AR-15 Weight Calculator

One common topic of discussion relating to AR-15s is weight. Frequently, someone will want to know what a certain accessory will weigh, or how much difference there is between a heavy barrel and a light barrel, and so on. I…

McDonald v. Chicago

The bottom line: In a 5-4 decision, the Supreme Court incorporated the Second Amendment – in other words, found that it applies to state and local governments as well as the federal government. The full decision can be read here. My…

Understanding Extractor Lift in the M16 FOW

For most people, the following test will be as interesting for the methods used as it is for the conclusions that were reached. Understanding Extractor Lift Alternate link to presentation This presentation was initially shown in May of 2003; the “other…

Info on 5.56mm Effectiveness from Sweden

Here’s a great PowerPoint presentation on how effective 5.56mm ammunition is from a military standpoint. I say it’s great because I agree with a lot of what it has to say, but it really does have some good info, whether…

Don't Bring Your Ammunitions to Mexico

Feel free, however, to stand a few feet away from the border with them. The enormity of the vital task entrusted to (perhaps foisted upon would be more descriptive) an inadequate number of Border Patrol agents is not truly apparent…

Vltor A5 is Most Reliable M16A4 Stock Replacement

As I reported back in January, the USMC is looking to replace the ungainly fixed stock on the M16A4 with a collapsible stock, and one of the options is the Vltor A5 stock assembly. They did some testing, but apparently…

ToolsAviation/PowerPax Battery Caddies

I’ve come across a number of items that never really appealed to me – such as this “Battery Caddy” - before I actually used them. When I received two examples as a gift (during the AR15.com Christmas Exchange), I thought, “What…

Bravo Company BCM4 Lower Receiver Assembly

I used to think that all lowers were alike, and that the only real difference in lower parts kits was that some came with fancy triggers. I now know this to be false. After having to perform final – perhaps…

Bravo Company MFG 16" Lightweight Midlength Upper Assembly

With the recent production of more Bravo Company lower receivers, complete BCM rifles and carbines will now be available. Among them is one of my favorite AR-15 configurations – the 16″ lightweight midlength. The one you see here represents what…

Overlooked Bravo Company MFG Features

Bravo Company has released a ton of information as to what makes their product worth the asking price. I’ve never questioned that – the barrel extension thing taught me plenty – but now there’s plenty of in-depth information as to…