PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle KIT - 507617
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Palmetto State Armory
Overview
The PSA 16" M4 Carbine Length 5.56 NATO rifle kit offers a complete upper receiver designed for the AR-15 platform. With a 16-inch barrel and a carbine-length gas system, this assembly is optimized for reliable cycling and accuracy, while the 1:7 twist rate ensures compatibility with a wide range of bullet weights. This upper is commonly found in versatile builds that prioritize both performance and maneuverability, making it suitable for various shooting applications.
Specifications
PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle KIT - 507617
Available Merchants(1)
Prices checked
Price Alert
Price and stock
Availability is good for the PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle KIT - 507617: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $359.99, so there haven't been real sales lately. Buying today, the lowest price is $359.99 at Palmetto State Armory, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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