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
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Brownells Brn-4 Barrel Nut
$43.99
Buy product SKU: 430100141 Categories: Handgun Parts, Barrel Parts, Barrel Hardware Tag: ;Make=Heckler & Koch;Make/Model=Heckler & Koch|HK416;Model=HK416