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Palmetto State Armory

PSA 8.5" PL 300AAC Phos 7" Mlok Upper No BCG & CH

Palmetto State Armory PSA 8.5" PL 300AAC Phos 7" Mlok Upper No BCG & CH - Upper Receiver for AR-15 - view 1

Palmetto State Armory

Overview

The PSA 8.5" PL 300AAC Upper Receiver is a complete assembly designed specifically for the AR-15 platform, featuring an 8.5-inch barrel optimized for the 300 Blackout cartridge. Its pistol-length gas system enhances reliability and reduces recoil, making it suitable for both suppressed and unsuppressed shooting. Builders often incorporate this upper in short-barreled rifle configurations, emphasizing compactness and maneuverability for various applications.

Specifications

Caliber300 Blackout
PlatformAR-15
Gas System LengthPistol
AssemblyComplete
Barrel Length8.5

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Frequently Built With

Based on build data

BLEM PSA AR15 Complete Classic Stealth Lower, Black

BLEM PSA AR15 Complete Classic Stealth Lower, Black

Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C

Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C

Charging Handle
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock

Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock

Lower Receiver
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green

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

Charging Handle
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom

Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom

Lower Receiver

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

100%
300 Blackout100%

Gas System

100%
Pistol100%
Frequently Built With Products
ProductCategoryTimes Built Together
BLEM PSA AR15 Complete Classic Stealth Lower, BlackLower Receiver360
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod CCharging Handle259
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine StockLower Receiver230
Magpul AFG-2 Angled Fore Grip - BlackForegrip166
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od GreenCharging Handle160
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - FreedomLower Receiver142
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
300 Blackout100%
Build Gas System Breakdown
Gas SystemPercentage
Pistol100%

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