PSA Freedom AR-15 Upper 5.56 16" Carbine 1:7 M4 Nitride, No BCG & CH - 507819
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Palmetto State Armory
Overview
The PSA Freedom AR-15 Upper features a complete assembly with a 16-inch barrel chambered in 5.56 NATO, designed to function with a carbine-length gas system. The 1:7 twist rate enhances stability for a variety of bullet weights, making it a versatile choice for different shooting applications. This upper is commonly found in builds that prioritize reliability and performance with the carbine gas system and 5.56 NATO caliber.
Specifications
PSA Freedom AR-15 Upper 5.56 16" Carbine 1:7 M4 Nitride, No BCG & CH - 507819
August 2026 on GunPartPicker
PSA Freedom AR-15 Upper 5.56 16" Carbine 1:7 M4 Nitride, No BCG & CH - 507819 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 #171 of the 1,636 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, but today the one retailer we track is out of stock. The best price crept up from $149.99 to $179.99 over August 2026. Listed prices start at $159.99 at Palmetto State Armory for when it comes back.
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