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GEISSELE AUTOMATICS
AR-15 MK4 FEDERAL SUPER MODULAR RAILS

817953027936 100042819
This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
449.9 479.9 4 GBP
Product no.: 100042819
GEISSELE AUTOMATICS MK4 10" FEDERAL SUPER MODULAR RAIL M-LOK OD GREEN
Mfr Part: 05-430ODG 817953027936 This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
479.9 GBP 0 £479.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Color: O.D. Green Length: 10 Make: AR-15 Material: Aluminum Style: M-LOK Type: Drop-In

Top takeaways

  1. The AR-15 MK4 Federal Super Modular Rail by Geissele Automatics LLC is used by the FBI and offers strength, modularity, and M-LOK compatibility for various missions.
  2. It features integrated M1913 Picatinny rail sections and enhanced venting for heat dissipation while maintaining a lightweight yet rigid structure.
  3. The rail is available in multiple colors, including OD Green, and is made of aluminum, with a 10” length suitable for the AR-15 platform.

Attributes

Colour: O.D. Green Length: 10 Make: AR-15 Material: Aluminum Style: M-LOK Type: Drop-In Delivery weight: 0.513kg

Item details

Made in USA
US export classification: 0A501.y.1



Product no.: 100042827
GEISSELE AUTOMATICS MK4 10" FEDERAL SUPER MODULAR RAIL M-LOK BLACK
Mfr Part: 05-430B 817953027905 This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
449.9 GBP 5 £449.90 *
Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse
Specs: Color: Black Length: 10 Make: AR-15 Material: Aluminum Style: M-LOK Type: Drop-In
Product no.: 100042828
GEISSELE AUTOMATICS MK4 10" FEDERAL SUPER MODULAR RAIL M-LOK DDC
Mfr Part: 05-430S 817953027912 This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
479.9 GBP 6 £479.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Color: DDC Length: 10 Make: AR-15 Material: Aluminum Style: M-LOK Type: Drop-In
Product no.: 100042818
GEISSELE AUTOMATICS MK4 10" FEDERAL SUPER MODULAR RAIL M-LOK GRAY
Mfr Part: 05430GRY 817953027929 This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
Notify on availability
Not available.
Specs: Color: Gray Length: 10 Make: AR-15 Material: Aluminum Style: M-LOK Type: Drop-In

🔫 Upgrade your AR-15 with the MK4 10" Federal Super Modular Rail by Geissele, the choice of the FBI. M-LOK compatible & in OD Green. Shop now! 🛒

This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. The Picatinny rail on the bottom of the rail, or the 6 o’clock position, is elongated in this version to accommodate accessories more comfortably. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o’clock positions as well as the upper 45° quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Available in Black, DDC, Gray, and OD Green All rails 10” long Made of Aluminum and feature M-LOK slots
In stock
£94.90 * £94.90 - £104.90*
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