Luth-AR Rifle Kit Bull 16" Fluted Barrel Upper with Fixed Stock - LUTH RKB161

Complete AR-15 rifle build kit featuring a 16" fluted bull barrel upper receiver with 15" Keymod handguard, lower parts kit, and choice of MBA-1 or MBA-3 buttstock assembly. Kit includes all components except the stripped lower receiver and is compatible with standard AR-15 platforms.