Review: Strike Industries Mega Fins XL Keymod Rail

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A while back Phil posted a review of the Strike Industries Mega Fins XL Keymod rail, you can read it here. I admittedly am a huge fan of many of Strike’s offerings, when I was told that I would be sent the  15″ version of the new Mega Fins XL I jumped at the opportunity.

Taking a look at the specs from Strike Industires website you see that the rail is a excelent value for the money.

The Mega Fins-XL Handguard Line is the latest and greatest rail from Strike Industries. SI is finally offering a wider handguard rail system available in both M-Lok and Key-Mod versions ranging in lengths 7”, 10”, 11”, 12”, 15”, 16.25” and 17”! All lengths except the 7” model feature an integrated, adjustable; flip up front sight, which folds down flush to the rail for the ability to still mount over if desired. With an internal diameter of 1.51” you can run recessed suppressed or have room for larger diameter muzzle devices if needed. The Strike Industries Mega Fins XL is the ultimate addition to the AR product line!

 

Package include
1x 7″ Mega Fins XL M-Lok Handguard Rail
1x Mounting Hardware Kit
1x Barrel Nut
1x Barrel Nut Wrench

Features

-Integrated, adjustable; flip up front sight (7″ does not)
-1.51” internal Diameter
-Available in M-Lok and Key-Mod Versions
-7 different lengths available

With 7 different lengths available finding the right length rail for your needs is easy. I also really liked the addition of  folding front sight. I like having back up iron sights, but realistically I never have a need for them. In a combat environment breaking optics happens and back up iron sights are necessary, but if I break my optic at the range I am just going to pack that particular rifle up and pull out another.  Still, I love the fact that Strike included it for those that want it or need it.

Install is really easy using the provided barrel nut and wrench. It is a two piece design, the smaller castle style nut allows you to adjust the final position of the barrel nut so the rail lines up properly. The included wrench has provisions for both the interior castle style nut and the exterior portion. DSC_0508

Strike recommends torquing the barrel nut  to somewhere between 40 pound feet and 80 pound feet. DSC_0510

After the barrel nut is installed properly, the only thing left is to slide the rail over the barrel nut and secure it with 8 hex head screws. DSC_0511

I am going to steal one of Phil’s photos here as mine didn’t turn out too well. Here is a shot of the mounting screws. You can also see the small set screws at the rear of the rail that make sure it is held secure. The Mega Fins XL also has several options on where to put a quick detach sling mount.P5260006

Here is the folding front sight. It is a bit thin and fragile, but in a pinch it should work out OK.DSC_0514

You can see the small adjustment screw that allows for height adjustment. The front wight is recessed pretty well and requires a fingernail or something to grab a hold of it. DSC_0515

All and all it is a rather handsome rail. DSC_0516

I wont be hitting the range with the rifle till I pick up a scope so stay tuned for a range update in the coming months, but after playing with the rifle for a but I have found my new go to rail. DSC_0512

I am pretty pleased with the all new Mega Fins XL rail from Strike industries. I liked it so much that I am going to order a 10″ length rail for my 300 blackout hog rifle. The Mega Fins XL has a lot of great features for a pretty reasonable price. The rail as tested carried a MSRP of $199, other lengths of the rail have a MSRP ranging between $139 to $219 depending on length.

If you would like to learn more about the Mega Fins XL rail from Strike Industries head on over to the product page at Strike Industries website by clicking here.



Patrick R

Patrick is a Senior Writer for The Firearm Blog and works in the shooting sports industry. He is an avid recreational shooter and a verified gun nerd. With a lifelong passion for shooting, he has a love for all types of firearms, especially handguns and the AR-15 platform. Patrick may be contacted at tfbpatrick@gmail.com.

The above post is my opinion and does not reflect the views of any company or organization.


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  • Green Hell

    Still haven’t seen any FF handguard that looks better, smoother and rounder than ALG EMR V2 and V3. The quad rails are almost gone, why do we have to still make those handguards so blocky?

    • Cymond

      KeyMod and M-LOK both have flat mating surfaces, which leads to rails that are polygonal rather than round.

  • thedonn007

    So, what does the “fin” in Megafins stand for?

  • Sianmink

    Would have liked to see a folding front sight with a standard A2 front sight post mount, which would open up a lot of options for fiberoptic and tritium and other such things.

  • Gabberstone

    The barrel nut by itself weighs about the same as a complete BCM KMR handguard.

    • Patrick R.

      Except someone has these in stock.

  • Mike

    Wondering if this would fit over a LWRC gas block. These piston guns could use an updated fore end.