WHAT DOES AR-15 MAGAZINE COUPLERS MEAN?

The HD Gen II glass is breathtaking; it’s Virtually as If your glass doesn’t even exist. Even at its optimum magnification, the sight photo stays crystal very clear and brilliant as ever.When you see Mil-dot you might Believe these sights are for army use, but the mil in mil-dot has nothing to carry out Along with the armed forces. The Mil mean