CMMG MK4/AR15 Stripped Lower Receiver Midnight Bronze
3 options
- Coyote · Tanout of stock
- Midnight · Bronze, this page
- Tungstenfrom $131.99, in stock
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This is a serialized firearm.
CMMG
Overview
The CMMG Mk4/AR15 Stripped Lower Receiver in Midnight Bronze is a stripped lower designed for the AR-15 platform, allowing builders to customize their rifles from the ground up. With its multi-caliber capability, this receiver supports a variety of ammunition types, making it versatile for different shooting applications. Its Cerakote finish not only enhances its aesthetic appeal but also provides a durable surface resistant to wear. This lower is commonly found in builds that prioritize versatility in caliber selection.
Specifications
CMMG MK4/AR15 Stripped Lower Receiver Midnight Bronze
3 options
- Coyote · Tanout of stock
- Midnight · Bronze, this page
- Tungstenfrom $131.99, in stock
September 2026 on GunPartPicker
CMMG MK4/AR15 Stripped Lower Receiver Midnight Bronze ranked #47 of the 477 lower receivers builders added on GunPartPicker in September 2026, behind the Aero Precision AR-15 Pistol Complete Lower Receiver w/ A2 Grip - Black, with about 1 in every 333 lower receivers added to builds. Up from #278 in August. Builds with this lower receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was hard to find in September 2026, in stock on only 4 of the 7 days we checked, and today only MidwayUSA has it in stock. The best price drifted down from $131.99 to $97.95 over September 2026 without a real sale. Buying today, the lowest price is $131.99 at MidwayUSA, above September's low of $97.95, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
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