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THE BOOK EVERY AR15 OWNER NEEDS TO HAVE - GET IT FREE!
The Official US Army Manual for AR15/M4/M16
This Book Includes:
Detailed Part Diagrams - Maintenance Guidelines - Operating Instructions - Cleaning Procedures - Troubleshooting Guidance - Tips and Tricks
It's like the Missing Manual for AR Rifles!
There are many choices available for red dots, and everyone seems to have an opinion on the best red dot sight for AR15.
But we have 3 categories of recommendations: Best Value, Best Overall, and Other Excellent Red Dot Sights.
Co-witness refers to the alignment of your iron sights with your optics. If your irons and your optics are both sighted in, you would expect them to be aligned (co-witnessed) with each other when you line up your shot. Learn more about the different varieties of cowitness that you can use.