February 2000

Semi-Automatics: Ported or Non? We Test Seven Guns To Find Out

Bottom line: From 9mm to .40 S&W to .45 ACP, compensated pistols from Springfield and Glock fire hot defense loads faster and more accurately than their “unholey” brothers.

[IMGCAP(1)] As heavily loaded defensive ammunition has become more widespread, so has customer dissatisfaction with the resulting stout recoil—in essence, we want to have our cake and eat it too. One way to head off muzzle flip is to port the barrel. That is, to cut holes in the barrel and slide so that some of the expanding gases that propel the bullet will be redirected to keep the muzzle down. This technology became refined in the ranks of bowling-pin shooters, whose game was to knock bowling pins off of a table in the shortest time possible. Since this required the delivery of a massive blow from a hot load and the ability to recover quickly and get back on the next pin, shooters were st...

To continue reading this article you must be a paid subscriber.

Subscribe to Gun Tests

Get the next year of Gun Tests for just $24. Don’t wait another minute to get the knowledge you need to make the best possible firearms investment. Our offer is guaranteed. You can cancel at any time and we'll send a full refund for any unmailed copies. No strings, no hassle.

Or get 12 months of Gun Tests Digital. You get unlimited access to everything on the site including all current and past monthly issues in PDF format.

Subscriber Log In

Forgot your password? Click Here.

Already subscribe but haven't registered for all the benefits of the website? Click here.