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Midwest Industries: Lower Receiver Block, Polymer Construction, Fits 223 Remington/556NATO Receivers, Blue MI-LRB MILRB – Midwest Industries MI-LRB Lower Receiver Block Polymer Blue AR-15 Vise Block .223 5.56 NATO Secure Hold During Assembly Maintenance Work Clamp Gunsmithing Non-Marring Made USA UPC 812102033622 featuring midwest lower block. Supreme midwest mi-lrb receiver block – Midwest Industries premium polymer lower receiver vise block ar15 mi-lrb milrb supreme reliable legendary assembly tool.
Midwest Lower Block field tested trusted versatile premium reliable supreme MI-LRB.