April 4th, 2020

Loading for the .45 ACP — VV N320 and Other Good Powders

VV N320 for .45 ACP

There’s an interesting thread in our Shooters Forum right now — all about good choices for a .45 ACP handgun. If you’re considering getting your first .45 ACP pistol, you should read that thread. If you already own one or more .45 ACP handguns, this article offers some good tips on handloading options.

Forum Thread: Which .45 ACP Handgun to Purchase — Members Offer Suggestions

VV N320 for .45 ACPGood Powder Choices for the .45 ACP
We know that many of our readers own .45 ACP handguns and load for this extremely accurate “classic” cartridge. When selecting a powder for the .45 ACP, there are many good options. All the major powder manufacturers make propellants with appropriate density and burn rate characteristics for the .45 ACP. Popular choices include: AA #5 (Accurate Powder); Bullseye (Alliant); Clays, HP-38, and Titegroup (Hodgdon); VV N310 and N320 (Vihtavuori); and WW 231 and WST (Winchester). We’ve tried all those powders in a variety of .45 ACP handguns. When we consider all the factors that make for a good pistol powder, we think N320 is one of the best available propellants for the .45 ACP.

Vihtavuori N320 is very accurate, it meters well, and it burns clean, with minimal smoke and flash. If you haven’t tried VV N320 yet, you should.

Pros and Cons of Different Powders for the .45 ACP
This Editor has personally tried out eight or more different powders for the .45 ACP. Bullseye works but it is very dirty (both smoke out the barrel and sooty powder fouling on case). Though it otherwise burns clean, Titegroup leaves a singular (and nasty) high-temp flame streak on your brass that is hard to remove. AA #5 is a good choice for progressive press newbies as you use more powder so a double charge will (usually) be obvious. I like AA #5 but N320 was more accurate. Clays burns clean but some powder measures struggle with flake powders like this. WW 231 offered excellent accuracy and metered well, but it kicked out sparks with little pieces of debris that would hit me in the face. Who wants that?

I personally tried all the powders listed above with lead, plated, and jacketed bullets. After testing for accuracy, consistency, and ease of metering, I selected VV N320 as the best overall performer.

Vihtavuori N320

  • No powder tested was more accurate (WW 231 was equally accurate).
  • Meters very well in all kinds of powder measures.
  • Produces very little smoke from muzzle.
  • Does not put nasty burn streak on brass like Tite-Group does.
  • Low Flash — you don’t get particles and sparks flying out like WW 231.
  • Cases come out from gun very clean — so you can tumble less often.

Forum member and gunsmith Michael Ezell agrees that N320 is a good choice for the .45 ACP. Mike has also found that WW 231, while accurate, produces sparks and a large flash. Mike writes: “I first started using N320 after my first night shoot, while shooting IDPA/IPSC matches. It was astonishing how much of a fireball the WW 231 created. I was literally blinded by the flash while trying to shoot a match. As you can imagine, that didn’t work out very well. I went from WW 231 to N320 and never looked back…and the flash from it was a fraction of what a kid’s sparkler would give off. I have nothing but good things to say about [N320] after using both. Night shoots are a real eye-opener! When it comes to a personal protection… there is, statistically, a very high chance that if you ever have to use a gun to protect yourself or your family, it’ll be in the darkness[.] Being blinded by muzzle flash (and deafened by the noise) are things that should be considered, IMO.”

This Editor owns a full-size, all-stainless S&W 1911. After trying numerous powders, I found VV N320 delivered the best combination of accuracy, easy metering, consistency, clean burning qualities, and low muzzle flash. My gun has proven exceptionally accurate using N320 with bullets from 180 grains to 230 grains — it will shoot as accurately as some expensive customs I’ve tried. At right is 5-round group I shot offhand at 10 yards with my 5″ S&W 1911.

NOTE: The bullet hole edges are sharp because I was using semi-wad-cutters, and the target paper is thick. Rounds were loaded with Vihtavuori N320 and 200-grain SWCs from Precision Bullets in Texas. We shoot Precision’s coated bullets in many of our pistols. These projectiles are accurate and they seem to reduce fouling in our pistol barrels. You can learn about them in this video:

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January 4th, 2010

AccurateShooter.com Gun News Updates on Twitter

Twitter.com is a popular service allowing people to share quick, short messages that can be read on the web or with a text-capable phone. On our new Twitter account, we’re using this new technology to share late-breaking updates. For example, minutes ago, your Editor was on the phone with Les Baer. He confirmed that Les Baer Custom will be producing Stiller-actioned tactical rifles early this year (2010). The rifles, chambered in .308 Win, 260 Rem, or .243 Win, are fitted with cut-rifled barrels made in Baer’s own shop. Initial testing has shown great accuracy.

Using Twitter, we can share this kind of news quickly in short, easy-to-read messages. If you want to read our latest “tweets”, visit: www.Twitter.com/accurateshooter. If you have a Twitter account you can also sign up to receive our posts with your phone.

AccurateShooter Twitter

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