Cryostructure Posted April 15 Report Share Posted April 15 We make a MK48 feed bag adapter that you can custom drill and bolt or rivet into your receiver. Shown below is a customer that has both our new HK21 barrel and our feed bag adapter installed. These do fit both mil-spec bags and the tribe tactical bags. We sell anodized black, raw aluminum and can custom anodize or CERAKOTE the bags for you as well. Parts in stock and ship within 24 hours. https://www.cryostructure.com/product/hk21-feed-bag-adapter/ Quote Link to comment Share on other sites More sharing options...
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