Spike’s Tactical 16″ 5.56 M4 Chrome Lined Carbine 9″ Quad Rail – Black


Elevate your AR-15 build with the Spike’s Tactical Upper. Featuring a Mil-Spec receiver and a free-floating 9″ quad rail handguard, this 16-inch barrel upper ensures precision and reliability. The 5.56 NATO chamber, 1×7 twist chrome-lined barrel, and carbine-length gas system deliver optimal performance. With Spike’s Tactical M-16 bolt carrier group and 7075-T6 forged charging handle, this USA-made upper is built to exceed expectations.

Availability: In stock SKU: STU5025-R9S Categories: , Tags: , ,


Spikes Tactical 16″ 5.56 Upper with 9″ Quad Rail Handguard in Black

Spike’s Upper comes equipped with a Mil-Spec Receiver along with a Free floating 9″ Quadrail Handguard.  The 16″ Barrel is chambered in 5.56 with a 1 in 7 twist,  also the barrel is chrome lined and has a A2 Style Birdcage Flash Hider.  Gas System on the 5.56 Upper is Carbine Length with a low profile Gas Block.  The Upper and Handguard have a continuous top rail and also includes QD Attachment Holes in Rail. Spikes Upper comes inspected, tested, and ready to drop-in and go to work.  ST maintain their high standard of tolerances and attention to detail as the uppers are the same as they use for complete rifle builds.

Includes Spikes Tactical M-16 Mil-Spec Bolt Carrier Group with spider Logo and 7075-T6 forged Charging Handle

Spike’s Tactical 16″ M4 Upper Specifications:

  • Chamber:  5.56 Nato
  • Twist Rate:  1 x 7
  • Barrel Length:  16 Inch
  • Gas System:  Carbine Length
  • Barrel Material:  4150 Chrome Moly / Mil-Spec Phosphate
  • Muzzle Device:  A2 Flash Hider  1/2 x 28
  • Handguard:  9″ Quad Rail Free Float Handguard
  • Finish:  Anodized Black
  • Made In U.S.A
  • SKU#- STU5025-R9S

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov

Additional information

Weight 7 lbs
Barrel Chamber

Barrel Finish

Barrel Gas Block

Barrel Gas System

Barrel Length

Barrel Material

Barrel Thread

Barrel Twist




Handguard Length



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