This is meant to fit a standard AR barrel that has a .750 diameter gas block channel.
It fit in perfectly with my carbine length magpul moe.
The manufacturer does not state the dimensions of the screws used in the Yankee Hill Machine Standard Front Flip Sight Tower. For that information I recommend contacting the manufacturer.
The Yankee Hill Machine Standard Top Mounted Deployable Iron Sight can be used with a mid length gas system barrel if the barrel has a gas block diameter of .750.
YHM does not provide the length of the Yankee Hill Machine Standard Top Mounted Deployable Iron Sight. I recommend contacting YHM for that information.
The Yankee Hill Machine Standard Front Flip Sight Tower fits onto 0.750" barrels with four cap screws using a 7/64" Allen wrench. So as long as your M-LOK rail does not cover the entirety of your barrel, you can mount this sight.
This is meant for flat top receivers, but realistically the difference in heights are negligible with adjustment of the front sight post.
The sight is at a standard AR height sight and will work with any standard AR rear sight.
This is meant to fit a standard AR barrel that has a .750 diameter gas block channel.
Yes, this has a bayonet lug on the bottom.