Whether you’re a practicing gunsmith, an avid AR15 rifle, or a semi-automatic pistol enthusiast, most firearm owners agree that one inevitable thing will happen. During the firearm’s long lifespan, you are likely to swap out the optical system on the upper receiver of your AR15 or the operational action-slide of your pistol.
Read more…A Guide to All the Mounting Footprints for Holosun Red Dot Sights