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Customer Reviews
Helpful Positive Review
Sleek and light by D, Verified Owner, December 10, 2023
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.
1/1 found this helpful
Most Recent Reviews
Geissele MK16 Super M-Lok 15in Modular Rail by Gary, Verified Owner, 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.
Most Recent Reviews
One of the Best Rails on the Market by Michael, Verified Owner, 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 upg...
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Most Recent Reviews
This thing is awesome! by 19THPlace, Verified Owner, March 13, 2025
Best hand guard Ive have owned. The color is so much nicer in person. I should have bought two.
Most Recent Reviews
Gei$$ele MK16 by Michael, Verified Owner, 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 ...
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Most Recent Reviews
MK16 or nothing. by Speedy, Verified Owner, February 6, 2025
I couldn’t be happier. You won’t be able to find a better hand guard for the price. Perfection.
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Geissele MK16 Super M-Lok 15in Modular Rail

The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated version of the proven Geissele Barrel Nut design, the MK16 is not only easy to install and maintain, but offers superior rigidity. Anti-rotation tabs and set-screws ensure that your rail will not rotate, even under the most extreme conditions of use. M1913 picatinny rail on top and M-LOK slots on every quadrant ensures maximum customization for all your accessories. The Geissele SMR MK16 is precision machined using 7000 Series Aluminum due to its strong, rigid and light properties, and is finished in durable Type-3 Hardcoat anodized.image

WARNING: California`s Proposition 65

Specifications for Geissele MK16 Super M-Lok 15in Modular Rail:

Manufacturer: Geissele
Finish: Type 3 Hard Coat Anodized
Fabric/Material: 7000-series aluminum
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Handguard Length: 15 in
Handguard Type: Free-Float
Gun Rail: Picatinny
Weight: 14.2 oz
Condition: New
Inner Diameter: 1.26 in
Outer Diameter: 1.59 in
Height: 2.39 in
Mount Type: M-LOK
Country of Origin: USA

Package Contents:

  • Geissele MK16 Super M-Lok 15in Modular Rail

Geissele MK16 Super M-Lok 15in Modular Rail Orderable Models

List of Orderable Models

  • Geissele MK16 Super M-Lok 15in Modular Rail, Black, 05-792B , MPN: 05-792B , UPC: 817953028322 , Code: 1TO-HZ-MLNB15-05-792B
  • Geissele MK16 Super M-Lok 15in Modular Rail, DDC, 05-792S , MPN: 05-792S , UPC: 817953028339 , Code: 1TO-HZ-MLNB15-05-792S

Geissele MK16 Super M-Lok 15in Modular Rail Unavailable & Discontinued Models

List of Unorderable Models

  • USED Geissele MK16 Super M-Lok 15in Modular Rail, Black, 05-792B, EDEMO1, Used, Condition Like New , MPN: 05-792B-EDEMO1 , Code: 1TO-HZ-MLNB15-05-792B-EDEMO1
  • DEMO, Geissele MK16 Super M-Lok 15in Modular Rail, DDC, 05-792S , MPN: 05-792S-DEMO , Code: 1TO-HZ-MLNB15-05-792S-DEMO
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