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Palmetto State Armory
Overview
The PSA 16" Nitride 1:7 M4 Carbine Upper Assembly is a complete upper designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a carbine-length gas system and a 1:7 twist rate, this upper provides reliable cycling and optimal stabilization for a wide range of bullet weights. Its OD Green finish adds a tactical aesthetic, making it a popular choice for builds focused on functionality and style.
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
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas BlockAggregated and anonymized data showing how builders use 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 | 260 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 231 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 166 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 161 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 143 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Carbine | 100% |
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