Palmetto State ArmoryAll Palmetto State Armory upper receivers

PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196

Palmetto State Armory PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196

Palmetto State Armory

Overview

The PSA 10.5" Carbine-Length 5.56 NATO Upper is a complete assembly designed for AR-15 platforms, featuring a 10.5-inch barrel that offers a balance of maneuverability and performance. With a 1:7 twist rate, this upper is optimized for stabilizing a wide range of bullet weights, making it versatile for various ammunition types. Commonly found in builds that prioritize a carbine gas system and fire 5.56 NATO rounds, this upper is suitable for tactical applications and compact setups.

Specifications

Barrel Length10.5
PlatformAR-15
AssemblyComplete
Caliber5.56 NATO
Twist Rate1:7
Gas System LengthCarbine
Material7075-T6 Aluminum

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Build history on GunPartPicker

Builders on GunPartPicker first added the PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-LOK Upper With BCG & CH - 5165449196 to a build in February 2026. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.

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Frequently Built With

The part most often added in each category by the 12 builds that include this one

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NCSTAR PRO Series Sight Front/Rear Flip Up, Black - VMARFLC

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HEXMAG Rubber AR-15 Tactical Pistol Grip, Black - HX-HTG-Black

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Pistol Grip$23in 1 build

Builds Featuring This Part

See all 1 →

Builds in the community that include the PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-Lok Upper With BCG & CH - 5165449196

BuildPartsTotal
aero precision 10.5" 5.56 build
aero precision 10.5" 5.56		26$3066.37

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