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Spikes Upper (300BLK) 16" LW w/FSP


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  • Model: STU3025-M4S
  • Manufactured by: SPIKES TACTICAL


Introduction The Spike's Tactical ST-15 upper line-up now has 300BLACKOUT. This Round's Popularity is growing at a Tremendous Rate. As Always Spike's Tactical Products are backed by the Spike's Tactical Lifetime Warranty.


  • Spike's Tactical 16.0", 1:8 Twist, LW-50 Stainless Steel Barrel
  • Medium Barrel Profile, Carbine Length Gas System
  • F-Marked FSB, .750" Diameter Gas Seat
  • Spike's Tactical Mil-spec M16 Bolt Carrier Group
  • M4 Double Heatshield Handguards
  • Threaded 5/8x24 (Concentric to the Bore) includes an A2 Flash Hider

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