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You are here:Home > AR 15 STORE > AR-15 Upper Receivers > AR-15 COMPLETE UPPER HALF > Spike's Tactical
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Spikes Tactical 16" ST-15 M4 LE Upper Receiver - 5.56x45NATO Spike's Tactical ST- Enhanced Upper- 16" Mid-Length w/ Handguard and FSB LImit 1 Spikes Tactical Upper (5.56) 14.5" (16" OAL) Midlength Lightweight LE w/ 12" SAR3 rail w/ Dynacomp

Our Price:
$499.99
In Stock
(17)

Our Price:
$680.00
In Stock
(7)

Our Price:
$972.00
In Stock
(1)
Spikes Tactical 16" ST-15 M4 LE Upper Receiver - 5.56x45NATO - STU5025-M4S Spike's Tactical ST- Enhanced Upper- 16" Mid-Length w/ Handguard and FSB STU5435-MLS Spikes Tactical Upper (5.56) 14.5" (16" OAL) Midlength Lightweight LE w/ 12" SAR3 rail w/ Dynacomp - STU5050-S2D
  • Upper Receiver: Spike's Tactical Forged M4 Flat Top
  • Barrel Characteristics
    • 16″ Mil-Spec Barrel
    • 5.56 NATO Chamber
    • 1:7 Twist
    • M4 Profile
    • Carbine-Length Gas Port
    • Chrome Lined
    • Phosphate Finish
  • Bolt Carrier Group
    • M16 / Full Auto Carrier
    • Magnetic Particle Inspected
    • Carpenter 158 Steel Bolt
    • Hardened Extractor
    • Properly Staked Gas Key
    • Internal Chrome Lining
  • Muzzle Device: A2 Bird Cage Flash Hider
  • Handguard: Double Heat Shield M4 Drop-In
  • Sights:
    • Front: F-Marked A2 FSB
    • Rear: None
  • Notes:
    • Made in the U.S.A.
    • Complete with Bolt Carrier Group
  • Upper Receiver: Spike's Tactical Forged M4 Flat Top
  • Barrel Characteristics
    • 16″ FN Cold Hammer Forged
    • 5.56 NATO Chamber
    • 1:7 Twist
    • ST Optimum Contour
    • Mid-Length Gas Port
    • Chrome Lined
    • Mil-Spec Heavy Phosphate Finish
    • HPT / MPI
  • Bolt Carrier Group
    • Mil-Spec M16 / Full Auto Carrier
    • Shot Peened Bolt
    • Shot Peened Extractor
    • Properly Staked Gas Key
    • Internal Chrome Lining
    • HPT / MPI
  • Muzzle Device: A2 Birdcage Flash Hider
  • Handguard: Mid-Length Tapered Handguard
  • Sights:
    • Front: F-Marked A2 Front Sight Base
    • Rear: No Sights included
  • Notes:
    • Made in the U.S.A.
    • Complete with Bolt Carrier Group

Spike's Tactical 14.5" Lightweight barrel with Spike's Dynacomp flash surpressing muzzle brake.  Features a 12" SAR3 rail.
Spike's Tactical 16 Inch Midlength LE Upper (5.56)

Our Price:
$569.99
(Out of Stock)
(18)
Spike's Tactical 16" Midlength LE Upper (5.56) STU5035-MLS
  • Upper Receiver: Spike's Tactical Forged M4 Flat Top
  • Barrel Characteristics
    • 16″ Chromoly Vanadium Alloy
    • 5.56 NATO Chamber
    • 1:7 Twist
    • Government Contour
    • Mid-Length Gas Port
    • Chrome Lined
    • Mil-Spec Heavy Phosphate Finish
    • HPT / MPI
  • Bolt Carrier Group
    • Mil-Spec M16 / Full Auto Carrier
    • Shot Peened Bolt
    • Shot Peened Extractor
    • Properly Staked Gas Key
    • Internal Chrome Lining
    • HPT / MPI
  • Muzzle Device: A2 Birdcage Flash Hider
  • Handguard: Mid-Length Tapered Handguard
  • Sights:
    • Front: F-Marked A2 Front Sight Base
    • Rear: No Sights included
  • Notes:
    • Made in the U.S.A.
    • Complete with Bolt Carrier Group