Palmetto State ArmoryAll Palmetto State Armory upper receivers

PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 15" Lightweight M-LOK Upper w/ NIB BCG, CH, & MBUS Sights

Palmetto State Armory PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 15" Lightweight M-LOK Upper w/ NIB BCG, CH, & MBUS Sights

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 1:7 twist rate. The mid-length gas system offers a balance of reliability and recoil management, making it suitable for a variety of shooting applications. This upper is commonly found in builds that prioritize lightweight configurations and enhanced maneuverability, making it ideal for general shooting and tactical use.

Specifications

Barrel Length16
Gas System LengthMid-Length
PlatformAR-15
Caliber5.56 NATO
AssemblyComplete
Twist Rate1:7
Material7075-T6 Aluminum

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September 2026 on GunPartPicker

PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 15" Lightweight M-LOK Upper w/ NIB BCG, CH, & MBUS Sights ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #321 of the 1,654 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.

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Frequently Built With

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

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Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002

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Geissele Automatics AR-15 SSA X Lightning Bow Trigger

Geissele Automatics AR-15 SSA X Lightning Bow Trigger

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Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Charging Handle$155in 12% of them
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip$24in 12% of them
Bravo Company M16 Bolt Carrier Group Black

Bravo Company M16 Bolt Carrier Group Black

Bolt Carrier Group$199in 10% of them
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black

Magpul AR-15 MOE Stock Collapsible Mil-Spec Black

Stock & Brace$34in 7% of them

Builds Featuring This Part

See all 1 →

Builds in the community that include the PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 15" Lightweight M-LOK Upper w/ NiB BCG, CH, & MBUS Sights

BuildPartsTotal
for hunting hogs 16" build
for hunting hogs 16"		27$2001.46

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