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rear sight
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  1. Non-FFL
    I'm seeking the SiG mounting rail kit for the classic 556 handguard as well as the SiG picatinny rear diopter sight. Used parts are no problem. Links for pictures/info are below. Thanks! Rail Mounting Kit: Sig Sauer Handguard Rail Mounting Kit - Sig 556, Sig 522 - Top Gun Supply Rear Diopter...
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