California Proposition 65 Warning
This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.
CMMG
MK4
$174.95
Available
CMMG MK4, Semi-automatic, Stripped Lower Receiver, 223 Remington/5.56 NATO, Cerakote Finish, Armor Black 55CA102-AB
Key Details
Brand
CMMG
Manufacturer Part Number
55CA102-AB
UPC
810097506466
SKU
CMMG55CA102-AB
Current Stock
49 available
Quantity Updated
Sep 6, 2026 10:31 AM
Already have an account from an in-store purchase? Log in to use that profile for checkout and future orders.
Continue Shopping
Purchase Requirements
- This product requires FFL processing before pickup or transfer.
- Age verification is required before checkout completion.
- California compliance or distributor restriction review may apply.
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
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.
Features
- 7075 T6 Aluminum
- Cerakoted Armor black
- 223 Remington/5.56 NATO
Specifications
UPC:
810097506466
Manufacturer:
CMMG
Manufacturer Part #:
55CA102-AB
Model:
MK4
Action:
Semi-automatic
Barrel Length:
N/A
Capacity:
N/A
Finish:
Cerakote
Type:
Stripped Lower Receiver
Recommended for you
