Description
Spike’s Tactical ST-15 Spider Stripped Lower Receiver – Multi-Caliber | Bullet Markings | Forged 7075-T6 Aluminum
Spikes Lower Receiver Stripped ST-15 Spider, Bullet Marking, The iconic foundation of countless AR builds, the Spike’s Tactical ST-15 Spider Stripped Lower Receiver is a favorite among professional builders and tactical enthusiasts. Featuring the instantly recognizable Spider logo on the magwell and bullet pictogram selector markings, this lower delivers a perfect balance of style, strength, and MIL-SPEC reliability.
CNC machined from high-strength 7075-T6 forged aluminum, the ST-15 is finished in a rugged Type III Class 2 hardcoat anodizing for corrosion and wear resistance. It’s a multi-caliber lower, ready for .223 Rem, 5.56 NATO, and a variety of AR-15-compatible calibers. Designed to MIL-SPEC dimensions, it pairs seamlessly with standard upper receivers and lower parts kits for a tight, reliable fit. …
The Spike’s Tactical Spider Lower is the standard lower receiver that all ST-15 LE rifles are built on, featuring the Spike’s Spider logo engraved prominently on the left side of the magwell. Spike’s Tactical stripped lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day, you can’t go wrong with Spike’s lower receivers.
Key Features of Spikes Lower Receiver Stripped ST-15 Spider, Bullet Marking:
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Multi-Caliber Compatibility – supports .223 Rem / 5.56 NATO and more
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7075-T6 forged aluminum construction – lightweight yet incredibly durable
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Bullet pictogram selector markings – clear and stylish fire control icons
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Spike’s Tactical Spider logo – aggressive, custom look
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Type III Class 2 hardcoat anodized finish – meets MIL-A-8625F for longevity
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MIL-SPEC dimensions – fits all standard AR-15 components
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Made in the USA – precision built for serious shooters
Why Choose the ST-15 Spider Lower?
This lower isn’t just tough—it’s tactical. Whether you’re assembling a battle-ready rifle, a range gun, or a custom build with attitude, the ST-15 Spider lower receiver gives your AR-15 the rock-solid reliability and standout style Spike’s Tactical is known for.
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