AR-15 Kp-15 Complete Lower Receivers Mil-Spec Polymer - AR-15 Kp-15 Complete Lower Receiver Mil-Spec Polymer Black
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- Black, this page
- FDEout of stock
- OD Greenout of stock
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KE Arms
Overview
The KE Arms KP-15 Complete Lower Receiver is a fully assembled, mil-spec polymer lower designed for the AR-15 platform. It supports a multi-caliber configuration, allowing builders to easily customize their setups without being restricted to a single cartridge. This polymer lower is lightweight and durable, making it a practical choice for builds that commonly utilize a mid-length gas system.
Specifications
AR-15 Kp-15 Complete Lower Receivers Mil-Spec Polymer - AR-15 Kp-15 Complete Lower Receiver Mil-Spec Polymer Black
3 options
- Black, this page
- FDEout of stock
- OD Greenout of stock
Available Merchants(4)
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August 2026 on GunPartPicker
KE Arms AR-15 Kp-15 Complete Lower Receivers Mil-Spec Polymer - AR-15 Kp-15 Complete Lower Receiver Mil-Spec Polymer Black ranked #195 of the 507 lower receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #183 of the 1,002 lower receivers builders have added. Builds with this lower receiver are split between .223 Remington (25%) and .223 Wylde (25%), split between carbine-length (50%) and rifle-length (50%) gas systems, and nearly all AR-15.
It was hard to find in August 2026, in stock on only 10 of the 21 days we checked, and today only AT3 Tactical has it in stock. Prices barely moved in August 2026, holding around $179.96, so there haven't been real sales lately. Buying today, the lowest price is $179.96 at AT3 Tactical, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 15 builds that include this one
CMMG MK/4 AR-15 Upper Receiver Assembly Armor Black
NBS Enhanced AR-15 Mil-Spec Charging Handle
Criterion Barrels 20" .223 Wylde Core Phosphate/Chrome-Lined Rifle Length Barrel 1:8 Twist
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Primary Arms SLx 1X MicroPrism with RDB Illuminated T-Dot Reticle - H1/T1 Footprint
Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - Phosphate
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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.
Builds Featuring This Part
See all 1 →Builds in the community that include the Ar-15 Kp-15 Complete Lower Receivers Mil-Spec Polymer - Ar-15 Kp-15 Complete Lower Receiver Mil-Spec Polymer Blk
| Build | Parts | Total |
|---|---|---|
 | 13 | $1657.10 |
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