The Super Modular Rail (SMR) MK4 M-LOK 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. It also features Geissele’s proprietary 2″ long barrel nut.
“Magpul MAG291BLK PMAG GEN M3 20rd 308 Win/7.62x51mm NATO Fits AR-10/M110/SR25 Black Polymer” has been added to your cart. View cart
| Weight | 1.59 lbs |
|---|---|
| Dimensions | 14 × 4 × 4 in |
| Manufacturer | Geissele Automatics |
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| Material | aluminum |
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