Sig Sauer Tread factory 4-slot Picatinny rail section fits the M-LOK mounting slot interface. It is meant to be used on the M400 Tread rifle as a front sight rail, but can be used for other purposes.
- Black finish
- MLOK rail
- For the M400 Tread
State & Local Restrictions — Order Reviewed Before It Ships
Some firearms, magazines, and accessories are restricted or prohibited in certain states, cities, and counties, and these laws change often. Each order is manually reviewed against the current laws for your shipping address before it ships. If we can't lawfully ship this item to your location, we'll contact you to cancel or adjust your order and issue a refund. You're responsible for knowing and following the laws where you live — if you're unsure, please check or ask us before ordering.