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Radical Firearms
Overview
The Radical Firearms Complete AR-15 Lower Receiver is a fully assembled lower designed to streamline your build process. It features a hardcoat anodized finish for durability, and it's compatible with standard AR-15 components, including a trigger pin diameter of .154 inches. This lower receiver is frequently found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a solid choice for those looking to create a reliable and versatile firearm.
Based on build data

Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers

Radical Firearms 5.56 Barreled Ar-15 Upper - 16" - Primary Arms Exclusive
Upper Receiver
Magpul RVG Rail Vertical Grip - Black
Foregrip
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger

Daniel Defense Big Hole Flat Top Upper Receiver w/Feed Ramps 04-012-09001

Radian Weapons Ar-15 Raptor Sd-Sl Ambidextrous Charging Handle Black
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 2 | |
| Radical Firearms 5.56 Barreled Ar-15 Upper - 16" - Primary Arms Exclusive | Upper Receiver | 2 |
| Magpul RVG Rail Vertical Grip - Black | Foregrip | 1 |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 1 | |
| Daniel Defense Big Hole Flat Top Upper Receiver w/Feed Ramps 04-012-09001 | 1 | |
| Radian Weapons Ar-15 Raptor Sd-Sl Ambidextrous Charging Handle Black | 1 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 66.7% |
| Pistol | 33.3% |
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