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Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver Up to 10% Off w/ Free S&H — 9 models

Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex STU5420-MLS
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/MOE Handguards w/ Vortex STU5420-MLM
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in BAR2 Rail w/ Vortex STU5420-R9S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in BAR2 Rail w/ Vortex STU5420-R1S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in SAR3 Rail w/ Vortex, STU5420-CQ1V
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Vortex STU5420-R2S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Dynacomp STU5420-R2D
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex, STU5420-CQ3V
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex STU5420-MLS
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Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex STU5420-MLS
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
2 of 15 images
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
3 of 15 images
Spikes ST-15 Law Enforcement Mid Upper 5.56 14.5 W/ Brake CHF Handguards Black, STU5420-MLD
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/MOE Handguards w/ Vortex STU5420-MLM
4 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/MOE Handguards w/ Vortex STU5420-MLM
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in BAR2 Rail w/ Vortex STU5420-R9S
5 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in BAR2 Rail w/ Vortex STU5420-R9S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in BAR2 Rail w/ Vortex STU5420-R1S
6 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in BAR2 Rail w/ Vortex STU5420-R1S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in SAR3 Rail w/ Vortex, STU5420-CQ1V
7 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in SAR3 Rail w/ Vortex, STU5420-CQ1V
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Vortex STU5420-R2S
8 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Vortex STU5420-R2S
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Dynacomp STU5420-R2D
9 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Dynacomp STU5420-R2D
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex, STU5420-CQ3V
10 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex, STU5420-CQ3V
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
11 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
12 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
13 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
14 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS
15 of 15 images
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS

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Questions & Answers
Can you attach a suppressor to this

Yes, as long as this is not a pen,weld model. If so, it still can have a suppressor threaded on. You would have to have a gunsmith, that’s experienced in tapping the weld out and also you’d have to keep in mind your state laws.

by Spikes Tactical, Verified Owner, May 18, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
A great value upper for those with M4 envy by mlankton, Verified Owner, November 16, 2022
My son has two Spike's, so I knew that while they're not Gucci, they run. I have a bunch of rifles, Larue, Daniel Defense, JP, PWS. I'm not going to blow smoke up your ___ and say Spike's is on that level. What Spike's represents to me is something...
Read More...
2/4 found this helpful
Helpful Negative Review
Spike’s Quality but Poor QC by Mike, April 22, 2019
I ordered this upper wanting a complete, 14.5”, midlength gas system with a pinned and welded Smith Enterprises (SEI) Vortex flash hider. I priced out building one myself; with buying everything from quality manufacturers and getting the pin/weld don...
Read More...
8/20 found this helpful
Most Recent Reviews
awesome upper by Enoch Rogers, Verified Owner, February 7, 2025
Super durable and well rounded! Very accurate out the box and reliable
Read All 3 Reviews
9 Models Available
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ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver

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

Specifications for Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver:

Manufacturer: Spikes Tactical
Caliber: 5.56x45mm NATO
Overall Length: 16 in
Barrel Length: 14.5 in
Barrel Profile: Optimal
Barrel Twist Rate: 1-7
Firearms Threads Per Inch: 1/2x28
Finish: Nitride Inside and Ou, Mil-Spec Type 3 Coating
Color: Black
Gun Model: AR-15
Condition: New
Weight: 3 lb
Magazine Included: No
Country of Origin: USA

Features of Spikes Tactical 5.56 Complete Upper Receiver w/Cold Hammer Forged 14.5in Barrel:

  • Forged Upper Receiver - 7075 T6 Construction, Forward Assist, Ejection Port Door, Ejection Port Door Spring, Ejection Port Door Rod.
  • 14.5-inch Mid Length Cold Hammer Forged Optimal Profile Barrel.
  • Forged Aluminum Charging Handle with Mil-Spec Type 3 Coating.
  • Phosphate M16 Complete Bolt Carrier Group - Phosphate Coated, Laser Engraved with ST Spider logo, High Pressure Tested (HPT), Magnetic Particle Inspected (MPI).

Package Contents:

  • Spikes Tactical 5.56 Cold Hammer Forged Barrel 14.5in Upper Receiver

What firearm models does the manufacturer say Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver is compatible with?

The manufacturer suggests that Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver is compatible with AR-15

Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver Orderable Models

List of Orderable Models

  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS , MPN: STU5420-MLS , UPC: 815648023201 , Code: 2A8-UFH-STU5420-STU5420-MLS
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/ML Hanguard and Dynacomp Muzzle Device, Black, STU5420-MLD , MPN: STU5420-MLD , UPC: 815648023188 , Code: 2A8-UFH-STU5420-STU5420-MLD
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/MOE Handguards w/ Vortex, STU5420-MLM , MPN: STU5420-MLM , UPC: 815648023195 , Code: 2A8-UFH-STU5420-STU5420-MLM
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in BAR2 Rail w/ Vortex, STU5420-R9S , MPN: STU5420-R9S , UPC: 815648023263 , Code: 2A8-UFH-STU5420-STU5420-R9S
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in BAR2 Rail w/ Vortex, STU5420-R1S , MPN: STU5420-R1S , UPC: 815648023232 , Code: 2A8-UFH-STU5420-STU5420-R1S
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in SAR3 Rail w/ Vortex, STU5420-CQ1V , MPN: STU5420-CQ1V , UPC: 810083261249 , Code: 2A8-UFH-STU5420-STU5420-CQ1V
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Vortex, STU5420-R2S , MPN: STU5420-R2S , UPC: 815648023256 , Code: 2A8-UFH-STU5420-STU5420-R2S
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Dynacomp, STU5420-R2D , MPN: STU5420-R2D , UPC: 815648023249 , Code: 2A8-UFH-STU5420-STU5420-R2D
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex, STU5420-CQ3V , MPN: STU5420-CQ3V , UPC: 810083261300 , Code: 2A8-UFH-STU5420-STU5420-CQ3V

Spikes Tactical 5.56 Cold Hammer Forged 14.5in Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Open Box, Dealer Demo, Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in M-LOK Rail w/ Vortex, STU5420-M2S , MPN: STU5420-M2S-DMO , Code: 2A8-UFH-STU5420-STU5420-M2S-DMO
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in SAR3 Rail and Vortex Muzzle Device, Black, STU5420-S9S , MPN: STU5420-S9S , UPC: 815648023300 , Code: 2A8-UFH-STU5420-STU5420-S9S
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in M-LOK Rail w/ Vortex, STU5420-M2S , MPN: STU5420-M2S , UPC: 815648023171 , Code: 2A8-UFH-STU5420-STU5420-M2S
  • Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in SAR3 Rail and Vortex Muzzle Device, Black, STU5420-S2S , MPN: STU5420-S2S , UPC: 815648023287 , Code: 2A8-UFH-STU5420-STU5420-S2S
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