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.

$290.24
Geissele Automatics 05-283B Super MK4 M-Lok Rail AR15 Rifle Aluminum Black 9.5″
16 in stock
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 | 854014005694 |
---|---|
Manufacturer | Geissele Automatics |
Manufacturer Part Number | 05283B |
Product Type | Railed Forend |
Model | Super Modular |
Length | 9.3 |
Style | M-LOK |
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