Geissele Mk8 M-Lok Super Modular Rail | Up to 15% Off 4.9 Star Rating w/ Free Shipping

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, MK8, M-LOK, 9.3in, Black, 05-284B

Geissele Mk8 M-Lok Super Modular Rail

Geissele MK8 Super M-Lok Modular Rail, 10.5in, Black, 05-1657B

Geissele Super Modular Rail, 9.3in, MK8, M-LOK, DDC, 05-284S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, M-LOK, MK8, 13.5in, Black, 05-285B

Geissele Mk8 M-Lok Super Modular Rail

Geissele MK8 Super M-Lok Modular Rail, 10.5in, DDC, 05-1657S

Geissele Super Modular Rail, 15in, MK8, M-LOK, Black, 05-286B

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, DDC, 05-286S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S

Geissele 9.3in M-LOK Super Modular Rail MK8, Black, DDC

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail 9.3in, MK8, M-LOK, Black, 05-284B

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail 9.3in, MK8, M-LOK, Black, 05-284B

Geissele Mk8 M-Lok Super Modular Rail

Geissele MK8 Super M-Lok 10.5in Modular Rail, Black, 05-1657B

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 9.3in, MK8, M-LOK, DDC, 05-284S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 9.3in, MK8, M-LOK, DDC, 05-284S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 9.3in, MK8, M-LOK, DDC, 05-284S

Geissele Super Modular Rail, MK8, M-LOK, 9.3in, DDC, 05-284S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, M-LOK, MK8, 13.5in, Black, 05-285B

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, M-LOK, MK8, 13.5in, Black, 05-285B

Geissele Mk8 M-Lok Super Modular Rail

Geissele MK8 Super M-Lok 10.5in Modular Rail, DDC, 05-1657S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, Black, 05-286B

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, Black, 05-286B

Geissele Super Modular Rail, 15in, MK8, M-LOK, DDC, 05-286S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, DDC, 05-286S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, DDC, 05-286S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Rail, 15in, MK8, M-LOK, DDC, 05-286S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S

Geissele Mk8 M-Lok Super Modular Rail

Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S

Government Export Restriction

This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.

Documents

Geissele Super Modular Rail, MK8, M-LOK, 15in, Black, 05-286B

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Questions & Answers

Can someone tell me the weight of the rail please? Expert Answer

The Geissele 9.3in M-LOK Super Modular Rail MK8 weighs 10.6 oz.

by Ethan, Gear Expert, October 18, 2024

Does this rail internally fit a deadair sandman k? Lookin to build a Noveske 300BlkOut with a 7.94” barrel and this handguard with my sandman K . Expert Answer

The Geissele 9.3in M-LOK Super Modular Rail MK8 has an internal diameter of 1.35". The Sandman K will not fit inside the Geissele 9.3in M-LOK Super Modular Rail MK8.

by Hunter, Gear Expert, September 18, 2023

View All Q&A You Have a Question? Ask!

Customer Reviews

Helpful Positive Review

MK8 with 10.3 inch barrel by Tristan, September 20, 2021

I paired this upper with a 10.3 inch barrel and love how it turned out. It has a generous amount of barrel sticking out from the upper (about 0.3 inches) if you choose to attach a suppressor. Rock solid attachment to my upper. Just make sure you have...
Read More...

3/3 found this helpful

Helpful Positive Review

Buy once Cry once by Kay460, January 18, 2019

Worth every penny. The rail has a super snug fit and is durable. Just like every other Geissele product, you can expect nothing but perfection from this rail from the fit, to the FDE coating. The rail shaved atleast 4 ounces off my AR.

2/2 found this helpful

Helpful Positive Review

Sturdy but hefty by Hrebs, Verified Owner, April 3, 2020

Great handguard. Easy mounting. It’s rock solid and has held up well after a about a year. It’s a little on the heavy side and not quite as ergonomic as something slimmer like a bcm. Highly recommended

1/1 found this helpful

Helpful Positive Review

Geissele Mk8 rail by Patrick, March 27, 2018

Fit and finish is fantastic! Not only does it look amazing but it is very functional. Pricy, but you get what you pay for. Also didn’t need to buy a gas block because it came with one, which is really nice! I’m a very pleased with my purchase. Thanks...
Read More...

1/1 found this helpful

Most Recent Reviews

in my opinion, the best rail geissele makes by Steven Boykin, Verified Owner, May 27, 2026

Purchased this because they had geissele rails on sale cheaper than a mid tier rail. I love the mk8 , but you should always get what you prefer. You can nit pick any rail if you try hard enough, but I don't know anyone who wouldn't like to have a g...
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Most Recent Reviews

Geissele MK8 M-Lock Rail by Danny, Verified Owner, April 17, 2026

The handguard is a beautiful and rugged addition to new Aero 300BLK. The shipping was fast, the product arrived safely with no damages... Thanks Optics Planet!

Read All 27 Reviews

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See promotional details

Blazin' Deal

Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!

In Stock

8 Models Available

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Finish

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Fabric/Material

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Weight

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Included Accessories

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Handguard Length

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Geissele Super Modular Rail, MK8, M-LOK, 9.3in, Black, 05-284B

Color:: Black
Finish:: Type III Hardcoat Anodized
Fabric/Material:: 6061-T6
Weight:: 9.9 oz
Included Accessories:: Standard
Handguard Length:: 9.3 in

Code: 1TO-HZ-95MK8-05-284B

MPN: 05-284B

UPC: 854014005779

Blazin' Deal

List: ~~$275.00~~Save $5.00

$270.00

Geissele MK8 Super M-Lok Modular Rail, 10.5in, Black, 05-1657B

Color:: Black
Finish:: Type 3 Hard Coat Anodized
Fabric/Material:: 7000-series aluminum
Weight:: 9.9 oz
Handguard Length:: 10.5 in

Code: 1TO-HZ-95MK8-05-1657B

MPN: 05-1657B

UPC: 810081130073

Blazin' Deal

List: ~~$325.00~~Save 10%

$292.50

Geissele Super Modular Rail, MK8, M-LOK, 9.3in, DDC, 05-284S

Color:: DDC
Finish:: Type III Hardcoat Anodized
Fabric/Material:: 6061-T6
Weight:: 9.9 oz
Included Accessories:: Standard
Handguard Length:: 9.3 in

Code: 1TO-HZ-95MK8-05-284S

MPN: 05-284S

UPC: 854014005786

Blazin' Deal

List: ~~$300.00~~Save $7.50

$292.50

Geissele Super Modular Handguard Rail, M-LOK, MK8, 13.5in, Black, 05-285B

Color:: Black
Finish:: Type III Hardcoat Anodized
Fabric/Material:: 6061-T6
Weight:: 9.9 oz
Included Accessories:: Standard
Handguard Length:: 13.5 in

Code: 1TO-HZ-95MK8-05-285B

MPN: 05-285B

UPC: 854014005793

Blazin' Deal

List: ~~$350.00~~Save 15%

$297.50

Geissele MK8 Super M-Lok Modular Rail, 10.5in, DDC, 05-1657S

Color:: DDC
Finish:: Type 3 Hard Coat Anodized
Fabric/Material:: 7000-series aluminum
Weight:: 9.9 oz
Handguard Length:: 10.5 in

Code: 1TO-HZ-95MK8-05-1657S

MPN: 05-1657S

UPC: 810081130066

Blazin' Deal

List: ~~$350.00~~Save 10%

$315.00

Geissele Super Modular Rail, MK8, M-LOK, 15in, Black, 05-286B

Color:: Black
Finish:: Type-3 Hardcoat Anodize
Fabric/Material:: 6061-T6
Weight:: 12.4 oz
Included Accessories:: Standard
Handguard Length:: 15 in

Code: 1TO-HZ-95MK8-05-286B

MPN: 05-286B

UPC: 854014005816

Blazin' Deal

List: ~~$325.00~~Save $6.25

$318.75

Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S

Color:: Desert Dirt
Finish:: Type III Hardcoat Anodized
Fabric/Material:: 6061-T6
Weight:: 9.9 oz
Included Accessories:: Standard
Handguard Length:: 13.5 in

Code: 1TO-HZ-95MK8-05-285S

MPN: 05-285S

UPC: 854014005809

Blazin' Deal

List: ~~$375.00~~Save 10%

$337.50

Geissele Super Modular Rail, MK8, M-LOK, 15in, DDC, 05-286S

Color:: DDC
Finish:: Type-3 Hardcoat Anodize
Fabric/Material:: 6061-T6
Weight:: 12.4 oz
Included Accessories:: Standard
Handguard Length:: 15 in

Code: 1TO-HZ-95MK8-05-286S

MPN: 05-286S

UPC: 854014005823

Blazin' Deal

List: ~~$400.00~~Save 15%

$340.00

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Made in USA

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.

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Product Info for Geissele Mk8 M-Lok Super Modular Rail

The Super Modular Rail (SMR) MK8 M-LOK is Geissele ultra-modular model. The SMR MK8 is one of the first AR Handguards & Forends to utilize the Magpul M-LOK technology, designed to give the user full modularity while maintaining a strong and rigid platform. It uses Magpul's M-LOK technology at the 3, 6, and 9 o'clock positions and the upper 45-degree quadrants. Maximum venting at the lower 45-degree quadrants creates maximum heat dissipation and dramatically reduces the rail's overall weight. The SMR MK8 is versatile and modular, allowing users to tailor their platform to their unique needs. The SMR MK8 also features Geissele's proprietary 2-inch long barrel nut. This increases the surface contact where the rail interfaces with the receiver and creates a platform that can be trusted to be straight and true the entire length of the free-float rail. This increases accuracy and zero repeatability during disassembly and reassembly when performing maintenance. The Geissele Super Modular Rail is a great upgrade for your AR15.

WARNING: California`s Proposition 65

Specifications for Geissele Mk8 M-Lok Super Modular Rail:

Manufacturer:	Geissele
Gun Make:	AR Platform
Gun Model:	AR-15
Gun Type:	Rifle
Gun Rail:	Picatinny
Condition:	New
Inner Diameter:	1.35 in
Outer Diameter:	2.11 in
Height:	2.3 in
Mount Type:	M-LOK
Country of Origin:	USA
Quantity:	1

Package Contents:

Geissele 9.3in M-LOK Super Modular Rail MK8

NOTE: IF THIS IS YOUR FIRST TIME PURCHASING A GEISSELE AUTOMATICS RAIL, YOU WILL NEED TO PURCHASE A BARREL NUT WRENCH IN ORDER TO PROPERLY INSTALL THE RAIL.

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Geissele Mk8 M-Lok Super Modular Rail Orderable Models

List of Orderable Models

Geissele Super Modular Rail, MK8, M-LOK, 9.3in, Black, 05-284B , MPN: 05-284B , UPC: 854014005779 , Code: 1TO-HZ-95MK8-05-284B
Geissele MK8 Super M-Lok Modular Rail, 10.5in, Black, 05-1657B , MPN: 05-1657B , UPC: 810081130073 , Code: 1TO-HZ-95MK8-05-1657B
Geissele Super Modular Rail, MK8, M-LOK, 9.3in, DDC, 05-284S , MPN: 05-284S , UPC: 854014005786 , Code: 1TO-HZ-95MK8-05-284S
Geissele Super Modular Handguard Rail, M-LOK, MK8, 13.5in, Black, 05-285B , MPN: 05-285B , UPC: 854014005793 , Code: 1TO-HZ-95MK8-05-285B
Geissele MK8 Super M-Lok Modular Rail, 10.5in, DDC, 05-1657S , MPN: 05-1657S , UPC: 810081130066 , Code: 1TO-HZ-95MK8-05-1657S
Geissele Super Modular Rail, MK8, M-LOK, 15in, Black, 05-286B , MPN: 05-286B , UPC: 854014005816 , Code: 1TO-HZ-95MK8-05-286B
Geissele Super Modular Handguard Rail, MLOK, MK8, 13.5in, Desert Dirt, 05-285S , MPN: 05-285S , UPC: 854014005809 , Code: 1TO-HZ-95MK8-05-285S
Geissele Super Modular Rail, MK8, M-LOK, 15in, DDC, 05-286S , MPN: 05-286S , UPC: 854014005823 , Code: 1TO-HZ-95MK8-05-286S

Geissele Mk8 M-Lok Super Modular Rail Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Geissele Super Modular Rail 9.3in, MK8, M-LOK, Black, 05-284B , MPN: 05-284B-DEMO , Code: 1TO-HZ-95MK8-05-284B-DEMO
DEMO, Geissele MK8 Super M-Lok Modular Rail, 10.5in, Black, 05-1657B , MPN: 05-1657B-DEMO , Code: 1TO-HZ-95MK8-05-1657B-DEMO-OB-A
DEMO, Geissele Super Modular Rail, 9.3in, MK8, M-LOK, DDC, 05-284S , MPN: 05-284S-DEMO , Code: 1TO-HZ-95MK8-05-284S-DEMO

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Geissele Mk8 M-Lok Super Modular Rail Up to 15% Off Plus Blazin' Deal w/ Free S&H — 8 models

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Made in USA

Product Info for Geissele Mk8 M-Lok Super Modular Rail

Specifications for Geissele Mk8 M-Lok Super Modular Rail:

Package Contents:

Geissele Mk8 M-Lok Super Modular Rail Orderable Models

List of Orderable Models

Geissele Mk8 M-Lok Super Modular Rail Unavailable & Discontinued Models

List of Unorderable Models

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More Deals

Geissele Mk8 M-Lok Super Modular Rail Up to 15% Off Plus Blazin' Deal w/ Free S&H — 8 models

Save Big on Select Geissele Products

Made in USA

Product Info for Geissele Mk8 M-Lok Super Modular Rail

Specifications for Geissele Mk8 M-Lok Super Modular Rail:

Package Contents:

Geissele Mk8 M-Lok Super Modular Rail Orderable Models

List of Orderable Models

Geissele Mk8 M-Lok Super Modular Rail Unavailable & Discontinued Models

List of Unorderable Models