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    This vise block is an essential tool for working on your AR-15 - especially for installing or removing barrels, handguards, flash hiders, and more!

    The Delta Series AR-15 Upper Vise Block is optimized for left hand and right hand Mil Spec A2 upper receivers with carry handles, as well as flattop style receivers. Other AR-15 variants may be adapted with special attention to potentially non-conforming surfaces or features. The Block allows you to safely clamp on to your AR-15 upper receiver in a vise holding it securely without twisting, crushing or marring the finish.

    This Block is the perfect product for torquing a barrel on, removing a stubborn barrel nut or for simple gun maintenance and cleaning. It is made of a high pressure, solvent resistant polymer material which can withstand almost anything you can throw at it. The Delta Series AR-15 Upper Vise Block truly is the all-around product for your AR-15 gunsmithing, maintenance or cleaning needs. As an added bonus it includes a receiver insert with a gas tube alignment system, making sure your gas tube is always in line when installing a barrel and torquing a barrel nut.


    - Durable design holds receiver securely
    - Fits left and right-hand Mil Spec A2 upper, as well as flat top receivers
    - Receiver insert with gas tube aligner included

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    Customer Reviews

    Based on 5 reviews
    Must have for AR 15 build!!

    I recently used this vise block for a first-time AR build. The block worked great to hold my upper receiver very firmly while I torqued the barrel nut. Very simple device but effective for an AR build. The product is solidly built and will likely last a very long time. Great service and fast shipping by AT3 as well!!

    Thanks for spreading a good word for AT3 Tactical, Jim. We work hard to meet expectations like yours, we're glad we hit the mark for you. - AB
    Nice Vise Block

    Rigged it up in my vise and dry fitted to several AR's I have and it works great. I'll be using it to build a custom AR in the upcoming weeks!

    Vise block

    Haven't used it yet but did dry fit and looks like it will greatly help in the installation of my new quad rail and gas block. Great customer service also! Will definitely use again!

    slow shipping

    As advertised works great slow shipping dropped it to 4 stars

    Great Product

    Just As Good As The High Dollar products