Shop now and get Free Value Shipping on most orders over $49 to the
contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.
Enjoy our FREE RETURNS
We want to ensure that making a return is as easy and hassle-free as possible! If for any
reason you are not satisfied with your purchase, simply return the item within 30 days of
receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-c161de71476/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
SIG SAUER Factory Replacement M-LOK Sight Rail for M400 TREAD KIT-TRD-SIGHT-RAIL Color: Black, Gun Rail: M-LOK,
The SIG SAUER Factory Replacement M-LOK Sight Rail can be used to fit an Atlas Bipod as long as it uses a 1913/picatinny mounting interface. You can use any M-LOK to picatinny rail adapter as long as you have an M-LOK rail, and your bipod uses a 1913 interface.
This rail is well made and looks great on the m400 tread with its super low profile.
I think this rail may be one of the thinnest sections of mlok pic rail on the market.
I have asked in the questions section for optics planet to find out the exact...
Read More...
So I recently bought my first AR only to see that it didn't come with iron sights or a front rail for a sight post. The Sig M400 Tread has been a great rifle, especially at the price point. So I figure "what the heck" and slap on some really nice DD ...
Read More...
Obviously this sight rail is made by sig for the tread so it’s perfect for the tread. I have basic mbus sights as backups and this piece of rail is perfect for the front sight. The rail section is small and that’s obviously what’s intended it’s just ...
Read More...
Great quality very well made. Worked very well on my sig m400 would recommend to anyone needing one for their sig iron sights. Optics planet shipped it out very quickly. Highly recommend making purchases from Optics planet if you need anything.
Perfect fit and easy to install. Just a little hard to find the product available sometimes. But would definitely recommend to anyone who has a Sig Sauer M 400 thread AR15 If you want your flip up sites to Co-Witness with a red dot Sight.
Fits the tread and it’s the only one guaranteed to fit the sig tread. It goes on simple and is very secure. Price and shipping were not bad. However, I would suggest getting the sig tread sights as they come with this rail. That is all you need