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AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-2

The final version of the “Grunt Series” features a low profile KeyMod compatible 10″ handguard and a ribbed for your shooting pleasure A2 style flash hider. The Veriforce AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-2 still brings, as all the “Grunt Series” do, 1 MOA or better accuracy at a value no one else can match! Don’t be greedy and tell your friends about this upper so they can enjoy the fun too.

2 customer reviews


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UPC: 617201302354
Category: 5.56 Upper Receivers, AR-15, AR-15 5.56 .223 Upper Receivers, AR-15 Complete Upper Receivers, AR-15 Uppers, AR-15 Uppers, Specials
Tags: 16" Barrel, 5.56, Anodized, AR-15, Black, KeyMod, Muzzle Devices

Our 5.56 (also shoots .223) 16” nitride barrels are 4150 Chrome Moly Vanadium (CMV). Chrome, molybdenum, and vanadium are impurities added to the barrels, that react positively with the nitriding process with fewer imperfections and a smoother finish.  By not lining our barrels with Chrome, we can keep our smooth bore intact as we do the Nitriding process.  The result is a more accurate barrel.  Our barrels should give you at least a 1” grouping at 100yards.  Most of our barrels shoot Sub-MOA, which means under 1” even with ball ammo.  The average for this barrel is 1/2” grouping at 100 yards.  This barrel is good for 15,000 rounds before you will see a drop inaccuracy. A 1:8 twist is what we find is the most versatile for the common grain bullets. Lastly, we use Nickel Boron on our barrel extension for the utmost smoothness and durability since this is high wear and tear piece.

  • Forged Upper Receiver
  • A2 Ribbed Flash Hider
  • 1 Year Limited Warranty
  • Nitrided 5.56 16″ Barrel With Carbine Gas System
  • Assembled And Built By Veriforce Tactical In Phoenix, Arizona
  • Bcg & Charging Handle NOT Included
  • 10″ Free Float Slim Keymod Handguard
  • Headspace Tested
Weight: 64 oz
Country of Origin:
Gas System:
Muzzle Devices:
Barrel Length:
Handguard Length:
Barrel Twist:
Handguard Attachment System:

2 reviews for AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-2

  1. jerome B

    If you’re on a budget AR-15 build this is your product for upper assemblies. Great finish.

  2. Jeff

    Good quality set up and the price is phenomenal but I have had problems with the rails. Nothing is an easy fit.

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