Description

San Tan Tactical, STT-15 Billet Lower Receiver, Multi-Caliber, Black Anodized Finish

The San Tan Tactical STT-15 Billet Lower Receiver delivers exceptional craftsmanship, rugged durability, and tight tolerances for serious AR-15 builders. Precision CNC-machined from a single piece of 7075-T6 billet aluminum, this multi-caliber lower receiver is built for strength, reliability, and long-term performance. Its sleek black hardcoat anodized finish not only adds corrosion resistance but gives your rifle a clean, professional look.

Perfect for custom builds, tactical applications, or competition rifles, the STT-15 sets the standard for premium billet AR lowers.

San Tan’s STT-15 Billet Lower features an ambidextrous design for your AR-15\M4 platform, which allows it to accommodate any and all shooters without the need to add countless costly add-ons. It is directly from a billet of 7075-T651 aerospace grade American aluminum and holds ultra-tight tolerances. The finished receiver is then finished in Mil-Spec, MIL-A-8625 Type III hard anodizing. The STT-15 is everything you have come to expect from a San Tan Tactical, and then some. NOTE: Requires a lower parts kit, buffer & stock of your choosing to complete.

San Tan Tactical STT-15 Billet Lower Receiver – Multi-Caliber | AR-15 Platform | Black Hardcoat Anodized | Precision CNC-Machined

San Tan’s STT-15 Billet Lower features an ambidextrous design for your AR-15\M4 platform, which allows it to accommodate any and all shooters without the need to add countless costly add-ons. It is directly from a billet of 7075-T651 aerospace grade American aluminum and holds ultra-tight tolerances. The finished receiver is then finished in Mil-Spec, MIL-A-8625 Type III hard anodizing. The STT-15 is everything you have come to expect from a San Tan Tactical, and then some...

Key Features of San Tan Tactical, STT-15 Billet Lower Receiver, Multi-Caliber, Black Anodized Finish:

• Platform: AR-15

• Caliber: Multi-caliber compatible – .223 Rem, 5.56 NATO, .300 BLK, and more

• Material: Aerospace-grade 7075-T6 billet aluminum

• Finish: MIL-SPEC Type III Class 2 hardcoat anodizing – matte black

• Design: Oversized and flared magwell for faster reloads

• Tension Screw: Adjustable receiver tension screw to eliminate upper/lower slop

• Integrated Features: Enhanced trigger guard, beveled edges for comfort and control

• Compatibility: MIL-SPEC parts and upper receiver compatibility

• Made in the USA – engineered and manufactured by San Tan Tactical in Arizona

Why Choose the STT-15 Billet Lower?

The San Tan Tactical STT-15 is a go-to choice for builders who demand flawless machining, a tight fit, and high-end performance. It’s a high-quality foundation for any precision AR build, blending aesthetic appeal with combat-ready features.

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