PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-LOK Upper With BCG, CH, & MBUS SIght Set - 516447488
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Palmetto State Armory
Overview
The PSA 16" Mid-Length 5.56 NATO Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16-inch barrel with a mid-length gas system that enhances reliability and reduces recoil. With a 1:7 twist rate, this upper is optimized for stabilizing a wide range of bullet weights, making it versatile for various shooting applications. This upper is frequently found in builds that prioritize smooth cycling and performance with 5.56 NATO ammunition.
Specifications
PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-LOK Upper With BCG, CH, & MBUS SIght Set - 516447488
Available Merchants
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Build history on GunPartPicker
Builders have been adding the PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-LOK Upper With BCG, CH, & MBUS SIght Set - 516447488 to their builds on GunPartPicker since April 2026. All time, it ranks #1013 of the 1,785 upper receivers builders have added.
Updated · from real builds on GunPartPicker
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