PSA 16" M4 Carbine 1:7 Nitride 13.5" Lightweight M-Lok Freedom Upper w/ MBUS Sight Set - No BCG/CH
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Palmetto State Armory
Overview
The PSA 16" M4 Carbine Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel optimized for 5.56 NATO caliber ammunition. With a 1:7 twist rate, this upper effectively stabilizes a wide range of bullet weights, making it versatile for various shooting applications. The carbine-length gas system ensures reliable cycling and performance, while the included M-Lok rail allows for easy attachment of accessories. This upper is commonly used in standard tactical builds and lightweight configurations, perfect for builders seeking a reliable and adaptable setup.
Specifications
PSA 16" M4 Carbine 1:7 Nitride 13.5" Lightweight M-Lok Freedom Upper w/ MBUS Sight Set - No BCG/CH
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Build Configuration Breakdown
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Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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