Palmetto State Armory All Palmetto State Armory upper receivers

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

Name: PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, OD Green - with BCG/CH & Rear MBUS
Brand: Palmetto State Armory
SKU: 77932952
Price: 329.99 USD
Availability: InStock

3 options

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

Palmetto State Armory PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, OD Green - with BCG/CH & Rear Mbus - Upper Receiver for AR-15 - view 2

Palmetto State Armory PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, OD Green - with BCG/CH & Rear Mbus - Upper Receiver for AR-15 - view 3

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

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Palmetto State Armory

Overview

The PSA 16" Nitride 1:7 M4 Carbine Upper Assembly is a complete upper designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a carbine-length gas system and a 1:7 twist rate, this upper provides reliable cycling and optimal stabilization for a wide range of bullet weights. Its OD Green finish adds a tactical aesthetic, making it a popular choice for builds focused on functionality and style.

Specifications

MPN77932952

Caliber5.56 NATO

Barrel Length16

Gas System LengthCarbine

AssemblyComplete

PlatformAR-15

ColorOD Green

Twist Rate1:7

Receiver TypeM4

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

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Available Merchants(1)

Prices checked Sep 29, 2026

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$330

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August 2026 on GunPartPicker

PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, OD Green - with BCG/CH & Rear MBUS ranked #291 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #375 of the 1,636 upper receivers builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $329.99, so there haven't been real sales lately. Buying today, the lowest price is $329.99 at Palmetto State Armory, which matches the best price we saw in August.

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Updated Sep 29, 2026 · from real builds on GunPartPicker · Prices checked Sep 29, 2026 · refreshed daily across 35 retailers