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AR-15 M4 Rail Height Gas Block for .750 inch Barrels

3 customer reviews

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UPC: 617201299074
Category: AR-15, AR-15 Gas Blocks
Tags: AR-15


  • Rail Height Gas Block
  • Made of Aluminum
  • Fits .750″ Barrels
  • Made in USA
  • Rail Height To Line Up With Your Flat Top Receiver
  • Comes with Roll Pin

Additional Information

Weight: 3 oz
Country of Origin:


3 reviews for AR-15 M4 Rail Height Gas Block for .750 inch Barrels

  1. Jonathon

  2. Michael (verified owner)

    When I got them I was happy with the fit and finish. They seemed solid and were just what I needed. I went to install them with the intent of using them with a drop in handguard. Installed with the handguard cap, the gas port on the block would not line up properly with the gas port in the barrel. I tried them without the handguard cap and still not a good alignment. I compared them to a few other gas blocks I had in my parts box and the gas ports in these blocks were further in from the edge about 1/8″. I’m not sure if I got a bad batch or if this is how they come but I can’t use them.

    I’d return them but at $15 each I’d lose a big chunk of my refund in shipping costs.

    If your build allows for the extra 1/8″ or so from the edge of the block to the gas port then buy them. Otherwise avoid this product.

  3. Chuck (verified owner)

    Easy to install and performed without and hiccups. Range time success! Completely happy with fit and finish and function.

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