Bravo Company

Bravo Company Manufacturing KD4 Spec 16" Mid Length Upper Receiver Group - MCMR-13 Handguard

All Bravo Company upper receivers
Bravo Company Manufacturing Kd4 Spec 16" Mid Length Upper Receiver Group - Mcmr-13 Handguard - Upper Receiver for AR-15 - view 1
Bravo Company Manufacturing Kd4 Spec 16" Mid Length Upper Receiver Group - Mcmr-13 Handguard - Upper Receiver for AR-15 - view 2
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Bravo Company

Overview

The Bravo Company Manufacturing Kd4 Spec 16" Mid Length Upper Receiver Group features a complete assembly with a 16-inch barrel and a mid-length gas system, making it a solid choice for those looking to maximize reliability and performance in their AR-15 builds. The 1:7.7 twist rate is optimized for stabilizing a wide range of projectiles, which is particularly beneficial for shooters who want versatility in ammunition selection. This upper receiver group is commonly found in builds that utilize a mid-length gas system and are chambered in 5.56 NATO, catering to builders seeking a balanced setup for various shooting applications.

Specifications

MPNBCM-URG-KD4-MCMR
Barrel Length16
Twist Rate1:7.7
PlatformAR-15
Gas System LengthMid-Length
AssemblyComplete

Available Merchants(1)

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Bravo Company USA logo
Bravo Company USA
~$12.95 est. shipping
Shipping Speed
Out of Stock
$958
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Build history on GunPartPicker

Builders on GunPartPicker first added the Bravo Company Manufacturing KD4 Spec 16" Mid Length Upper Receiver Group - MCMR-13 Handguard to a build in August 2026.

Today the one retailer we track is out of stock. Listed prices start at $957.95 at Bravo Company USA for when it comes back.

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Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

70.2%
5.56 NATO70.2%
300 Blackout8.7%
.223 Wylde7.9%
.308 Win4.9%
9mm2.8%
Other5.4%

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