Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR-15 stripped 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 Armor Black finish and can be assembled using any mil-spec Lower Parts Kit.
Additional information
Weight
12 lbs
Dimensions
10.75 × 4.5 × 2.25 in
Brand
Cmmg
Color
Black
Material
Aluminum
Lower type
Stripped
Compliance firearm type
Ar pattern
Compliance item type
Lowers
Model
Mk4
Finish
Cerakote
Action
Semi-automatic
Is ffl required
1
Hazard ground
2025-06-02t00:00:00+00:00
Type
Stripped
Series
Lower receiver
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