Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Gray - STS1515
All Spike's Tactical lower receivers
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Spike's Tactical
Overview
The Spike's Tactical Upper/Lower Receiver set is designed for the AR-15 platform and is chambered in .223 Wylde, allowing for versatility in ammunition selection. The gray finish adds a unique aesthetic while maintaining the durability expected from Spike's Tactical products. This receiver set is commonly found in builds utilizing a carbine gas system, making it a solid choice for those looking to optimize their rifle's performance.
Specifications
Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Gray - STS1515
October 2026 on GunPartPicker
Spike's Tactical Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Gray - STS1515 ranked #208 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #241 of the 1,221 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (75%, then .223 Wylde 20%), split between carbine-length (35%) and rifle-length (35%) gas systems, and nearly all AR-15.
It was hard to find in October 2026, in stock on only 8 of the 19 days we checked, and today only Primary Arms has it in stock. Prices barely moved in October 2026, holding around $234, with no real sale all month. Buying today, the lowest price is $234 at Primary Arms, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
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Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
Timber Creek Outdoors Ambidextrous Safety Selector - Black
Rise Armament Advanced Performance Trigger, Red - RA-535-RED-ARP
Wilson Combat Recon Barrel 5.56 18 Fluted Rifle Gas Stainless 1-8
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 builds →Builds in the community that include the Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Gray - STS1515
| Build | Parts | Total |
|---|---|---|
 | 28 | $5382.13 |
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