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.
| Weight | 1.465 lbs |
|---|---|
| Dimensions | 12.7 × 6.3 × 4.3 in |
| Rails | |
| Finish | |
| Material | aluminum |
| Firearm Type | |
| Firearm Model | |
| Manufacturer | Geissele Automatics |
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