10" Super Modular Rail MK4 Federal M-LOK®

As low as $375.00
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This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). It’s 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 more comfortably accommodate accessories. 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.

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. CLICK HERE TO PURCHASE

NOTE: SAVE 50% OFF A SUPER GAS BLOCK (NITRIDE) WITH PURCHASE OF THIS RAIL. CLICK HERE TO PURCHASE

 

HEIGHT:   2.30"
COLOR:   Black, DDC, Gray or OD Green
MATERIAL:   6061-T6
FINISH:   Type 3 Hardcoat Anodize
LENGTH:  10"
INNER DIAMETER:   1.35"
OUTER DIAMETER (DAQ*):   2.11"
SMR MK4 FEDERAL 10" WEIGHT:    10.2oz (11.8oz w/ barrel nut)

 

*DAQ - Distance Across Quadrants

Click Here to review our DDC (Desert Dirt Color) disclaimer before purchasing.

Our rails are designed to work with Mil-Spec M4 upper receivers. The compatibility with billet receiver sets is unknown.

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SPECIAL OFFER: GET 50% OFF A SUPER GAS BLOCK (Nitride) WITH PURCHASE OF THIS RAIL. IF THIS IS YOUR FIRST TIME PURCHASING A SUPER MODULAR RAIL, YOU WILL NEED A GEISSELE BARREL NUT WRENCH TO ENSURE PROPER INSTALLATION.