At just 2.9oz and 1.9? long the Rugged R3 Flash Mitigation System is over 30% lighter and 26% shorter than competing 5.56 designs. The R3s patent pending design features world class flash reduction zero ring and a smooth snag-free toothless Dual Taper Lock mounting system. - Weight: 2.9oz - Length: 1.9 - Threaded 1/228 for 5.56.
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