dont forget you can also.. run the hook under and in the first slot over the top of the mid link. out under the front tab. and now its a reg sling. that you can run it as long or short as you like.. loop it under your weapon on ea side.and now its a carry handle. this is how to use it on the Hk21 from the 60's (not the Hk21A1 or E)
they always show you the first 3 ways to use it and forget about all the rest,
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