Skip to main content
Sign In / EnrollGet rewarded!
Halloween
Pet
Lawn & Garden
Truck & Automotive
Sporting Goods
Horse
Farm & Ranch
Clothing
Livestock
Pet & Animal Pharmacy
Tools
Poultry
Fencing & Gates
Home Improvement
Outdoor Living
Heating & Cooling
Home Decor & Furniture
Outdoor Power Equipment
Trailers & Towing
Boots & Shoes
Wild Birds & Wildlife
Toys
Gift Cards

Sign In / EnrollGet rewarded!
A woman outside with a dog
A woman outside with a dog

Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S

Shop all Spikes
Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S

Item # 6123731

Spikes Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S
Spikes Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S
$835.99
Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S

Item # 6123731

Spikes Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S
Spikes Spikes Complete Upper for M4 Carbine, 16 in., 5.56x45mm NATO, Black Phosphate Barrel, Aluminum, Black Receiver, STU5025M4S
$835.99

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. This model features Spike's Tactical 16" with 1:7 Twist Mil-spec Barrel, M4 Barrel Profile, Carbine Length Gas System, F-marked A2 Front Sight Base, .750" Diameter Gas Seat, Spike's Tactical Mil-Spec M16 Bolt Carrier Group, M4 Double Heat Shield Handguards, and A2 Flash Hider.

  • Spike's Tactical ST-15 LE upper line is a fully Mil-spec compliant upper series designed for law enforcement.
  • The same quality/performance is now available to everyone at an affordable price for shooters of any budget.
  • Each component is manufactured to Mil-spec standards.
  • Model features:
  • Spike's Tactical 16" 1:7 twist Mil-spec barrel
  • M4 barrel profile
  • Carbine-length gas system
  • F-marked A2 front sight base
  • .750" diameter gas seat
  • Spike's Tactical Mil-spec M16 bolt carrier group
  • M4 double heat shield handguards
  • A2 flash hider
  • Firearm Fitment: M4 Carbine
  • Barrel Description: Steel
  • Barrel Finish: Black Phosphate
  • Caliber: 5.56x45mm NATO
  • Gun Platform: AR Style
  • Handguard Finish: Black
  • Handguards: M4 Double Head Shield
  • Muzzle: A2 Flash Hider
  • Receiver Finish: Black
  • Receiver Material: Aluminum
  • Sights: A2 Front
  • Thread Pattern: 1/2"x24, 1/2"x28
  • Twist: 1:7"
  • Type: Complete
  • Weight: 4.20 lbs