The San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black is a modern sporting AR built for folks who need a rifle that works every time—no excuses. Chambered in .223 Rem / 5.56 NATO, this platform starts with matched, hand-finished pillar billet sets that lock up tight. The 16-inch barrel balances handling with velocity, and the fully ambidextrous lower makes it usable for right- or left-handed shooters. Finished in hardcoat black anodizing, this rifle is intended for range use, training, and general-purpose applications where reliability is non-negotiable.
| Manufacturer | San Tan Tactical |
|---|---|
| Model | STT-15 |
| Material | 7075-T6 billet aluminum (upper and lower), per manufacturer specs |
| Compatibility | .223 Rem / 5.56 NATO |
| Finish | Type III hardcoat black anodizing |
| Weight | 6.8 lbs (approx., unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Matched, hand-finished pillar billet sets – Why it matters: The upper and lower are cut from the same billet block and hand-fit, so there’s zero slop. No wobble means better accuracy and a solid feel when you shoulder it.
- Fully ambidextrous lower with three QD points – Why it matters: Left-handed shooters don’t have to adapt. Mag release, bolt catch, and safety are mirrored on both sides. Three quick-detach sling sockets let you swap between single-point and two-point setups fast.
- 16-inch barrel with carbine-length gas system – Why it matters: That barrel length keeps the rifle handy in tight spaces (trucks, barns, brush) while still pushing 5.56 out to 500 yards reliably. The carbine gas system cycles clean with most factory loads.
- 30-round magazine included – Why it matters: Comes with a standard-capacity magazine right out of the box. No hunting for mags before your first range trip.
- Hardcoat black anodizing – Why it matters: This finish resists scratches, corrosion, and wear from dirt, sweat, and rain. It’s the same coating used on duty-grade rifles.
Who It’s For
This rifle is built for ranchers, rural property owners, and anyone who needs a general-purpose carbine that can handle varmint control, target practice, or training. If you’re left-handed or run a sling-heavy setup, the ambi controls and QD points save you hassle. It’s not a safe queen—it’s a working tool.
Pros & Cons
- Pros: Rock-solid fit from matched billet sets; full ambi controls without aftermarket parts; three QD points for modular sling use; 16-inch barrel balances reach and maneuverability.
- Cons: The billet upper/lower adds weight compared to forged receivers—this rifle runs about 6.8 lbs empty, which is a half-pound heavier than some budget builds. If you’re counting ounces for competition, look elsewhere.
Comparison: San Tan Tactical STT-15 vs. Zev Technologies Mega Maten vs. Geissele Super Duty
| Feature | San Tan Tactical STT-15 | Zev Technologies Mega Maten | Geissele Super Duty |
|---|---|---|---|
| Receiver Material | 7075-T6 billet (matched sets) | 7075-T6 billet | 7075-T6 forged |
| Ambi Controls | Full ambi (mag, bolt, safety) | Partial ambi (safety only) | Full ambi (bolt and mag) |
| QD Sling Points | 3 (integrated) | 1 (rear) | 2 (rear and front) |
| Weight (empty) | 6.8 lbs | 7.0 lbs | 6.5 lbs |
| Price | $1506.99 | $1899.00 | $1699.00 |
Bottom line: The STT-15 undercuts both on price while giving you full ambi controls and three QD points—Zev only offers partial ambi, and Geissele’s forged receiver doesn’t have the same billet fit. The trade-off is weight: the STT-15 is a touch heavier than the Geissele Super Duty.
FAQ
Is this rifle compatible with standard AR-15 parts?
Yes. The San Tan Tactical STT-15 uses mil-spec barrel extensions, bolt carriers, triggers, and buffer tubes. You can swap handguards, stocks, and grips without fitting issues.
Does the 16-inch barrel require a tax stamp or NFA registration?
No. A 16-inch barrel with a standard-length stock is a rifle under federal law. No tax stamp needed. It ships to your FFL like any other rifle.
What magazines does it accept?
Any standard AR-15/M16-pattern magazine. It ships with a 30-round Magpul or equivalent magazine. PMAGs, GI mags, and Lancer mags all work.
Can I use this for left-handed shooting out of the box?
Yes. The lower has an ambidextrous magazine release, bolt catch, and safety selector. Left-handed shooters can operate all controls without swapping parts.
Trust & Delivery
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
According to industry data, the AR-15 platform accounts for over 40% of modern sporting rifle sales in the U.S. The San Tan Tactical STT-15 fits right into that market with a billet build that holds up to daily use.
Browse more in our AR Rifles or check out Parts & Accessories for upgrades.
FFL Transfer & Firearms Laws for San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black
All firearms, including the San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: AR Rifles.
What tags or features does this product have?
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Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
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FFL Transfer & Firearms Laws
All firearms, including the San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the San Tan Tactical STT-15 5.56 NATO 16 in 30rd Black is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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