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Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3 STU5181-CQ7F Caliber: 5.56x45mm NATO, Barrel Length: 8.1 in, 10% Off w/ Free S&H

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Spikes Tactical Upper 5.56 8.1in CHF Barrel w/7in SAR3, STU5181-CQ7F
Spikes Tactical Upper 5.56 8.1in CHF Barrel w/7in SAR3, STU5181-CQ7F
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Spikes Tactical Upper 5.56 8.1in CHF Barrel w/7in SAR3, STU5181-CQ7F

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Questions & Answers
Will this fit on a Franklin armory CA11 lower receiver ? Expert Answer

The Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver will fit a CA11 lower receiver.

by Hunter, Gear Expert, August 2, 2022
Will this fit on a spikes tactical ar15 lower marked mod st15 ? Multi cal on the side thx it's 5.56/223 Expert Answer

Yes, this Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver is compatible with your Spikes Tactical lower receiver.

by Ethan, Gear Expert, June 24, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Spike's 8.1 upper by Jesse, July 11, 2019
This upper is well worth the price tag. Optics has lowest price anywhere! I went to range to test it out and it shot flawlessly and surprisingly not as loud or harsh as I thought for a short pistol upper.
3/3 found this helpful
Helpful Positive Review
Good quality by Gunscooby, Verified Owner, August 3, 2018
This is a very nice quality upper from Spikes Tactical. I am very happy with this upper. It was packaged extremely well in thick plastic & bubble wrap and inside a box inside a box. I am very pleased with it and I would definitely purchase again.
2/2 found this helpful
Most Recent Reviews
High Quality Product at a Great Deal by Msimpson, Verified Owner, November 21, 2024
I was on the fence about ordering this upper. Optics planet was running a great deal so I jumped on it. Excellent fit and finish, and cycles smoothly. I’ve been a Spikes Tactical fan for a while, this latest Upper just keeps me wanting more.
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spikes 556 8.1 cold hammer forged upper by jordan, Verified Owner, September 14, 2024
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Caliber: 5.56x45mm NATO Barrel Length: 8.1 inFinish: Anodized Color: Black Gun Model: AR-15 Additional Features: w/7in SAR3 Rail

Code: 2A8-UFH-5CHFURS3-STU5181-CQ7F

MPN: STU5181-CQ7F

UPC: 810083260914

List: $790.00Save 10%
$711.00

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 8.1in Upper Receiver w/7in SAR3

Spikes Tactical complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes Tactical maintains their 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 the facility for function check before it reaches you.image

Specifications for Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3:

Manufacturer: Spikes Tactical
Caliber: 5.56x45mm NATO
Barrel Length: 8.1 in
Finish: Anodized
Color: Black
Gun Model: AR-15
Additional Features: w/7in SAR3 Rail
Magazine Included: No
Country of Origin: USA

Features of Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3:

  • Forged Upper Receiver
  • 7075 T6 Construction
  • Forward Assist
  • Ejection Port Door
  • Ejection Port Door Spring
  • Ejection Port Door Rod
  • 8.1in Cold Hammer Forged Barrel
  • DIN 21CrM0V511
  • 1/7 Twist Rate
  • 1/2 X 28 Thread Pitch for Muzzle
  • 5.56 Nato Chamber
  • .750 Gas Block Seat
  • M4 NIB Coated Barrel Extension
  • Black Nitride Coating
  • 7in SAR3 Rail
  • 7075 T6 Barrel Nut
  • 6061 T6 Rail
  • Continuous Top Rail
  • Free Floating 1 Piece
  • Q.D
  • Attachment Points
  • Low Profile Gas Block
  • Solid Billet Steel
  • .750 I.D
  • Pistol 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
  • 1/2in Crush Washer
  • Weight: 3lb 5oz

Package Contents:

  • Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3

What firearm models does the manufacturer say Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3 is compatible with?

The manufacturer suggests that Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3 is compatible with AR-15

Spikes Tactical 5.56 Cold Hammer Forged 8.1in Upper Receiver w/7in SAR3 Orderable Models

List of Orderable Models

  • Spikes Tactical Upper 5.56 8.1in CHF Barrel w/7in SAR3, STU5181-CQ7F , MPN: STU5181-CQ7F , UPC: 810083260914 , Code: 2A8-UFH-5CHFURS3-STU5181-CQ7F
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