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I have a friend from high school (we are mid 30s now) that is a disabled marine (hearing damage). We have recently reconnected and started hanging out, and I have noticed that his XD 9mm never leaves his hip. It is concealed, but I, and presumably anyone that is looking, can tell. The...

Today I was teaching a chemistry class to a group of first and second year college students (age 18-20), and I wanted to make a point about how kinetic energy depended on both mass and velocity, and that if particles had a similar energy, the lighter ones would be moving faster and the heavier...

When my wife and I bought our new house we decided not to get a landline since we both have cellphones. Is this a safety issue? If I were to call 911 on my cell and be unable to speak, do the police have a database that would show my address? If not, how would the dispatcher even know what...

At about 45 yards with a rest my 16" AR pretty much puts 10 rounds of .223 through a single big hole exactly at my point of aim. If I take out the bolt carrier and put in my CMMG .22LR conversion kit, my groups explode to about 4-5 inches and are centered about 6 inches below the point of aim...

I just got the cmmg .22 LR conversion for my 16" M4 configuration AR. A guy at the range told me that I should always shoot some 5.56 when I am finished practicing with the .22 to clean out the gas system. If I don't, he said, a gunsmith will be needed eventually to clean them out for me...

If I had to list the 5 most important firearms innovations of the last 300 years, in no particular order, my list would include: smokeless powder rifling (I know this was invented earlier, but it wasn't adopted until 19th century) breech loading small arms self-contained cartridges...

I finally have a little time and money to refinish my basement, and my favorite part is the new workshop/gun room/future reloading bench. Now that I have all of the walls framed but not finished, I thought now might be the time to implement some safety features. I am concerned because the...

I don't have my mind made up one way or another on this issue, but it is something to think about. In Ohio it is not difficult for many people to get a handgun carry permit. 12 hours of classes, about $100 for the class, $30 in ammo for the range session, then 60-90$ for the permit itself...