• SPIKE'S TACTICAL M4 LE UPPER 16" -AIRIX EXCLUSIVE $499 shipped, $20 gift card UPPER RECEIVER GROUP
  • SPIKE'S TACTICAL M4 LE UPPER 16" -AIRIX EXCLUSIVE $499 shipped, $20 gift card UPPER RECEIVER GROUP
  • SPIKE'S TACTICAL M4 LE UPPER 16" -AIRIX EXCLUSIVE $499 shipped, $20 gift card UPPER RECEIVER GROUP
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SPIKE'S TACTICAL M4 LE UPPER 16" -AIRIX EXCLUSIVE $499 shipped, $20 gift card

$499.99
$0.00 $499.99
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This purchase includes a $20 gift card!

Forged Upper Receiver

  • 7075 T6 Construction
  • Forward Assist
  • Ejection Port Door
  • Ejection Port Door Spring
  • Ejection Port Door Rod


    • 16" M4 Profile Barrel

  • MIL-B-11595E CMV
  • Chrome Lined
  • 1/7 Twist Rate
  • 1/2 X 28 Thread Pitch for Muzzle
  • 5.56 Nato Chamber
  • .750 Gas Block Seat
  • M4 Feed Ramped Barrel Extension
  • Mil-Spec Phosphate Coating

  • Delta Ring Assembly

  • Mil-Spec Barrel Nut
  • Delta Ring
  • Weld Spring
  • Snap Ring

  • A2 Front Sight Base Pinned

  • Sling Swivel
  • Front Sight Post
    FSP Detent
  • FSP Detent Spring

  • M4 Handguard

  • Double Heat Shield

    • Carbine Gas Tube

  • Black Nitride Inside and Out
  • Gas Tube Roll Pin

    • Charging Handle

  • Forged Aluminum
  • Mil-Spec Type 3 Coating

    • Phosphate M16 Complete BCG

  • Phosphate Coated
  • Laser Engraved with ST Spider logo
  • High Pressure Tested (HPT)
  • Magnetic Particle Inspected (MPI)

    • A2 Flash Hider

  • 1/2" Crush Washer

    • Weight: 4lb 2oz

  •  


    Manufacturer:Spike's Tactical

    Manufacturer part:STU5025-M4S

    Model:LE

    Sights:A2 Front

    Type:Upper

    Type of Barrel:1:7

    Details

    Spike's Tactical Complete Upper Receiver, 223 Rem/556NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver, A2 Front Sights, Black Finish STU5025-M4S

    Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper and complete gun is test fired before leaving Spikes facility for function check before it reaches you.