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Spikes Tactical AR15 Upper 16" w/ 9" Quad Rail

$779.95 $754.95

(You save $25.00)

Usually Ships within 24-48 Hours

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Spikes Tactical AR15 Upper 16" Carbine w/ BCG + Charging Handle

The Spike's Tactical ST-15 LE 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 and backed by the Spike's Tactical Lifetime Warranty.

Spikes Tactical AR5 Complete Upper Features:


  • Spike's Tactical 16", 1:7 Twist, Mil-spec Barrel
  • M4 Barrel Profile, Carbine Length Gas System
  • ST Micro Gas Block, .750" Diameter Gas Seat
  • Spike's Tactical Mil-spec M16 Bolt Carrier Group
  • ST BAR Rail System
  • A2 Flash Hider
  • CNC Machined from a 7075 T6 MIL-H-6088 Forging
  • Extended M4 Feed Ramps Machined before Plating
  • Mil-Spec 1913 Picatinny Rail
  • MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish
  • Laser Engraved T-markings
  • Laser Engraved ST Spider logo
  • Interior MIL-L-46010 Dryfilm Lube
  • Mil-Spec Ejection Port Door Assembly with MIL-STD-171 Phosphate Finish
  • Mil-Spec Forward Assist Assembly with Tool Steel Pawl and MIL-STD-171 Phosphate Coating
  • Forged Mil-Spec Charging Handle with MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish

    Barrel Group

  • Barrel Steel is Certified MIL-B-11595E Chromoly Vanadium Alloy * Raw Barrel Steel is Magnetic Particle Inspected
  • Barrels are Stress Relieved
  • Mil-Spec M4 Barrel Extension with MIL-STD-171 Phosphate Finish
  • MIL-STD-171 Hard Chrome Chamber
  • MIL-STD-171 Hard Chrome Bore
  • 5.56mm Nato chamber
  • All Chambers are Individually Checked for Head Spacing Before and After Plating
  • All Barrels are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)
  • MIL-STD-171 Phosphate Finish on the Barrel Exterior, Including under the Front Sight Base
  • 1/2x28 Thread Pitch
  • Threads are Cut Concentric to the Bore
  • Gas Block or FSB is Pinned to the Barrel and Vertically Aligned
  • Rubber Coated Front Sling Loop
  • Mil-Spec 303 Stainless Steel Gas Tube enhanced with Melonite Finish
  • Muzzle Devices are Properly Timed and installed with Crush Washer

    Fore End Group


  • Spike's Tactical BAR Rail System
  • CNC Machined from 6061 Extrusion with MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish
  • Steel ST BAR Barrel Nut with MIL-STD-171 Phosphate Coating
  • Featuring 5 QD Swivel Sockets for multi-fuction sling attachment
  • Wide Body design accommodates counter sunk suppressor bodies up to 1.6" in diameter

    Bolt Carrier Group

  • Mil-Spec 8620 Tool Steel M16 Bolt Carrier with Shrouded Firing Pin
  • Carrier is MIL-STD-171 Phosphate Coated inside and out with MIL-STD-171 Hard Chrome Bore
  • Laser Engraved with ST Spider Logo
  • Mil-Spec Tool Steel Carrier Key
  • Carrier Key is MIL-STD-171 Phosphate Coated inside and out with MIL-STD-171 Hard Chrome Bore
  • Carrier Key is installed with Grade 8 Hardware and Properly Staked
  • Bolt is CNC Machined from Carpenter-158 Steel
  • Bolt is MIL-STD-171 Phosphate Coated inside and out
  • All Bolts are Shot Peened per current Mil-Spec Requirements
  • All Bolts are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)
  • Tool steel Extractor is Shot Peened, MIL-STD-171 Phosphate Coated, Fitted with a Mil-Spec Black Extractor Spring Insert and Mil-Spec Viton O-Ring
  • Mil-Spec Firing Pin with MIL-STD-171 Hard Chrome Finish
  • Mil-Spec Cam Pin with MIL-STD-171 Phosphate Coating
  • Mil-Spec Firing Pin Retaining Pin with MIL-STD-171 Phosphate Coating
Product Specs:

Magazine Capacity
Gun magazines that hold more than 10 rounds are considered to be a high capacity magazines and will not ship to the following states: CA, CO, HI, IL, MA, MD, and NY. We will ship magazines with a capacity of 15 rounds to New Jersey.

Gun Parts USA does modify these mags to ship into restricted capacity states. Please check our website for magazines for your state requirements. Orders received that are not legal in your area will be canceled. Posting of High Capacity Magazines on our website does not constitute offering them for sale in restricted capacity states due to our shipping restrictions.

Optics/ Red Dot Sights
Optics are delicate by nature and can be damaged easily and without effort. Gun Parts USA wants to make sure all our customers receive a new, trouble free optic which is why we strictly enforce a no return policy on electronic items and optics. No returns or exchanges allowed on Eotech products or any electronic and/ or optic. Rest assured that as our customer you will not receive an item that may in some way be damaged by another customer. We cannot ensure a products integrity once it has left our facility and will not sell an item that may have been compromised, dropped or damaged to another customer. Should a problem arise with your product consult the manufacturers warranty.


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