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Geissele MK16 Super M-Lok 15in Modular Rail
As Low As $334.49 Save 11%
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Most Helpful Positive Review Sleek and light
The rail is really really light even lighter than my 9" mlok rail from PSA. There's lots of room for accessories and add-ons to allow for a number of different build types. Although a bit on the pricey side I would still highly recommend this rail.
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Geissele MK16 Super M-Lok 15in Modular Rail

by Gary, Verified Owner from CT, United States Written on October 6, 2025
I'm very happy with this purchase. Install was easy, just wish I knew you needed a proprietary barrel nut wrench when I purchased this. Great quality from Geissele as always.
Would recommend: Yes
Was it helpful to you? Yes | No

One of the Best Rails on the Market

by Michael, Verified Owner from NH, United States Written on June 3, 2025
I really like the MK16 Rail for a number of reasons. It's very lightweight and comfortable in the hand. The machining is very good, as expected from Geissele. The more recent anodizing is a golden brown if anyone cares about that. I also like the upgraded Steel QD Mount and how they now retain the two castle nut screws. The rail is super solid and holds zero.
Pros:
  • Lightweight
  • Quality
  • Machining is excellent
  • Anodizing is good
  • solid mounting
Cons:
  • price
Best Used for:
  • SPR or SDMR type builds.
Would recommend: Yes
Was it helpful to you? Yes | No

This thing is awesome!

by 19THPlace, Verified Owner from VA, United States Written on March 13, 2025
Best hand guard Ive have owned. The color is so much nicer in person. I should have bought two.
Would recommend: Yes
Was it helpful to you? Yes | No

Gei$$ele MK16

by Michael, Verified Owner from NH, United States Written on March 10, 2025
I have a clone correct URGI (14.5" Barrel + 13.5" MK16 Rail); however, I recently purchased a Geissele Chrome Lined "Button" Barrel (5.56) that is 16.25" long. This barrel has a proprietary gas tube somewhere between a Mid-Length and a Rifle Length Gas System. Anyway, I decided to get the 15" MK16 Rail (DDC) because they're lighter weight and very comfortable. Really well made product but you doo pay for it. Never had any complaints with Geissele Products
Pros:
  • light weight
  • Strong
  • Looks cool
Cons:
  • price
Best Used for:
  • URGI
Would recommend: Yes
Was it helpful to you? Yes | No

MK16 or nothing.

by Speedy, Verified Owner from VA, United States Written on February 6, 2025
I couldn’t be happier. You won’t be able to find a better hand guard for the price. Perfection.
Pros:
  • easy to install
  • 2 QD points
  • Full rail
  • 7 sided mlok
Cons:
  • Absolutely none
Best Used for:
  • 16 inch barrel
Would recommend: Yes
Was it helpful to you? Yes | No

phenomenal hand guard! From a great brand!

by Phxsnoboarder, Verified Owner from OH, United States Written on August 1, 2024
I have been Jenn for this one for at least six months. Then I saw at a price I could not pass up. OpticsPlanet did not fail to deliver! Received in two days and a sweet price. I would highly recommend this hand guard to anyone.
Would recommend: Yes
Was it helpful to you? Yes | No

Phenomenal hand guard!

by Phxsnoboarder, Verified Owner from OH, United States Written on July 25, 2024
Amazing handguard. Geissele's handguard is in use by USASOC, and the quality shows! It's superb and stiff, but still being relatively lightweight. I think next time I'd go with the MK-14 but that's a personal choice based purely on weight alone. Email with Geissele's own design staff, confirmed that the slight weight (and I mean ounces!) difference is due to added stiffeners in the guard's sidewalls. Either way you CANNOT go wrong with this purchase, and especially at this price! Beat's the MFSRP by about 10-15%.
Would recommend: Yes
Was it helpful to you? Yes | No

Amazing price for an amazing handguard

by Phxsnoboarder, Verified Owner from OH, United States Written on July 21, 2024
Had been eyeing this for quite some time. Top-tier product from a top-tier manufacturer. And I couldn’t pass up the price! Optics planet delivered it in two days when it was promised in four. So half the time. And again could not beat the price!
Would recommend: Yes
Was it helpful to you? Yes | No

Finish is excellent

by JustaNobody, Verified Owner from AZ, United States Written on May 17, 2024
This is Geissele quality
Excellent anodizing, with even colors in FDE

The colors vary, but they vary from chocolate FDE to clear/light FDE

Rail is definitely well polished and looks great, but mine had some metal shavings around small screws on the tab, near the inner part of the rail. That's my only objective complaint.
Would recommend: Yes
Was it helpful to you? Yes | No

Geiselle MK16 15 inch rail

by Eric Niemisto, Verified Owner from AL, United States Written on March 12, 2024
Geiselle has always made solid products. I replaced an Aero Precision handguard with the mk16 and its night and day a superior handguard. Solid lockup with the upper reciever. The MK16 is ridgid and accepts whatever accessories you want. I've got a bcm vertical grip and modlight okw with an arisaka inline scout mount and it all fit and functions great.
Pros:
  • cost
  • High quality
  • Solid lockup
Cons:
  • Barrel nut wrench not included
Best Used for:
  • Duty,recreational
Would recommend: Yes
Was it helpful to you? Yes | No
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