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Guntec USA AR-15 Complete 9mm Upper Receiver Up to 19% Off w/ Free Shipping — 3 models

Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
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Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
2 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
3 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
4 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
5 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
6 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
7 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-LOK Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
8 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3
9 of 9 images
Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-LOK Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3

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Questions & Answers
Do these function with endomags? Expert Answer

No, it only functions with pistol magazines. It will not work with full size AR mags.

by Armando R., Gear Expert, October 18, 2019
See 2 More Answers
Is this equipped with LRBHO? Expert Answer

LRBHO is a feature of the lower receiver .

by Nick B., Gear Expert, October 29, 2021
View All Q&A You Have a Question? Ask!
3 Models Available
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ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Guntec USA AR-15 Complete 9mm Upper Receiver

Manufactured to be regarded as a very good product for almost any individual, we are certain you'll love the Guntec USA AR-15 Complete 9mm Upper Receiver.image

Developed using some of the most durable and dependable materials in existence, these AR15 Upper Receivers through Guntec USA can provide an item which will give you numerous years of dependability.

Guntec USA has been generating superior quality products for a very long time, and the Guntec USA AR-15 Complete 9mm Upper Receiver is their particular manner of revealing just how much they are concerned.

Right here at OpticsPlanet, we ensure that it is our obligation to receive the perfect solution for all your needs, and presenting the Guntec USA AR-15 Complete 9mm Upper Receiver is something that we're delighted to offer.

Specifications for Guntec USA AR-15 Complete 9mm Upper Receiver:

Manufacturer: Guntec USA
Caliber: 9mm Luger
Barrel Profile: Contour
Barrel Twist Rate: 1-10
Firearms Threads Per Inch: 1/2x36
Color: Black
Fabric/Material: 4150 Chromoly Steel
Gun Rail: M-LOK
Gun Model: AR-15
Magazine Included: No
Condition: New
Included Accessories: 9mm Complete BCG, 9mm Upper Receiver, Mil-Spec Charging Handle, Crush Washer

Features of Guntec USA AR-15 Complete 9mm Upper Receiver

  • Kit Does Not Come Assembled

Package Contents:

  • Guntec USA AR-15 Complete 9mm Upper Receiver
  • 9mm Upper Receiver
  • 9mm Complete BCG
  • Mil-Spec Charging Handle
  • US 4" AIR-LOK Series M-LOK Handguard With Barrel Nut & Hardware (GT-4ALC)
  • 5.5" 9mm 1:10 Twist Contour 4150 Barrel
  • Crush Washer
  • 1/2 x 36 AR 9mm Muzzle Comp With Blast Shield (SPITFIRE-S-9)

What firearm models does the manufacturer say Guntec USA AR-15 Complete 9mm Upper Receiver is compatible with?

The manufacturer says that Guntec USA AR-15 Complete 9mm Upper Receiver is compatible with AR-15

Guntec USA AR-15 Complete 9mm Upper Receiver Orderable Models

List of Orderable Models

  • Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 7 inch M-Lok Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Slim Line Flash Cone, Black, 9MM-KIT-2 , MPN: 9MM-KIT-2 , Code: 2AH-URC-9MMKIT-9MM-KIT-2
  • Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-Lok Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Mini Socom Muzzle Device, Black, 9MM-KIT-4 , MPN: 9MM-KIT-4 , Code: 2AH-URC-9MMKIT-9MM-KIT-4
  • Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6.75 inch M-Lok Handguard, 7.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 Hellfire Muzzle Device, Black, 9MM-KIT-3 , MPN: 9MM-KIT-3 , Code: 2AH-URC-9MMKIT-9MM-KIT-3

Guntec USA AR-15 Complete 9mm Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 6 inch M-Lok Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 AR Flash Cone, Black, 9MM-KIT-5 , MPN: 9MM-KIT-5 , UPC: 709016730405 , Code: 2AH-URC-9MMKIT-9MM-KIT-5
  • Guntec USA AR-15 Complete 9mm Upper Receiver, Mil-Spec Charging Handle, 4 inch M-Lok Handguard, 5.5 inch Contour 4150 Barrel, 1-10 Twist, 1/2x36 AR Muzzle Comp w/Blast Shield, Black, 9MM-KIT-1 , MPN: 9MM-KIT-1 , UPC: 709016730368 , Code: 2AH-URC-9MMKIT-9MM-KIT-1
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Last updated 2026-08-30 UTC.