Brownells Brn-4 Barrel Nut

$43.99

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The BRN-4 Barrel Nut is the perfect barrel nut for your BRN-4, HK416, or MR556 built. Machined to exact dimensions to work with HK style handguards. Recommended Barrel Nut Torque: 50-80 ft/lbs Mfg: Brownells