Samson M-lok 4" Rail Kit

The Samson M-LOK 4" Rail Kit is a modular rail section designed to expand accessory mounting capability on any weapon platform featuring a standard M-LOK (Magpul Optimized Locking) interface. This single 4-inch rail section provides operators and shooters with additional real estate for mounting tactical devices, optics, lights, and other mission-critical gear without committing to a full-length rail system.

M-LOK mounting has become the standard interface across modern tactical rifles, carbines, and modern sporting rifles due to its clean profile and weight efficiency compared to full Picatinny rail systems. The 4-inch length strikes a practical balance—long enough to accommodate most single-slot accessories (vertical foregrips, pressure pads, cable management) while maintaining a compact footprint that doesn't interfere with ergonomics or barrel clearing. At 0.13 lbs, the rail adds negligible weight to your platform. The modular design allows operators to configure mounting positions exactly where needed, avoiding the overbuilt footprint of complete rail handguards when only selective mounting points are required.

This rail kit serves patrol officers, competitive shooters, hunters, and sport shooters who run M-LOK-equipped platforms and need flexible accessory mounting without adding unnecessary length or weight. It's particularly valuable for shooters running lighter handguards or receivers with limited attachment points, or those building modular AR platforms where selective rail sections outperform full-length systems. The kit includes one complete 4-inch rail section ready for immediate installation on compatible M-LOK slots.

M-LOK remains the dominant mounting standard in professional and consumer tactical markets, offering superior ergonomics and modularity compared to legacy systems. The Samson 4" section integrates seamlessly into any M-LOK-equipped firearm, making it a dependable choice for expanding your platform's versatility.