Lower 1/3 Co-Witness T1 Pattern Mount

Lower 1/3 Co-Witness T1 Pattern Mount

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The Northtac Lower 1/3 mount features a low profile, lightweight, and durable design for mounting your P-12 red dot sight. This model allows you to have a lower 1/3rd co-witness with back up iron sights. The steel hardward mounting system locks tight for superior clamping force and ensures a solid zero.

  • 5
    Sturdy mount

    Posted by robert oshana on Oct 16th 2023

    Ordered it Friday, got it Monday. Love Northtac!!!

  • 5
    T1 lower 1/3

    Posted by Austin on Aug 8th 2023

    I cant say enough about this mount. The construction is solid but not heavy. It came with the screws and torx wrench. The fit is snug and the spring loaded bolt works like a charm. I used a quarter to tighten it up nice and tight. This item is the quality of other mounts around the $100 range. If you are thinking of using this for your red dot you will be pleased with what you get.

  • 5
    Lower 1/3 Mount

    Posted by James on Jul 3rd 2023

    I Ordered this product to provide lower 1/3 witness for sig romeo 5 being that this mount provides T1 footprint. The mount seems very well made and looks great. Paired perfectly with sig red dot. Shipping was also very fast and packaging was very nice. Great experience overall. I will definitely be doing business with Northtac again. Thanks for providing a great product.

  • 4
    Great Riser but…

    Posted by Andy Yang on Jun 12th 2023

    It’s a great riser. Well built and it locks solid. However, I noticed when I mounted my micro red dot on it, it sits about 1/16th of an inch lower than the Primary Arms lower 1/3 mount. Why is that a big deal? Well, because now it doesn’t align perfectly with my holosun magnifier. The red dot now sits a tad bit lower. Not a huge deal but definitely noticeable. Not sure if it’s meant for Northtac magnifiers. Reason I bought this riser is because it looks way better than Primary Arms.

  • 5
    Try it

    Posted by Cole W on Sep 21st 2022

    I put it on my Sig Romeo 7S (CompM5 clone) and it fits great. Lockup is very solid. Can’t beat the price


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