The Spike’s Tactical ST-15 Enhanced upper line-up is designed as a fully
Mil-spec compliant upper series for law enforcement. This same level of
quality and performance is now available to everyone, all at a price range
that is affordable to shooters of any budget. Each component is
manufactured to Mil-spec standards. This model features 16″ with 1:7 Twist
cold hammer forged Mil-spec Barrel, ST Optimum Profile, Mid Length Gas
System, ST Micro Gas Block, .750″ Diameter Gas Seat, Spike’s Tactical
Mil-Spec M16 Bolt Carrier Group, ST BAR2 12″ Rail, and A2 flash hider.
Frequently Asked Questions About This Product
Why buy Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In 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 Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In?
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 Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In 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: RIFLES, Uppers.
What tags or features does this product have?
Key features and tags for this product include: RIFLES, Uppers.
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.
FFL Transfer & Firearms Laws for Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In
All firearms, including the Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In, 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 Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In 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.
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