Skip to main content
2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun! 2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun! 2 Day Free Trial! Multiple Monthly Giveaways 82,000+ Products at Wholesale Annual Giveaway - Win A Tacoma w/ A Belt-fed .50BMG 1,300+ Authorized Brands Members Get 20% Back On Holosun!
Announcements: 2 Day Free Trial. Multiple Monthly Giveaways. 82,000+ Products at Wholesale. Annual Giveaway. 1,300+ Authorized Brands. Members Get 20% Back On Holosun.
Filters
Spikes Tactical UPC 815648023331 MPN STU5435R2S

Spikes STU5435R2S Complete Upper 5.56x45mm NATO 16″ Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12″ SAR3 Free-Floating Handguard for AR-15

Member pricing
  • Caliber/Gauge .223 REM/5.56 NATO
  • Barrel Length 16"
  • Action .223 REM/5.56 NATO
Members-only pricing

FDC members buy at dealer pricing. Join free to unlock the price and add this to your cart.

Try FDC free today
ShippingShipping rates are shown to FDC members.
Direct shipShips to you directly from our distributor.
Secure checkout Authorized dealer Ships from our warehouse

Details

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.

Specifications

UPC

815648023331

Manufacturer

Manufacturer Part Number

STU5435R2S

Action

.223 REM/5.56 NATO

Barrel Finish

Black Phosphate

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Product Type

Complete

Rate of Twist

1:7"

Sights

None, Optic Ready

Shipping & Returns

All sales are final; we do not offer refunds or exchanges. Items that arrive damaged or defective are covered under the manufacturer's warranty — contact us within 5 days of delivery and we will help coordinate a claim.

×

Hazardous Materials (HAZMAT) Policy

×

NFA Suppressor Transfers — How This Works