12.7K 12.7mm 12.7MM-26.16MM-25-5590H-05 12.7MM-26.16MM-25-8810 12.7MM-26.16MM-25-8815 12.7MM-30.99MM-25-5590H-05 12.7MM-30.99MM-25-8810 12.7MM-30.99MM-25-8815 12.7MM-5M-0.5MM-5590H 12.7MM-5M-5515-20