Knights Armament Sr-15 Iws Lower Receiver Complete
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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.
Specifications
Available Merchants(3)
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Frequently Built With
Based on build data
Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
B.E. Meyers MAWL DA IR Illuminator and Pointing Laser w/ Green Visible Laser - Flat Dark Earth - LAW ENFORCEMENT ONLY
Knights Armament Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok
Knights Armament Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok
NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC
Build 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 |
|---|---|---|
| Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger | 6 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 5 | |
| B.E. Meyers MAWL DA IR Illuminator and Pointing Laser w/ Green Visible Laser - Flat Dark Earth - LAW ENFORCEMENT ONLY | 4 | |
| Knights Armament Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok | 4 | |
| Knights Armament Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok | 4 | |
| NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC | 4 |
| 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% |
Builds Featuring This Part
See all 3 →Builds in the community that include the Knights Armament Sr-15 Iws Lower Receiver Complete
| Build | Parts | Total |
|---|---|---|
 | 7 | $1966.08 |
 | 6 | $2078.48 |
| 7 | $2248.47 |
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