AR15 Quantum M-LOK Handguards

Aero Precision AR15 Quantum M-LOK Handguards

AR15 Quantum M-LOK Handguards Product Sku: APPG400002
$64.99
 
 
 
$64.99
Description

Our Quantum Series M-LOK Handguards minimize bulk while providing an adaptive free float design that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission. Machined to exacting dimensions from 6061-T6 aluminum it is the perfect handguard for your next AR15 build.

Features:

  • Designed to work with our M4E1 Upper Receiver
  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 8 mounting surfaces for M-LOK accessories
  • 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks
  • Made in the USA

Are you attaching this handguard to a standard threaded upper receiver?
Make sure to select "Yes" under the BAR Barrel Nut option above (shims included). Our handguards use the BAR interface and do not work with a standard barrel nut. If you are using our M4E1 Enhanced Upper Receiver, no additional pieces are needed. Purchased with a handguard, the BAR Barrel Nut is $20 ($40 when sold separately).

*Please note - This handguard is specific to the AR15/M4E1 platform. It is not compatible with the M5 .308/M5E1 platform. *Polymer front Magpul MBUS sights may require modification to the sight for installation.

Specifications
Made In America? Yes
Platform AR15
Series M4E1
Attachment Type M-LOK
Material Machined from 6061-T6 aluminum
Weight(s) 7" - 7.2oz, 9" - 8.8oz, 12" - 11.2oz, 15" - 13.6oz
Other Handguard Screw Torque - 25 in-lbs
Reviews

Customer Reviews

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outstanding cust. service to go with an excellent product Review by Bill
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ordered Mon afternoon and it was in my mailbox Thursday (from Seattle to Alabama), great customer service. Excellent fit and finish on this hand-guard and the Aero upper I put it on. This was my first experience with Aero Precision but they'll certainly be my go-to vendor for all future AR builds. (Posted on 8/24/2017)
Overall Excellent, MBUS Iron-sight Modification Needed Review by AJ
Quality
Price
Value
As other have state, Magpul's MBUS Type-2 front sight needs to be filed down sightly to properly flip.

The hand guard it too close to the lower portion of the sight and does not allow the sight flip release to be pressed fully down. With a little sanding on the polymer front sight flip release, the sight works as intended. (Posted on 8/14/2017)
Decent but disappointing Review by LJ
Quality
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Value
I was very excited to hear about this product as it incorporates some innovative features and is priced well below the other USA-made M Lok handguards I had seen on the market, and because Aero Precision has such a good reputation. After much shopping around and waiting for a good deal, I finally ordered one as part of a 4th of July sale.

Upon unwrapping I was immediately disappointed to find what looked like smears in the anodizing at the fore end (that wouldn't rub off - not just grease) on multiple surfaces. I then noticed two small dings at the rear, rough enough to catch a fingernail and going all the way through the anodizing to expose raw aluminum. The handguard was properly packed with no signs of damage to the shipping box.

I contacted the merchant to see if perhaps they had sent me a blemished or returned product by mistake, but they assured me that they had sent it straight from Aero Precision without even opening it (and the company doesn't re-sell returned products), but they offered to send me a return label or to let me keep it with a partial refund. As the issues were mostly cosmetic, I opted to go with the partial refund.

But then as I went to install it I found that the included screws, though sealed in their zip bag, appeared tarnished or at the very least unevenly coated. Some were black while others appeared almost brassy (I have photos I took of all the issues if Aero would like to see).

Now for the good: Though it took a little while to get the right timing for the BAR nut to accommodate the gas tube, once I did the installation was straightforward and it feels very secure. The handguard itself feels good in the hand (it's a little larger diameter than I would prefer, but that's a minor complaint) and it's difficult to overstate just how solid it feels. You can tell it's a well-designed product, and I like the 8 usable M Lok faces and the omission of the full length top Picatinny rail. The handguard is a little heavier than some others, but I knew that before I ordered it and I think it's a fair trade off for it feeling so solid.

So to recap, most of my complaints are cosmetic (though I am concerned about corrosion on the unevenly finished screws) and hopefully limited to my specific unit. And I am grateful to have gotten such a solid and well-designed product for such a great price. But it's disappointing to have received an item that was so blemished that I'd really call it damaged from a company with such a good reputation. I'm afraid they let their quality control slip a little on mine. (Posted on 7/15/2017)
Great fit Review by Nick
Quality
Price
Value
Purchased this to go with my Special Edition: Freedom set from Aero Precision. Everything lines up nice and makes for a sweet looking build. Followed the directions and had no problems getting the nut timed. Looking forward to doing more with Aero Precision products! (Posted on 5/14/2017)
I've installed 3; can't get enough Review by Chris Cuomo
Quality
Price
Value
I realized I hadn't written a review after putting 3 of these (2x12", 1x15") M-Lok, black, free float tubes on AR-15s. At first I hated the BAR Barrel nut, because my standard Chinese AR-15 barrel wrench didn't quite line up 3 holes, so I had to use 2, and like another reviewer said, it started to bulge the index holes in the nut. I got it installed, but it wasn't fun. However, once I started using an MI barrel nut wrench, it lines up perfectly, it doesn't bulge the holes, and I'm able to put a lot of foot pounds on my barrel nut when I use a cheater bar. Now, other than the BAR barrel nut (which you won't use on an M4E1 Enhanced upper), there is not much to complain about this free float tube. I also noted that the keymod version only has 7 mounting surfaces, because the 12 o'clock doesn't have keymod holes. The M-lok is once again superior. Great product. One warning; even though there's no full rail on top, these weigh more than the other Aero Hand guards in the same length; probably because there is more material to accommodate for the 8 mounting surfaces. So if you're going for light-as-possible, buy one of the more expensive Aero Handguards, not the Quantum. (Posted on 4/1/2017)
99% perfect Review by Kevin
Quality
Price
Value
As everyone here states, this is an excellent piece of hardware. I have one minor issue with it that may be of concern to potential buyers. I tried to mount a GEN2 MBUS and the release lever on the MBUS will interfere with the handguard and will not "flip Up". I resolved this issue in 5 minutes by carefully relieving the inside under MBUS release lever about .025" with a file. (Posted on 3/16/2017)
Great Value and Product Review by MICHAEL
Quality
Price
Value
I've always considered a Free Float Handgaurd but didn't want to fork over $200 for one. Order this one cause I have an Aero Lower and it has held up nicely. Over the handgaurd itself is great. The barrel Nut not so pleased with. I had to exchange Armorers wrench 3 times to get the one that matches the hope pattern. Once I did find one, the outter edge of the tool holes started to bulge out and I was afraid I was going to break it. Then to get the handgaurd on, I had to sand down where the holes outter edge where it started to bulge and even then it was tough to get the handgaurd to line up. All and all a great product for the price. So for that I gave Quality a 3. My lower receiver was a 5 all across the board. (Posted on 3/5/2017)
A great value Review by Andrew
Quality
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Value
Bought one of the 7" handguards and an enhanced upper to use on an 8" .300bo sbr, and I'm very impressed with both of them. They fit together nice and tight and lockup securely while staying very light. My only complaint is some of the screw holes on the upper don't quit match up with the ones on the handguard, it isn't really an issue as you can still install the screws but it means you heave to work at keeping them from cross threading when you start tightening then. (Posted on 1/27/2017)
Solid handguard Review by Ray
Quality
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Awesome hand guard with a sleek design. The BAR nut installed easily on my AP upper. Aligned perfectly at 50 lbs torque, no shims. Thanks AP (Posted on 12/30/2016)
Bought12" for Grendel Build Review by Josh
Quality
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Value
Received my handguard in good time. Ordered it with the barrel nut. Found that the nut had been damaged, maybe in shipping or from Aero. Called them and they took care of me. A+ (Posted on 12/27/2016)

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