber .40 S&W, 9mm Lower Receiver MkGs Forged 7075 T6 Aluminum Finish Cerakote Coyote Tan Pistol Grip CMMG ZEROED Pistol Grip Buffer Type Carbine Receiver Extension CMMG 6 Position Fastback w/Ambi Sling Plate Stock / Brace CMMG RipStock Trigger Type ZEROED Drop-In Single Stage Trigger Guard Integrated Safety Selector CMMG ZEROED 60/90 Degree Weight 2.4 lbs Length 14.9"   Informations: Only for CMMG MkGs Radial Delayed Blowback Upper Receiver groups, this lower receiver does not have an integrated ejector! Compatible accessories see under this article, accessories  MADE IN THE USA