[18″] 6.5 Grendel Upper with Stainless Barrel

(3 customer reviews)

From: $479.00

Your Upper. Your Way.

Grendel Hunter uppers are highly customizable. You aren’t stuck buying components that you’re just going to change out once you receive it. Get it built how you want it from the beginning. Here’s how it works:

Using the options below, select the components you’d like used in your upper. The base price includes components for a base model. For example, the base price includes our shortest handguard option that still covers the gas block. But if you prefer a longer handguard, you can upgrade it for a little bit more. The grand total at the bottom of the builder will update with each selection. Get started on your upper build below!

    • 18″ Stainless Liberty Barrel® made by Satern®
      • 1-7.5 Twist 5R
      • 416R Stainless Steel
      • Medium Contour
      • Mid Length Gas
      • 6mm ARC Chamber
      • Grendel Hunter AR-15 Upper Receiver
        • Billet 7075 T6 Aluminum
        • Threaded Forward Assist Roll Pin
        • Milled Logo
      • Grendel Hunter AR-15 Handguard
        • 6061 T6 Aluminum
        • 1.3″ Inside Diameter
        • Anti Rotation Tabs
        • Steel Barrel Nut
        • Steel Retention System
    • Grendel Hunter Adjustable Gas Block
      • CNC machined billet steel
      • Magnesium Phosphate finish
Options with ** after the title require a selection to add the upper to your cart.
The base price does not include a bolt carrier group or charging handle. If you already have a BCG in this caliber or have a charging handle that you like, we aren’t going to make you buy another one. You can just select “None” for those components.

Description

    • 18″ Stainless Liberty Barrel® made by Satern®
      • 1-8 Twist 5R
      • 416R Stainless Steel
      • Medium Contour
      • Mid Length Gas
      • 6.5 Grendel II Chamber

     

    • Grendel Hunter AR-15 Upper Receiver
      • Billet 7075 T6 Aluminum
      • Threaded Forward Assist Roll Pin
      • Milled Logo

     

    • Grendel Hunter AR-15 Handguard
      • 6061 T6 Aluminum
      • 1.3″ Inside Diameter
      • Anti Rotation Tabs
      • Steel Barrel Nut
      • Steel Retention System

     

    • Grendel Hunter Adjustable Gas Block
      • CNC machined billet steel
      • Magnesium Phosphate finish

     

    * Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired

    Click here to browse our other Uppers.

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3 reviews for [18″] 6.5 Grendel Upper with Stainless Barrel

  1. Customer

    I’ve had some time to put some rounds thru my GH and I’m completely happy with it. It’s more precise than I can shoot and I have no doubt it will DTR drop deer and hogs out to 300+yds (shots which I typically don’t ever take because of the potential for wounding instead of clean kills), so it fits my needs just fine. It came to me flawless and has handled cheap steel Wolf as well as premium Hornady with no problems, other than a few stovepipes with the Hornady at first because my action cycled too fast. Changing the buffer weight from 3oz to 4oz solved that problem and my rifle now cycles just fine with either the 5.56 or the 6.5 upper on it, and Andy was quickly helpful to diagnose and recommend the fix. The top of the Pic rail is about .005″ lower than the top on my receiver but I never mount anything that bridges across the two components so it’s not an issue for me and the included handguard compares favorably to a slim CMMG handguard that I’ve got on my 5.56, so no upgrade required. The rear take down pin post was too tight in my lower but 5 minutes with a fine file made it fit just right.

  2. Customer

    I received my 18 inch 6.5 upper (12 inch keymod handguards) this week… All I can say is that I am blown away by it! Fit and finish is great, super accurate, and 100% reliable out of the box. Oh, and they don’t tell you, but you also get three Picatinny rail sections so you can mount your bipod and/or tac lights, etc. Score!

    I ordered Elander mags from another company along with some ammo, but it turns out the mags are backordered… There’s no way I wasn’t going to shoot the dang thing, so I loaded up a GI 30 rounder with five rounds of Wolf steel case 100 grain solids at 7 yards to get sights on paper.

    100 % functioning! And as you would hope, five rounds touching. So I make a minor adjustment to the scope and move back to 100 yards… Nothing…. WTH?

    So back up to 25 yards… Completely keyholing. I have three perfect bullet profile shaped holes in the target!

    Now, I’m not dogging on this barrel – I knew that an 8-inch twist was too fast for that light of a bullet. I just wanted to use the cheap stuff for function testing and plinking.

    I figured I’d try some good ammo, so I loaded up some AA 129 and 130 grain match/hunting ammo and was very happy – nay, ECSTATIC – to be rewarded with 3/4 inch, 5 shot groups at 100 yards! Woohoo!

    I emailed Andy from Grendel Hunter to see if I had a problem with my upper because of the keyholing, and we both agreed that 30 rounds wasn’t enough to make a decision about whether or not there is a problem with the barrel. Also, I’ve made several changes to the rifle since day one; changing the scope, trigger and buttstock.

    So today I went back to my front yard 100 meter range and tried again. I had no issues with the Wolf steel case ammo, so once I got the scope adjusted I tried out the Wolf brass case stuff. Also no problem, and virtually identical POI. Moving to Hornady AMAX 123 gr, again, same POI. Gotta go brush-hog the pasture so I can shoot further…

    No idea what the problem was earlier – maybe a small burr, or something in the chamber or something… But the dang thing is shooting great now. I see a long, joyful life together…

    I bought this upper for deer, antelope, coyote and hog hunting here in Oklahoma, and I can’t wait to take it afield. I know it will be a great addition to my armory.

    Thanks Andy and everyone at Grendel Hunter – I am incredibly pleased with your product and hope to get more of them in the future. Highly recommended!

  3. Cade Edwards (verified owner)

    This is a wonderful upper. It is so sleek looking and very low profile and just the right length for this caliber. It is extremely accurate shooting half an MOA at 100 yards with Hornady 123 gr. SST. I would highly recommend this upper to anyone out there wanting to get a 6.5 Grendel.