Alexander upper receiver ar15.17hmr 18" s/s fluted w/kit

FEATURES:
18" Barrel
1:9 Twist Rate
1/2-28RH Threading
Tacstar Carbon Fiber Handguard
Blowback Operating System
Black Color
Two 10-round magazines
Parts Kit for Lower Conversion Included
Weight: 4.5lbs

Other Features: Fits standard ar-15 lowers, barrel threaded 1/2-28", with a1 flash hider, tacstar carbon fiber handguard, includes two 10rd magazines includes.17hmr conversion kit contains recoil cassette, magazine well insert, and magazine catch to fit most standard ar-15 lowers