Builds/Lower Receiver
AR builds with the CMMG MK4 .223 Remington AR Lower
These are the parts builders picked most often in builds with the CMMG MK4 .223 Remington AR Lower finished on GunPartPicker. At today's lowest prices the median parts list comes to $1,304, and most land between $681 and $3,049. The most common caliber is 5.56 NATO.
Median parts total
$1,304
Typical range
$681 to $3,049
Top caliber
5.56 NATO
Most chosen parts in builds with the CMMG MK4 .223 Remington AR Lower
- Upper Receiver6%Bravo Company Mfg Upper Receiver Assembly
- Handguard19%TacFire Maximize Your AR-15's Potential
- Bolt Carrier Group20%Bravo Company M16 Bolt Carrier Group Black
- Trigger9%Timney Trigger AR-15 Competition 3lb Single Stage .154"
- Charging Handle11%Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging
- Muzzle Device13%Colt A2 Compensator .22 Caliber 1/2-28 Steel Black
- Gas Block24%Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
- Stock17%Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
- Buffer13%Geissele Automatics Super 42 Braided Buffer Spring and H3
- Pistol Grip15%B5 Systems Type 22 P-Grip
- Optic17%EOTECH XPS2-300 Blackout Holographic Weapon Sight
- Magazine Release29%CMMG AR15 Ambi Mag Catch
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | Bravo Company Mfg Upper Receiver Assemblybuilds | 6% |
| Handguard | TacFire Maximize Your AR-15's Potentialbuilds | 19% |
| Bolt Carrier Group | Bravo Company M16 Bolt Carrier Group Blackbuilds | 20% |
| Trigger | Timney Trigger AR-15 Competition 3lb Single Stage .154"builds | 9% |
| Charging Handle | Breek Arms AR-15 Warhammer MOD2 Ambidextrous Chargingbuilds | 11% |
| Muzzle Device | Colt A2 Compensator .22 Caliber 1/2-28 Steel Black | 13% |
| Gas Block | Wilson Combat AR-15 Lo-Profile Gas Block .750" Blackbuilds | 24% |
| Stock | Magpul AR-15 MOE Stock Collapsible Mil-Spec Blackbuilds | 17% |
| Buffer | Geissele Automatics Super 42 Braided Buffer Spring and H3builds | 13% |
| Pistol Grip | B5 Systems Type 22 P-Gripbuilds | 15% |
| Optic | EOTECH XPS2-300 Blackout Holographic Weapon Sight | 17% |
| Magazine Release | CMMG AR15 Ambi Mag Catchbuilds | 29% |
Brands these builds pair with
Frequently asked questions
How much does a build with the CMMG MK4 .223 Remington AR Lower cost?
The median parts list is $1,304, with most between $681 and $3,049, using each part's lowest in stock price today. Open any part for store by store prices.
What parts go with the CMMG MK4 .223 Remington AR Lower?
Bravo Company Mfg Upper Receiver Assembly is the most chosen upper receiver (6% of builds with one); TacFire Maximize Your AR-15's Potential is the most chosen handguard (19% of builds with one); Bravo Company M16 Bolt Carrier Group Black is the most chosen bolt carrier group (20% of builds with one); Timney Trigger AR-15 Competition 3lb Single Stage .154" is the most chosen trigger (9% of builds with one).
What calibers do builds with the CMMG MK4 .223 Remington AR Lower use?
Most run 5.56 NATO (64%), .223 Wylde (12%), 300 Blackout (8%), 6mm ARC (6%).
Shares come from builds finished on GunPartPicker. The price range totals a sample of recent builds at each part's lowest in stock price today; open a part for prices at every store. Want your own? Start an AR-15, AR-10 or AR-9 build.