PSA 16" Mid Length Pencil 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-LOK Upper w/ BCG and CH

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PSA 16" Mid Length Pencil 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-LOK Upper w/ BCG and CH - Upper Receiver for AR-15

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Palmetto State Armory

Overview

The PSA 16" Mid Length Pencil Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO with a mid-length gas system. The 1:7 twist rate allows for optimal stabilization of a wide range of bullet weights, making it versatile for various shooting applications. This upper is commonly found in lightweight builds, where reduced weight and improved maneuverability are essential for the user.

Specifications

SKU51655155569

Caliber5.56 NATO

PlatformAR-15

Gas System LengthMid-Length

AssemblyComplete

Twist Rate1:7

Barrel Length16

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PSA 16" Mid Length Pencil 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-LOK Upper w/ BCG and CH

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Build history on GunPartPicker

Builders on GunPartPicker first added the PSA 16" Mid Length Pencil 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-LOK Upper w/ BCG and CH to a build in July 2026.

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Updated Oct 11, 2026 · from real builds on GunPartPicker