Ruger, AR556, 300 Blkout, 16.1" bbl, Black M-LOK, Threaded
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RUGER AR-556 300Blk 16.1" Black 30rd
Starline, Unprimed Cases, 300 Blackout, Brass, 100 Bx
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Starline .300 AAC Blackout Unprimed Rifle Brass Cases 100Bx