Custom building an AR-15 upper receiver is not only rewarding, but it gives you the ability to choose exactly what components will be in your custom AR-15. You will have full control over the way it looks and how much it will cost. I prefer to spend the majority of my AR-15 build budget on the upper receiver mainly because it is from where most of the weight, ergonomics, and … [Read more...]
Pistol caliber carbines have seen a bit of a resurgence over the last year with the introduction of the CZ Scorpion EVO, the Sig MPX, and new HK MP5 clones. As you might expect, there are companies looking for a way to tap into the pistol caliber carbine segment through some interesting avenues. American Manufacturing Group sent us their Lock, Stock, and Barrel conversion kit … [Read more...]
Beautiful, rigid, strong, customizable, easy to install and a well thought out design are just some of the adjectives that come to mind when I think of the Geissele SMR (Super Modular Rail) Mk3 that I installed on my newest AR-15 build. Several months ago, when I was deciding what my newest man-Barbie would be wearing, I was browsing various forums for ideas and came across … [Read more...]
So far in our discussion of external ballistics, we've covered bullet trajectory, elevation, the Coriolis effect, light effects, rifle cant, and bullet shape, but we still have one more important ballistics theme to explore: static stability. The concept of static stability is essential to precision rifle shooting; if bullets are not properly stabilized, you'll never get … [Read more...]
