One of my favorite rails I have is the Geissele SMR MK4 which features some KeyMod slots at the 3, 6 and 9 o’clock sections as well as short rail sections up front. They now are offering the SMR MK4 with M-LOK slots. The coolest part is that they also put M-LOK slots along the upper left and upper right 45 degree angles allowing for additional mounting positions that are tucked in closer to the top rail.
As with all of the Geissele Super Modular Rails, the MK4 M-LOK will mount to Geissele’s proprietary barrel nut that makes for an …read more
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