https://www.22mods4all.com/5-56-nato-operator-series-16-government-complete-rifle-1-8-twist-15-mlok-handguard-fde/
PRODUCT DESCRIPTION

Best Use: Varmint Hunting / Mid Range Shooting

Specifications:

Caliber: 
  • 5.56 Nato
Upper Receiver: 
  • Assembled Upper Receiver 
  • Charging Handle 
  • Bolt Carrier Group
Barrel: 
  • 16" Government
  • Carbine Length Gas System
  • Gas Block
  • Roll Pin
  • 1/2x28 TPI Thread
  • 1:8 Twist Rate
Lower:
  • Complete Lower
    (Semi Automatic)
Muzzle Device:
  • A2 Flash Hider
Stock Kit:
  • Loki Stock
  • Coil Spring
  • 2.5" Buffer
Handguard:
  • 15" Aluminum 
  • MLOK Style
  • Barrel Nut with Rail Attachment and Screws 
Material:
  • 7075 T6 Aluminum 
Color:
  • FDE - Cerakote

***Also includes: 1 - CProducts .223 / 5.56 30 Round Magazine