The Geissele 9.3" Super Modular Rail (SMR) MK8 M-LOK® is designed for maximum modularity and precision. As one of the first handguards to integrate Magpul's M-LOK™ technology, this rail offers superior versatility and heat dissipation. The MK8’s vented design significantly reduces weight, ensuring a lightweight but rigid platform for tactical and competitive shooting applications. The proprietary 2.25" long barrel nut increases surface contact with the receiver, improving accuracy, durability, and zero repeatability after maintenance. Built from 7000 series aluminum and finished with a Type-3 hardcoat anodized finish, the Geissele MK8 M-LOK® handguard is engineered to withstand the harshest conditions while maintaining a sleek and streamlined profile.
The Geissele 13.5" Super Modular Rail (SMR) MK8 M-LOK® is designed for maximum modularity and precision. As one of the first handguards to integrate Magpul's M-LOK™ technology, this rail offers superior versatility and heat dissipation. The MK8’s vented design significantly reduces weight, ensuring a lightweight but rigid platform for tactical and competitive shooting applications. The proprietary 2.25" long barrel nut increases surface contact with the receiver, improving accuracy, durability, and zero repeatability after maintenance. Built from 7000 series aluminum and finished with a Type-3 hardcoat anodized finish, the Geissele MK8 M-LOK® handguard is engineered to withstand the harshest conditions while maintaining a sleek and streamlined profile.
The Geissele Super Modular Rail MK4 M-LOK® is engineered for shooters who demand strength, modularity, and performance. Designed for the rigors of duty and competition, this ultra-rugged rail provides integrated M1913 Picatinny sections at the fore of the 3, 6, and 9 o'clock positions, offering reliable attachment for lights, lasers, vertical grips, and other accessories. Maximized venting and precision-machined 7000 series aluminum ensure a rigid yet lightweight platform that handles high-heat environments with ease. The MK4 features Geissele’s proprietary 2.25" long barrel nut for increased surface contact with the receiver, delivering exceptional repeatability, rock-solid alignment, and enhanced accuracy retention. Whether you’re building a duty rifle, competition setup, or backcountry carbine, the MK4 M-LOK rail is ready to exceed your expectations.
The Geissele Super Modular Rail MK4 M-LOK® in Desert Dirt Color (DDC) is engineered for shooters who demand strength, modularity, and performance in a rugged finish. This ultra-durable handguard features integrated M1913 Picatinny sections at the fore of the 3, 6, and 9 o'clock positions, ideal for mounting lights, lasers, grips, and accessories. Maximized venting reduces weight and enhances heat dissipation, while its 7000 series aluminum construction delivers unmatched rigidity. The MK4’s proprietary 2.25" long barrel nut ensures exceptional alignment and accuracy retention. Finished in Geissele’s iconic DDC anodize, this rail not only performs but looks exceptional on any rifle. Built to go the distance and back, this rail is perfect for demanding shooters and professionals alike.
The Geissele 13.5" Super Modular Rail MK14 M-LOK® in Black offers a sleek, slim profile for rifle builders who value precision, modularity, and rigidity in their platform. Designed to minimize bulk and maximize comfort and control, the MK14 is crafted from robust 7000 Series Aluminum and Type 3 Hardcoat Anodized for superior wear resistance and durability. The MK14's reduced height and diameter make it ideal for shooters who prefer a more streamlined handguard. The long 2.25" Geissele barrel nut ensures secure and consistent mounting, increasing platform rigidity and ensuring repeatable accuracy even after disassembly. Integrated M-LOK® slots at the 3, 6, and 9 o'clock positions give you full control over accessory placement while keeping your setup lightweight. Whether you're a professional shooter, enthusiast, or competitor, the MK14 delivers Geissele’s signature strength and performance with a refined, low-profile silhouette.
The Geissele 13.5" Super Modular Rail MK4 M-LOK® – Black is purpose-built for unmatched durability and modularity. Designed with professional users in mind, this rail features integrated M1913 Picatinny sections at the 3, 6, and 9 o’clock positions for mounting mission-critical accessories. The MK4 also supports M-LOK® attachment slots and upper 45-degree quadrants, making it one of the most versatile options for the AR platform. Its robust 7000 Series Aluminum construction is finished with a mil-spec Type 3 Hardcoat Anodizing to stand up to the harshest environments. The proprietary 2.25” Geissele barrel nut increases surface contact with the receiver, delivering maximum strength, perfect alignment, and consistent repeatability—even through takedown and reassembly. Whether you're building a duty weapon or a competition rifle, the MK4 provides uncompromising rigidity, adaptability, and performance.
The Geissele 15" Super Modular Rail MK14 M-LOK® in Black offers a sleek, slim profile for rifle builders who value precision, modularity, and rigidity in their platform. Designed to minimize bulk and maximize comfort and control, the MK14 is crafted from robust 7000 Series Aluminum and Type 3 Hardcoat Anodized for superior wear resistance and durability. The MK14's reduced height and diameter make it ideal for shooters who prefer a more streamlined handguard. The long 2.25" Geissele barrel nut ensures secure and consistent mounting, increasing platform rigidity and ensuring repeatable accuracy even after disassembly. Integrated M-LOK® slots at the 3, 6, and 9 o'clock positions give you full control over accessory placement while keeping your setup lightweight. Whether you're a professional shooter, enthusiast, or competitor, the MK14 delivers Geissele’s signature strength and performance with a refined, low-profile silhouette.
The Geissele 9.3" Super Modular Rail MK14 M-LOK® is engineered for shooters who demand a slim, lightweight, and ultra-rigid rail system for their AR-15. Designed with precision and performance in mind, the MK14 features a reduced overall height and diameter to offer improved ergonomics while maintaining maximum strength. This handguard includes an updated version of Geissele’s proven 2.25" long barrel nut, creating a rock-solid interface with the upper receiver. The extended barrel nut increases surface contact for superior alignment and improved accuracy under stress. The rail is precision-machined from 7000 Series Aluminum and finished in a Type 3 Hardcoat Anodize for excellent durability. M-LOK® slots at the 3, 6, and 9 o'clock positions enable full modularity, allowing users to securely mount lights, bipods, sling attachments, and more. Built to exceed the needs of duty use and tactical shooters, the MK14 9.3" rail offers rugged reliability in a compact, mission-ready package.
The Geissele 9.3" Super Modular Rail MK16 M-LOK® - DDC is a professional-grade free float rail system engineered for durability, precision, and modular flexibility. Originally developed for the USASOC URG-I program, the MK16 rail has earned its place in some of the most elite military applications. Manufactured from 7000 Series Aluminum, the MK16 offers the optimal balance of strength and weight, while its Type 3 Hardcoat Anodized Desert Dirt Color (DDC) finish ensures lasting durability under harsh conditions. The rail secures to your upper receiver using Geissele’s updated 2.25” barrel nut, offering unmatched rigidity and alignment. Anti-rotation tabs and twin set screws guarantee that the handguard stays locked down, even under high-stress use. Featuring M1913 Picatinny rail sections at 12 o’clock and M-LOK® compatibility on every quadrant, this rail delivers full modularity for modern mission-ready builds. Whether for tactical applications, competition, or advanced personal builds, the MK16 is a battle-proven solution with heritage and performance built in.
The Geissele 9.3" Super Modular Rail MK16 M-LOK® - Black delivers unmatched durability, performance, and modularity in a compact length. Originally developed for USASOC’s URG-I program, the MK16 rail is trusted by America’s elite warfighters and now available for civilian use. Featuring a full-length 1913 Picatinny top rail and M-LOK® slots on every quadrant, this rail is built to accommodate any mission-specific accessory while keeping your rifle lightweight and sleek. The proprietary 2.25" Geissele barrel nut ensures maximum surface contact with the upper receiver, resulting in an ultra-rigid, rock-solid mounting interface and repeatable zero. CNC-machined from 7000 Series Aluminum and finished in Type 3 Hardcoat Anodized Black, the MK16 rail is designed to withstand extreme conditions while maintaining superior ergonomics and performance. Anti-rotation tabs and precision fitment ensure this rail won’t move under stress, making it ideal for demanding shooters and professional users alike.
The Geissele 10.5" Super Modular Rail MK16 M-LOK® - Black delivers unmatched durability, performance, and modularity in a compact length. Originally developed for USASOC’s URG-I program, the MK16 rail is trusted by America’s elite warfighters and now available for civilian use. Featuring a full-length 1913 Picatinny top rail and M-LOK® slots on every quadrant, this rail is built to accommodate any mission-specific accessory while keeping your rifle lightweight and sleek. The proprietary 2.25" Geissele barrel nut ensures maximum surface contact with the upper receiver, resulting in an ultra-rigid, rock-solid mounting interface and repeatable zero. CNC-machined from 7000 Series Aluminum and finished in Type 3 Hardcoat Anodized Black, the MK16 rail is designed to withstand extreme conditions while maintaining superior ergonomics and performance. Anti-rotation tabs and precision fitment ensure this rail won’t move under stress, making it ideal for demanding shooters and professional users alike.
The Geissele Super Modular Rail MK16 in 13.5" length offers unmatched performance for demanding shooters. Precision machined from high-strength 7000 Series Aluminum and finished in rugged Type-3 Hardcoat Anodize, this DDC rail is ideal for customization and durability. It mounts securely with the proven Geissele Barrel Nut design, featuring anti-rotation tabs and set screws for ultimate rigidity. M-LOK slots on all sides and a full-length Picatinny top rail make it mission-ready.
Note: First-time Geissele rail customers must purchase a Barrel Nut Wrench for proper installation.
The ALG Defense EMR V3X 15” Handguard in Black delivers exceptional strength, rigidity, and modularity for your AR-15 platform. The V3X is built around the proven EMR architecture but includes key upgrades to increase its performance and utility in demanding environments. This handguard features a full-length M1913 Picatinny rail at the 12 o’clock position, ideal for mounting front sights, lasers, IR devices, lights, and other top-mounted optics and accessories. It also supports Magpul’s M-LOK® attachment system at the 2, 4, 6, 8, and 10 o'clock positions, giving users extensive modularity and configuration freedom. Constructed from lightweight but strong 6061 aluminum and finished in a Type 3 Hardcoat Anodize, the EMR V3X is built to last. Whether you're setting up a duty rifle or optimizing your competition rig, this rail offers a solid foundation with sleek, mission-ready styling.
The Geissele Super Modular Rail MK16 in 10.5" length offers unmatched performance for demanding shooters. Precision machined from high-strength 7000 Series Aluminum and finished in rugged Type-3 Hardcoat Anodize, this DDC rail is ideal for customization and durability. It mounts securely with the proven Geissele Barrel Nut design, featuring anti-rotation tabs and set screws for ultimate rigidity. M-LOK slots on all sides and a full-length Picatinny top rail make it mission-ready.
