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CMMG
Overview
The CMMG MK4/AR15 Stripped Lower Receiver - Armor Black is a lower receiver. Compare prices from multiple merchants and find the best deal.
Specifications
October 2026 on GunPartPicker
CMMG MK4/AR15 Stripped Lower Receiver - Armor Black ranked #335 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #389 of the 1,217 lower receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today only Dirty Bird Industries has it in stock. Buying today, the lowest price is $174.95 at Dirty Bird Industries.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
CMMG MK4/AR-15 Forward Assist Upper Receiver Assembly Armor Black
Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger
Geissele Automatics Geissele 5.56mm Reliability Enhanced Bolt Carrier Group & Gas Key 05-2992
Forward Controls Design Ambidextrous MCX Charging Handle - Black
FN AR-15 M16 Barrel 16 Mid-Length 5.56mm
Forward Controls Design 6315AE 5.56 Compensator - Allen Engineering - 1/2x28 - 6315AE
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the CMMG Mk4/AR15 Stripped Lower Receiver - Armor Black
| Build | Parts | Total |
|---|---|---|
 | 27 | $6963.05 |
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