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Questions & Answers
What is the finish on these? If aluminum, I am guessing anodizing or is it another type? Thank you. Expert Answer

The finish type varies between models. There is the Gold Plated model, Tin Coated model and then the PVD rainbow finish model of the Guntec USA AR-15 Steel Low Profile Gas Block.

by Hunter, Gear Expert, May 18, 2023
Do I need to purchase a gas tube pin? Expert Answer

No, the pin comes with the gas block.

by Brandon B, Gear Expert, October 15, 2021
Customer Reviews
Helpful Positive Review
Light Weight Budget Gas Block by Stephen, Verified Owner, July 26, 2018
This is a no frills gas block that is probably lighter than many of the "lightweight" gas blocks I've seen due to the thin sidewalls. The finish is not as good as other gas blocks that I have used, but it does the job at a low price.
2/2 found this helpful
Helpful Negative Review
Bad Gas Block by Disappointed customer, September 8, 2019
It is one star because the program will not let me select no stars. This gas block is non functional. The quality is poor and no quality checks must have been made on this item during manufacturing. The internal clearances are off by 2 thousandths of...
Read More...
2/3 found this helpful
Most Recent Reviews
Actually as described by Zach, Verified Owner, December 18, 2024
Came nicely gold plated no bubbles or peeling like my other purchase. A few light scratches in the finish but over all nice.
Most Recent Reviews
Great light weight gas block! by Phazor, Verified Owner, April 15, 2024
Nice gas block! came with everything needed as well as an additional allen head screw in case you lose one!
Most Recent Reviews
Good product by FoehammerE506, April 11, 2021
The fit and finish of the gas block were very good. I needed the part to fit my new 15 inch mlok forend It worked flawlessly will buy a few more when I change out the other forend on my other ar's it does work good on most forend
Most Recent Reviews
Very happy! by Josh, February 24, 2021
Was very happy with the gas block nice low profile so fits good under my slim handgaurd. Would recommend using this block and tube, I've ordered many parts for Optics Planet and always had good results!
Read All 11 Reviews
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Product Info for Guntec USA AR-15 Steel Low Profile Gas Block

.750 Diameter Stainless Steel Three Set Screws -New Design Short Version Allen Keys Includedimage

Specifications for Guntec USA AR-15 Steel Low Profile Gas Block:

Manufacturer: Guntec USA
Fabric/Material: Steel
Caliber: .223 Remington
Gun Make: AR Platform
Gun Model: AR-15
Condition: New

Package Contents:

  • Guntec USA AR-15 Steel Low Profile Gas Block

Guntec USA AR-15 Steel Low Profile Gas Block Orderable Models

List of Orderable Models

  • Guntec USA AR-15 Low Profile Gas Block, .750 Diameter, Stainless Steel, GT750SS-3-STS , MPN: GT750SS-3-STS , UPC: 714569644338 , Code: 2AH-RGB-LPRFLGB-GT750SS-3-STS
  • Guntec USA AR-15 Low Profile Gas Block, .750 Diameter, 3 Set Screws, Steel, GT750SS , MPN: GT750SS , UPC: 714569647797 , Code: 2AH-RGB-LPRFLGB-GT750SS
  • Guntec USA AR-15 Low Profile Gas Block, .625 Diameter, Steel, GT625-SS , MPN: GT625-SS , UPC: 714569647803 , Code: 2AH-RGB-LPRFLGB-GT625-SS
  • Guntec USA AR-15 Low Profile Gas Block w/Carbine Length Gas Tube, .750 Diameter, 3 Set Screws, Steel, GT750SS-CTUBE , MPN: GT750SS-CTUBE , Code: 2AH-RGB-LPRFLGB-GT750SS-CTUBE
  • Guntec USA AR-15 Steel Low Profile Gas Block, Tin Coated, GT750SS-TIN , MPN: GT750SS-TIN , UPC: 709016738609 , Code: 2AH-RGB-LPRFLGB-GT750SS-TIN
  • Guntec USA AR-15 STEEL LOW PROFILE GAS BLOCK MATTE RAINBOW PVD COATED, MATTE RAINBOW PVD, GT750SS-M-RPVD , MPN: GT750SS-M-RPVD , UPC: 709016738371 , Code: 2AH-RGB-LPRFLGB-GT750SS-M-RPVD
  • Guntec USA AR-15 Steel Low Profile Gas Block, Gloss Rainbow Pvd Coated, GT750SS-RPVD , MPN: GT750SS-RPVD , UPC: 709016738326 , Code: 2AH-RGB-LPRFLGB-GT750SS-RPVD
  • Guntec USA AR-15 Steel Low Profile Gas Block, Gold Plated, GT750SS-GP , MPN: GT750SS-GP , UPC: 709016738616 , Code: 2AH-RGB-LPRFLGB-GT750SS-GP

Guntec USA AR-15 Steel Low Profile Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • GUNTEC USA AR-15 Steel Low Profile Gas Block,.750 Diameter,3 Set Screws, Black Oxide GT750SS-US , MPN: GT750SS-US , Code: 2AH-RGB-LPRFLGB-GT750SS-US
  • GUNTEC USA AR-15 Stainless Steel Low Profile Gas Block,.750 Diameter,3 Set Screws GT750SS-STS , MPN: GT750SS-STS , Code: 2AH-RGB-LPRFLGB-GT750SS-STS
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