PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear MBUS
3 options
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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
PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear MBUS
3 options
August 2026 on GunPartPicker
PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - 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 July 2026. All time, it ranks #458 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.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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