Spike's Tactical 16" Lightweight LE Complete Upper 5.56 STU5

Spike's Tactical 16" Lightweight LE Complete Upper 5.56 STU5

Model:  STU5040-M4S

$559.95  $549.95 

Manufacturer:  Spike's Tactical

Availability : In-Stock


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Spike's Tactical 16" Lightweight LE Complete Upper 5.56 STU5040



The Spike's Tactical LE series of upper receiver groups is designed to meet the needs of today's law enforcement officer. Every component is carefully manufactured, finished, and tested to meet or exceed applicable Mil-Spec standards and every weapon is backed by the Spike's Tactical Lifetime Warranty. These same upper receiver groups are now available on the commercial market at a price point any shooter can afford.

NOTE:  THIS INCLUDES A BAYONET LUG AND INSTALLED (SCREWED ON) FLASH HIDER. Please check with your local FFL if you have questions regarding legality as we can not be responsible for laws in every state or county (ie. Illinois, NY, CA).


  • 16" Spike's Tactical, 1:7 Twist, Mil-spec Grade Chromoly Vanadium Barrel
  • Extended M4 Feedramps
  • Mil-spec Hard Chrome 5.56 NATO Chamber & Bore
  • 1/2x28 Muzzle Threading
  • Lightweight Barrel Profile, Carbine Gas System
  • Barrel is HP Tested & MP Inspected
  • F-marked A2 Front Sight Base, .625" Pencil Barrel Diameter Gas Seat
  • Spike's Tactical Mil-spec M16 Bolt Carrier Group
  • Bolt is shot peened, HP Tested, & MP Inspected
  • Forged Mil-spec Charging Handle
  • Laser Engraved T-Markings
  • Mil-spec Dry film Lube inside Upper Receiver
  • M4 Handguards
  • A2 Flash Hider


Raw Material: 7075-T6 Forged Upper
Processing: Assembled using Mil-spec assembly grease
Coating: Type III Anodized Black Hardcoat

Length: 16" Barrel

Upper Weight: 3lbs 15 oz with charging handle and bolt carrier group installed


  • (1) Spike's Tactical LE Upper
  • (1) Spike's Tactical Lifetime Warranty

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