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Palmetto State Armory
Overview
The PSA 16" Classic M4 Freedom Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a carbine-length gas system, this upper offers reliable cycling and performance, making it suitable for various shooting applications. Its distinctive OD Green finish adds a unique aesthetic, making it a popular choice for builds focused on tactical or outdoor themes.
PSA 16" Classic M4 Freedom Upper No BCG & Charging Handle, OD Green
Prices checked
PSA 16" Classic M4 Freedom Upper No BCG & Charging Handle, OD Green ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #456 of the 2,061 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. The best price crept up from $169.99 to $199.99 over October 2026. Buying today, the lowest price is $209.99 at Palmetto State Armory, above October's low of $169.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
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