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Picture of PRC Stackable Gravity Block

PRC Stackable Gravity Block

This stackable weight will attach to both our M-Lok and QD base blocks, as well as other stacked blocks to provide additional weight to your setup. Weighing in at 1 pound each, Gravity Blocks are machined from nitrided steel billet. Includes mounting hardware. YOU MUST HAVE M-Lok or QD base block to attach this weight to.
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FFL Terms and Conditions - Any items placed on the same order as a firearm/lower receiver will also be shipped to the FFL. If you would like additional items shipped to you directly, please place them on a separate order. To expedite your order, please have your dealer fax or email their FFL to us. If the dealer you are using to transfer a firearm has not sent us a currently updated FFL to put on file, there will be an extended period of time needed to process your order. Due to the high volume of orders, please allow up to two weeks for delivery of firearms. Email: [email protected].

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