Palmetto State ArmoryAll Palmetto State Armory upper receivers

PSA 10.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - With BCG & CH - 5165449682

Palmetto State Armory PSA 10.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH - 5165449682 - Upper Receiver for AR-15 - view 1

Palmetto State Armory

Overview

The PSA 10.5" 5.56 NATO upper receiver is a complete assembly designed for the AR-15 platform, featuring a 10.5-inch barrel with a 1:7 twist rate, which stabilizes a wide range of bullet weights for optimal accuracy and performance. Made from durable 7075-T6 aluminum, this upper is lightweight yet robust, making it suitable for various applications, including close-quarters engagements. This upper is frequently found in builds focused on the 5.56 NATO caliber, providing builders with a compact and versatile option for their firearms.

Specifications

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

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Build history on GunPartPicker

Builders on GunPartPicker first added the PSA 10.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - With BCG & CH - 5165449682 to a build in February 2026.

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Frequently Built With

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

PSA Sabre-15 Forged Lower with Sabre Stock and Grip, Black

PSA Sabre-15 Forged Lower with Sabre Stock and Grip, Black

Lower Receiver$280in 13% of them
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip$24in 25% of them
Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch

Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch

Light$120in 25% of them
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black

Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black

Charging Handle$50in 25% of them
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN

EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN

Optic$1,289in 13% of them
Magpul AR-15 STR Stock Collapsible Commercial Black

Magpul AR-15 STR Stock Collapsible Commercial Black

Stock & Brace$61 · out of stockin 13% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

50.4%
Mid-Length50.4%
Carbine25.9%
Pistol11.1%
Rifle11%
Blowback1.3%
Other0.3%

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