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Guntec USA AR-15 5.56mm Complete Upper Kit GT-C-UPPER-5.5-MLK-MINI Caliber: 5.56mm, Overall Length: 11.375 in, 16% Off w/ Free Shipping

Guntec USA AR-15 5.56mm Complete Upper Kit, Black, GT-C-UPPER-5.5-MLK-MINI
Guntec USA AR-15 5.56mm Complete Upper Kit, Black, GT-C-UPPER-5.5-MLK-MINI
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Guntec USA AR-15 5.56mm Complete Upper Kit, Black, GT-C-UPPER-5.5-MLK-MINI

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Questions & Answers
Caliber:
5.56mm
Overall Length:
11.375 in
Barrel Length:
5.5 in
Barrel Twist Rate:
1-5
Firearms Threads Per Inch:
1/2x28
Muzzle Device:
Mini Muzzle Brake
Finish:
Anodized
Color:
Black
Handguard Length:
4 in
Barrel Material:
4150 CMV Steel

Code: 2AH-URC-GT556-GT-C-UPPER-5-5-MLK-MINI

MPN: GT-C-UPPER-5.5-MLK-MINI

UPC: 752574659503

List: $569.00Save 16%
$479.99

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 5.56mm Complete Upper Kit

Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. The goal is to distribute excellent quality, at an economical value.image

Specifications for Guntec USA AR-15 5.56mm Complete Upper Kit:

Manufacturer: Guntec USA
Caliber: 5.56mm
Overall Length: 11.375 in
Barrel Length: 5.5 in
Barrel Twist Rate: 1-5
Firearms Threads Per Inch: 1/2x28
Muzzle Device: Mini Muzzle Brake
Finish: Anodized
Color: Black
Fabric/Material: T6 Aluminum, 4150 Steel
Handguard Length: 4 in
Gun Make: AR Platform
Gun Model: AR-15
Barrel Material: 4150 CMV Steel
Charging Handle Included: MIL-SPEC
Magazine Included: No

Features of Guntec USA AR-15 5.56mm Complete Upper Kit

  • 5.56 Upper Receiver.
  • 5.56 Charging Handle.
  • Custom Short Gas Tube.
  • Crush Washer.
  • Kit does not come assembled.
  • 5.56 Complete BCG.
  • Forward assist asssembly.
  • Steel Low Pro .750 Gas Block.
  • Mini muzzle brake.
  • 5.56 Ejection door assembly.
  • 4in M-LOK compression handguard with barrel nut & hardware.

Package Contents:

  • Guntec USA AR-15 5.56mm Complete Upper Kit

What firearm models does the manufacturer say Guntec USA AR-15 5.56mm Complete Upper Kit is compatible with?

The manufacturer suggests that Guntec USA AR-15 5.56mm Complete Upper Kit is compatible with AR-15

Guntec USA AR-15 5.56mm Complete Upper Kit Orderable Models

List of Orderable Models

  • Guntec USA AR-15 5.56mm Complete Upper Kit, Black, GT-C-UPPER-5.5-MLK-MINI , MPN: GT-C-UPPER-5.5-MLK-MINI , UPC: 752574659503 , Code: 2AH-URC-GT556-GT-C-UPPER-5-5-MLK-MINI
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Last updated 2026-08-30 UTC.