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Questions & Answers
Will this bolt on to a Colt M4 Ar15 lower? Expert Answer

Yes, it will.

by Jonathan D., Gear Expert, March 20, 2020
with bolt and carrier group or not?? Expert Answer

These uppers do not include a BCG or charging handle.

by Jonathan D., Gear Expert, November 15, 2019
Customer Reviews
Most Recent Reviews
WOW you won't believe it by Bam Bam, Verified Owner, February 4, 2020
I was updating my first AR and was poking around through all the products; then ran across this combo. Bought it when I saw it because of the ridiculously GREAT price, stainless, Diamond Dimpled; everything. For me I didn't think I would find ALL t...
Read More...
Read 1 Review

Product Discontinued by Manufacturer

Grid Defense Complete Upper Receiver has been discontinued by Grid Defense and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

Please note, this Complete Upper Receiver does not include a Bolt Carrier Group or Charging Handle.

Product Info for Grid Defense Complete Upper Receiver

Manufactured to be described as a very good item for pretty much any person, we're positive you'll appreciate the Grid Defense Complete Upper Receiver.image

These AR15 Upper Receivers from the professional product specialists at Grid Defense are fashioned by using heavy duty and reliable components, to be able to provide you with product that is going to be powerful for countless years. Manufactured utilizing some of the very best available substances and engineering, these AR15 Upper Receivers through the product experts at Grid Defense will last an unbelievably long time.

Grid Defense has been making superior quality products for a very long time, and the Grid Defense Complete Upper Receiver is their particular manner of revealing just how much they care.

At OpticsPlanet, we ensure that it is our obligation to obtain the perfect solution for all of your requirements, and featuring the Grid Defense Complete Upper Receiver is a thing that we're pleased to offer.

Package Contents:

  • Grid Defense 5.56 Complete Upper Receiver w/Diamond Dimpled Barrel

Ammunition

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Related Products to Grid Defense Complete Upper Receiver

Grid Defense Complete Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Grid Defense Complete Upper Receiver, Black, GD16E14GDR556SSDD-BLK , MPN: GD16E14GDR556SSDD-BLK , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-BLK
  • Grid Defense Complete Upper Receiver, OD Green, GD16E14GDR556SSDD-OD , MPN: GD16E14GDR556SSDD-OD , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-OD
  • Grid Defense Complete Upper Receiver, Burnt Bronze, GD16E14GDR556SSDD-BB , MPN: GD16E14GDR556SSDD-BB , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-BB
  • Grid Defense Complete Upper Receiver, Tungsten Gray, GD16E14GDR556SSDD-TG , MPN: GD16E14GDR556SSDD-TG , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-TG
  • Grid Defense Complete Upper Receiver, Blue Titanium, GD16E14GDR556SSDD-BT , MPN: GD16E14GDR556SSDD-BT , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-BT
  • Grid Defense Complete Upper Receiver, FDE, GD16E14GDR556SSDD-FDE , MPN: GD16E14GDR556SSDD-FDE , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-FDE
  • Grid Defense Complete Upper Receiver, Tactical Grape, GD16E14GDR556SSDD-GRP , MPN: GD16E14GDR556SSDD-GRP , Code: 3Q7-URC-556DIMPLED-GD16E14GDR556SSDD-GRP
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