PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear MBUS

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PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear MBUS - Upper Receiver for AR-15 - view 1
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Palmetto State Armory

Overview

The PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly is a complete upper receiver designed for versatility and reliability. With a 16-inch barrel and a 1:7 twist rate, this assembly optimizes stabilization for a wide range of bullet weights, making it suitable for various applications, from target shooting to home defense. The carbine-length gas system ensures smooth cycling and reduced recoil, while the FDE finish adds a tactical look to your build. This upper assembly is commonly found in builds focused on both practicality and aesthetics.

Specifications

MPN5165448512
ColorFDE
Twist Rate1:7
Caliber5.56 NATO
Gas System LengthCarbine
AssemblyComplete
Barrel Length16
PlatformAR-15
Receiver TypeM4

Available Merchants(1)

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$339.99

Build history on GunPartPicker

Builders have added the PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear MBUS to their builds on GunPartPicker since July 2026. Since April 2026, it ranks #662 of the 2,050 upper 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 the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $329.99, with no real sale all month. Buying today, the lowest price is $339.99 at Palmetto State Armory.

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