KG Defender II 300AAC Blackout 16" Rifle Upper M-LOK


KG Defender II 350 Legend 16" Rifle Upper M-LOK

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5.56/300BO BCG Option

Adding Charging Handle

Cerakote Option

Foregrip Option

Optic Option

Rail Cover Option

Sight Option

KG 300AAC Defender II Upper with 15" M-LOK Free Float  Hand Guard

Please Note This Upper Does Not Come With BCG and Charging Handle. Please Use the Drop Down Menu's On The Right To Add them

If you are going to have the Upper cerakoted, please allow 2-3 weeks for shipping.

 Please note if Cerakote Option is chosen, only the Upper and Hand guard will be cerakoted.


  • 16" 4150 Vanadium 1x8 300 AAC Blackout
  • Upper with M4 Feed Ramps
  • Steel Micro Gas Block, and Pistol Length Gas Tube
  • 15" 7075 T6 Aluminum Free Float M-LOK Hand Guard
  • 5/8x24 A2 Flash Hider

All Uppers are Head Spaced and Test Fired All Uppers come with the KG Lifetime Warranty: for details please see our Customer Service page or email us.
Please Note: Your order will be cancelled if you purchase a COMPLETE LOWER and COMPLETE UPPER in the same order, even in Knock Down Condition. Please see our Shipping Policy page for a definition of "Knock Down Condition" and our Cancellation Policy.

4 Items

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