PRODUCT DETAILS FAMILY:HK416 Series  MODEL:HK416  TYPE:Rifle  ACTION:Semi-Auto  FINISH:Matte Black  STOCK/GRIPS:HK Stylebutstock, Slim  SPC FEATURE:Threaded Barrel Model  WEIGHT:8.6 lbs  CALIBER/GAUGE:22 LR  CAPACITY:20 1  # OF MAGS:1  MAGAZINE DESC:20 rd. Polymer Magazine  BARREL:16.1"  OVERALL LENGTH:32.7"  SIGHTS:Polymer Flup Up Front and Rear  SAFETY:Ambidextrous Safety  ADDL INFO:Aluminum Upper and Lower  ADDL INFO:Aluminum M-Lok Rail  ADDL INFO:Ambidextrous Charging Handle