Silencerco Ar-15 Billet Lower Receiver

Silencerco Ar-15 Billet Lower Receiver - Lower Receiver for AR-15 - view 1
Silencerco Ar-15 Billet Lower Receiver - Lower Receiver for AR-15 - view 2
Silencerco Ar-15 Billet Lower Receiver - Lower Receiver for AR-15 - view 3
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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.

Specifications

MPNSU4766
ColorBlack
Material7075-T6 Aluminum
AssemblyComplete
FinishHardcoat Anodized
Caliber5.56 NATO
StyleBillet
PlatformAR-15

Available Merchants(5)

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MidwayUSA
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$269
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Classic Firearms
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BattleHawk Armory
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KY Gun Company
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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

65%
5.56 NATO65%
300 Blackout20%
.223 Wylde10%
6mm ARC5%

Gas System

40%
Mid-Length40%
Pistol26.7%
Rifle20%
Carbine13.3%
Frequently Built With Products
ProductCategoryTimes Built Together
SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black5
Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized4
Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition3
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK3
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small LeversCharging Handle3
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger3
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO65%
300 Blackout20%
.223 Wylde10%
6mm ARC5%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length40%
Pistol26.7%
Rifle20%
Carbine13.3%

Builds Featuring This Part

See all 8

Builds in the community that include the Silencerco Ar-15 Billet Lower Receiver

BuildPartsTotal
truck gun 8.3"
13$2658.31
Hog hunter 8.3" 300 blackout
20$2523.25
Silencerco 20" 5.56
14$1154.47
8.2" SBR
16$2673.63
16" build
12$1576.33
SilencerCo 16" 5.56
19$1347.18
30" build
9$1042.61
for home defense 8.2"
17$1432.13

Customer reviews

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1 global rating

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Top reviews

M
mapellinat_oif
Solid foundation for my build
Reviewed on April 25, 2026Verified with Build

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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