KE Arms

Wwsd 2021 Complete Lower Receiver - Kp-15 Complete Lower Receiver - Black - Multi-Caliber

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KE Arms Wwsd 2021 Complete Lower Receiver - Kp-15 Complete Lower Receiver - Black - Multi-Caliber - Lower Receiver for AR-15 - view 1
KE Arms Wwsd 2021 Complete Lower Receiver - Kp-15 Complete Lower Receiver - Black - Multi-Caliber - Lower Receiver for AR-15 - view 2
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KE Arms

Overview

The KE Arms WWS 2021 Complete Lower Receiver is a fully assembled component designed for AR-15 builds, offering versatility with its multi-caliber capability. Constructed from durable polymer, this black lower receiver provides a lightweight option without sacrificing functionality, making it suitable for various shooting applications. This receiver is commonly found in multi-caliber builds, allowing builders to easily switch between different ammunition types.

Specifications

MPN1-61-01-014
PlatformAR-15
AssemblyComplete
ColorBlack
StylePolymer
CaliberMulti
MaterialPolymer

Available Merchants(1)

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$550
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Build history on GunPartPicker

Builders have been adding the KE Arms Wwsd 2021 Complete Lower Receiver - Kp-15 Complete Lower Receiver - Black - Multi-Caliber to their builds on GunPartPicker since February 2026. All time, it ranks #451 of the 1,051 lower receivers builders have added.

It was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $549.99 at Brownells for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger$335in 20% of them
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Charging Handle$155in 20% of them
Timber Creek Outdoors Billet Dust Cover - Flat Dark Earth

Timber Creek Outdoors Billet Dust Cover - Flat Dark Earth

Dust Cover$24in 20% of them
Magpul M-LOK Handstop KIT - Black

Magpul M-LOK Handstop KIT - Black

Foregrip$17in 20% of them
Radian Forward Assist - 7075 Aluminum - Black

Radian Forward Assist - 7075 Aluminum - Black

Forward Assist$45in 20% of them
Bravo Company M16 Bolt Carrier Group Black

Bravo Company M16 Bolt Carrier Group Black

Bolt Carrier Group$199in 20% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

70.8%
5.56 NATO70.8%
300 Blackout8.3%
.223 Wylde8.1%
.308 Win4.9%
9mm2.7%
Other5.3%

Gas System

51.5%
Mid-Length51.5%
Carbine25.2%
Pistol10.9%
Rifle10.9%
Blowback1.2%
Other0.3%

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