Alexander Arms Gun Parts
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1 month ago
Convert your standard AR-15 lower into a big bore .50 Beowulf lead launching machine with this Alexander Arms DIY kit. This 50 Beowulf upper receiver kit features a standard anodized, Mil-Spec, forged upper that is completed with BCG and charging handle. The .50 Beowulf barrel is 16” long and comes with a low profile gas block and tube installed. The gas block has not been torqued down to allow removal for installation of the barrel nut and handguard of your choosing. Includes a thread protector that is threaded 49/64-20. Also included is a 7 round magazine. Features: