Anyone in Houston have a 3-prong AR15 wrench I can borrow? The fortis 308 switch rail I bought requires one: see photo

I can't use my standard PRI AR15 5-prong wrench, or any 308 wrench and don't really want to buy a 4th barrel nut wrench
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I can't use my standard PRI AR15 5-prong wrench, or any 308 wrench and don't really want to buy a 4th barrel nut wrench

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