PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed MOE EPT SBA3 Pistol Kit
Palmetto State Armory
Overview
The PSA Gen4 10.5" 9mm Upper Receiver is a complete assembly designed for the AR-9 platform, featuring a compact 10.5-inch barrel optimized for 9mm ammunition. With a pistol-length gas system and a 1:10 twist rate, this upper receiver provides reliable cycling and stability for your shots. This kit is often used in builds aimed at maximizing maneuverability while maintaining performance, making it a solid choice for both personal defense and competitive shooting applications.
Specifications
PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed MOE EPT SBA3 Pistol Kit
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Frequently Built With
Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
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
Lower Receiver
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower ReceiverBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 360 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 259 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 230 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 166 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 160 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 142 |
| Platform | Percentage |
|---|---|
| AR-9 | 100% |
| Caliber | Percentage |
|---|---|
| 9mm | 100% |
| Gas System | Percentage |
|---|---|
| Pistol | 100% |
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