Description
Alexander Arms’ 12″ .50 Beowulf pistol upper is a complete, ready-to-run assembly built for AR-platform pistols and SBRs, pairing a chrome-moly 1:20-twist barrel with a lightweight Tacstar carbon fiber handguard for reduced weight up front. It ships fully assembled with bolt carrier group, charging handle, gas system, and a 7-round magazine, and drops onto any mil-spec lower with no modification required.
- Barrel : 12″
- Threading : 49/64-20RH
