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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.
| UPC | 854014005717 |
|---|---|
| Manufacturer | Geissele Automatics |
| Manufacturer Part Number | 05278B |
| Color | Black |
| Length | 13.5 |
| Model | Super Modular |
| Product Type | Drop-In |
| Style | M-LOK |
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