The Super Modular Rail SMR MK4 MLOK are purposebuilt and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3 6 and 9 oclock positions. It also features Geisseles proprietary 2 long barrel nut.
STOCK NOTICE: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.