Great billet lower from SilencerCo. The machining is excellent, and it provided a very stable platform for my 5.56 build. No issues during assembly at all. Looks great too.




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SilencerCo
Overview
The SilencerCo AR-15 Billet Lower Receiver is a stripped lower designed specifically for the AR-15 platform, crafted from high-quality billet aluminum with a hardcoat anodized finish in black. This lower receiver is suitable for the 5.56 NATO caliber, providing a solid foundation for your build while enhancing the overall aesthetics and rigidity of the firearm. Commonly found in builds featuring a mid-length gas system, it offers versatility for various shooting applications.
Based on build data

SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black

Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized

Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition

Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK

Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Charging Handle
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black | 5 | |
| Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized | 4 | |
| Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition | 3 | |
| Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK | 3 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | Charging Handle | 3 |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 65% |
| 300 Blackout | 20% |
| .223 Wylde | 10% |
| 6mm ARC | 5% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 40% |
| Pistol | 26.7% |
| Rifle | 20% |
| Carbine | 13.3% |
Builds in the community that include the Silencerco Ar-15 Billet Lower Receiver
| Build | Parts | Total |
|---|---|---|
![]() | 13 | $2658.31 |
![]() | 20 | $2523.25 |
![]() | 14 | $1154.47 |
![]() | 16 | $2673.63 |
![]() | 12 | $1576.33 |
![]() | 19 | $1347.18 |
![]() | 9 | $1042.61 |
![]() | 17 | $1432.13 |
1 global rating
Great billet lower from SilencerCo. The machining is excellent, and it provided a very stable platform for my 5.56 build. No issues during assembly at all. Looks great too.