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Lower Receivers

Looking for an AR15 lower receiver or lower receiver assembly? We have you covered with all things lower receivers.



Complete Lowers

There's no need to mess around assembling a new AR lower receiver. Our complete lower groups are ready to run right out of the box!

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Stripped LowersCMMG

The lower receiver is the foundation every AR is built upon, so start your next rifle or pistol build with a precision-crafted CMMG stripped lower.

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Uppers and LowersStripped LowersComplete Lowers
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Lower Receiver Assembly, Mk17, 9mm, P320
Starting at $274.95
Lower Receiver Assembly, Mk17, 9mm, P320Mk17, 9mm
5 star rating

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Lower Receiver Assembly, MkGs(Lower receiver, mag catch, BHO Linkage)
Starting at $274.95
Lower Receiver Assembly, MkGs(Lower receiver, mag catch, BHO Linkage)
4.4 star rating

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Lower Receiver Assembly, Mk10
Starting at $274.95
Lower Receiver Assembly, Mk10Mk10, 10mm
3.8 star rating

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Lower Receiver Assembly, MkG(Lower receiver, mag catch, BHO Linkage)
Starting at $274.95
Lower Receiver Assembly, MkG(Lower receiver, mag catch, BHO Linkage)MkG, .45 ACP
4.6 star rating

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Lower Receiver Sub-Assm, Mk9, 9mm Radial Delayed Blowback™
Starting at $174.95
Lower Receiver Sub-Assm, Mk9, 9mm Radial Delayed Blowback™Mk9, 9mm
4.6 star rating

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LOWER GROUP, ENDEAVOR, Mk4, Mil-Spec Trigger
Starting at $424.95
LOWER GROUP, ENDEAVOR, Mk4, Mil-Spec Trigger
0 star rating

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LOWER GROUP, ENDEAVOR, Mk3, Mil-Spec Trigger
Starting at $599.95
LOWER GROUP, ENDEAVOR, Mk3, Mil-Spec TriggerMk3, .308 WIN,6.5 Creedmoor
5 star rating

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LOWER GROUP, RESOLUTE, Mk4, Mil-Spec Trigger
Starting at $549.95
LOWER GROUP, RESOLUTE, Mk4, Mil-Spec TriggerMk4, .22 LR,.300 BLK,.350 Legend,4.6x30mm,5.56mm,5.56x45mm,6.5 Grendel,6mm ARC,9mm
5 star rating

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LOWER GROUP, RESOLUTE, Mk9, Radial Delayed Blowback, Mil-Spec Trigger
Starting at $549.95
LOWER GROUP, RESOLUTE, Mk9, Radial Delayed Blowback, Mil-Spec TriggerMk9, 9mm
5 star rating

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LOWER GROUP, RESOLUTE, Mk17, Mil-Spec Trigger
Starting at $649.95
LOWER GROUP, RESOLUTE, Mk17, Mil-Spec TriggerMk17, 9mm
0 star rating

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LOWER GROUP, RESOLUTE, MkGs, Mil-Spec Trigger
Starting at $649.95
LOWER GROUP, RESOLUTE, MkGs, Mil-Spec TriggerMkGs, .40 S&W,9mm
5 star rating

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LOWER GROUP, RESOLUTE, Mk10, Mil-Spec Trigger
Starting at $649.95
LOWER GROUP, RESOLUTE, Mk10, Mil-Spec TriggerMk10, 10mm
3 star rating

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LOWER GROUP, RESOLUTE, MkG, Mil-Spec Trigger
Starting at $649.95
LOWER GROUP, RESOLUTE, MkG, Mil-Spec TriggerMkG, .45 ACP
4.5 star rating

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LOWER GROUP, RESOLUTE, Mk57, Mil-Spec Trigger
Starting at $649.95
LOWER GROUP, RESOLUTE, Mk57, Mil-Spec TriggerMk57, 5.7x28mm
0 star rating

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LOWER GROUP, RESOLUTE, Mk3 / .308WIN, Mil-Spec Trigger
Starting at $699.95
LOWER GROUP, RESOLUTE, Mk3 / .308WIN, Mil-Spec TriggerMk3, .308 WIN,6.5 Creedmoor
5 star rating

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LOWER GROUP, PISTOL, BANSHEE, Mk4, 22LR, PIC RAIL END CAP, Mil-Spec Trigger
Starting at $424.95
LOWER GROUP, PISTOL, BANSHEE, Mk4, 22LR, PIC RAIL END CAP, Mil-Spec TriggerMk4, .22 LR
5 star rating

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Lower Receiver, Mk4/AR15
Starting at $174.95
Lower Receiver, Mk4/AR15
4.6 star rating

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Lower Receiver Assembly, Mk57
Starting at $274.95
Lower Receiver Assembly, Mk57Mk57, 5.7x28mm
5 star rating

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Lower Receiver Sub-Assm, Mk3/.308WIN
Starting at $324.95
Lower Receiver Sub-Assm, Mk3/.308WINMk3, .308 WIN,6.5 Creedmoor
5 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk4, Mil-Spec Trigger
Starting at $424.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk4, Mil-Spec Trigger
5 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk9, Mil-Spec Trigger
Starting at $424.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk9, Mil-Spec TriggerMk9, 9mm
0 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk17, Mil-Spec Trigger
Starting at $524.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk17, Mil-Spec TriggerMk17, 9mm
5 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk10, Mil-Spec Trigger
Starting at $524.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk10, Mil-Spec TriggerMk10, 10mm
0 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, MkG, Mil-Spec Trigger
Starting at $524.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, MkG, Mil-Spec TriggerMkG, .45 ACP
5 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk57, Mil-Spec Trigger
Starting at $524.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk57, Mil-Spec TriggerMk57, 5.7x28mm
0 star rating

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LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk3 / .308WIN, Mil-Spec Trigger
Starting at $599.95
LOWER GROUP, PISTOL, BANSHEE, PISTOL TUBE, Mk3 / .308WIN, Mil-Spec TriggerMk3, .308 WIN,6.5 Creedmoor
0 star rating

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Lower Group, RESOLUTE, Mk4, ZEROED Trigger
Starting at $649.95
Lower Group, RESOLUTE, Mk4, ZEROED Trigger
4 star rating

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Lower Group, ENDEAVOR, Mk3, ZEROED Trigger
Starting at $699.95
Lower Group, ENDEAVOR, Mk3, ZEROED Trigger
0 star rating

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Lower Group, ENDEAVOR, Mk4, ZEROED Trigger
Starting at $424.95
Lower Group, ENDEAVOR, Mk4, ZEROED Trigger
5 star rating

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Lower Group, RESOLUTE, Mk9, ZEROED Trigger, Radial Delayed Blowback
Starting at $649.95
Lower Group, RESOLUTE, Mk9, ZEROED Trigger, Radial Delayed BlowbackMk9, 9mm
0 star rating

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