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Knights Armament
Overview
The Knights Armament SR-15 IWS Lower Receiver is a complete assembly designed specifically for the AR-15 platform, crafted from durable 7075-T6 aluminum and finished with a hardcoat anodized treatment for enhanced wear resistance. It features non-ambidextrous controls and is compatible with the 5.56 NATO caliber, making it a reliable choice for standard builds. This lower receiver is commonly found in carbine gas system configurations, providing builders with a solid foundation for their rifles.
Based on build data

Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger

SureFire X300-A Turbo Weapon Light - 650 Lumens - Tan

Knights Armament Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok

Knights Armament Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok

Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger

Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger | 6 | |
| SureFire X300-A Turbo Weapon Light - 650 Lumens - Tan | 4 | |
| Knights Armament Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok | 4 | |
| Knights Armament Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok | 4 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 4 | |
| Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 77.8% |
| .223 Wylde | 22.2% |
| Gas System | Percentage |
|---|---|
| Carbine | 66.7% |
| Mid-Length | 33.3% |
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