Rock River

RRA 16″ R4 FSB Barrel 1:9 CHROME LINED


2 in stock

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5.56 NATO Chamber. With chrome lined bore and chamber. R-4 profile, Threaded, 1/2-28 thread, with barrel nut, handguard cap and front sight housing with bayonet lug, Barrel diameter .750 at front sight base. Weight 35 ounces.


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