Rolf has a post about precision shooting at Men of the West.

Nearly a year and half ago I started having problems with my STI DVC. Sometimes the trigger pull would be MUCH greater than others. At times it would be so great that I could barely get it to fire. And it only happened at matches! On the next stage it might be just fine. It would never do that while in practice or when I was drying firing it at the bench at home.

Then, finally, three weeks ago, Ry and I were in the training bay at West Coast Armory and it did it again. I dropped the magazine, ejected the round in the chamber and tried dry firing it several times. It was just fine.

Okay. What gives?

I put the magazine back in and chambered a round. Impossible trigger pull. I dropped the magazine, ejected the round, and dry fired again. Just fine.

Magazine in and dry fire? Nope. It was a heavier trigger pull than I could manage.

I pulled on the trigger as I slowly removed the magazine. CLICK!

It’s the magazine! How in the world does the magazine affect the trigger pull? I tried it with other magazines. Three out of my eight magazines had the problem. Visual inspection did not reveal anything different about them.

This explains why it only happened in matches. I almost always use different ammo in practice than at matches (the indoor ranges where I practice require copper jacketed bullets and I shoot polymer coated bullets at matches) and the magazines with some left over match ammo are not used in practice. It finally happened that I removed the match ammo from the proper magazine and used that magazine in practice.

A day or two later I had the time to diagnose the problem with the magazines. I did some measurements and found the “bad” magazines were about 0.005” longer than the “good” magazines at the spot where the trigger bow goes around the magazine:

If the magazine was 1.366” or less everything was fine. The “bad” magazines were in the range of 1.367” to 1.371”. The 1.367” magazine had a noticeably harder trigger pull but not so much that it was much more than “odd”. And even with the 1.371” magazine if the trigger were pulled off to one side or the other rather than straight back then it would fire much easier.

I suspect the problem is really with the trigger bow rather than the magazines. If the magazine easily fits in the magazine well the gun should work. But putting the magazines in the vise with a couple blocks of wood and squeezing them 0.005” seemed less risky to me than messing with the trigger bow. My gun now works just fine with all the magazines.

I really should get the STI Trigger Stirrup Die from Brownells for the proper fix.

Man, that was a perplexing problem for such a long time.

Optics Planet has more than just optics. They have holsters, flashlights, knives, bags, cases, and other stuff. 10% off on order of $50+. Coupon code SALUTE:

MGM makes innovative steel targets and sells some cardboard targets (this is where I buy all my USPSA targets) as well. 15% off with Code MDS2017 (the 15% discount does not apply to cardboard targets):

At Boomershoot this year someone gave me several boxes of assorted .40 S&W ammo (562 rounds) and told me to appraise them and give them credit for Boomershoot 2018. In the collection was this:

$9.00 for five rounds? What does a box of 20 sell for these days without all the fancy packaging? Oh. $62. No thank you.

As an engineer I’m frequently annoyed that crappy products in the hands of the “right” marketing and sales people can be a success. And furthermore that marketing and sales people can get away with outlandish claims. At the face of it this appears to be one of those instances.

A quick Internet search indicates my hunch that the claims exceed the function is correct:

.40 “EXTREME SHOCK” Ammo Gel Test and The Box O’ Truth #23 – ExtremeShock Ammo and the Box O’ Truth.

But my favorite find of the search is a description of how the bullets are made:

They’re, in fact, made up of a special compound derived from Chuck Norris’ beard hair. The hairs are ground into a special powder and mixed into a paste with Jack Bauer’s tears. The paste is then forced into molds of bullets created from the bones of John Wayne. The molds are super heated, then rapidly cooled by the cold stare of Clint Eastwood.
It was on “How it’s Made”…

Well, I suppose the brass is good and I can reload it.

Speed steel shooting has sometimes been called “drag racing with a handgun”. While this is almost always true the stage designer can give you a wide range of challenges. The Holmes Harbor Rod & Gun Club Fun Steel match on March 25th, 2017 was the widest range of difficulty I had ever seen in a single match. One stage only took me 1.52 seconds to shoot. Another took 4.97 seconds. Here’s the video:

Match wise, I won the rimfire iron sight division with an average shot time of 0.6658 seconds per shot. I came in dead last in the centerfire iron sight division (I had problems with my gun again—details in another post).

Here are the final scores:

Brian L.          PCC-O       45.31
Jon S.            RF-O          54.86
Brian L.          RF-RV-O    58.51
Dan L.            RF-O          63.00
Jim D.            RF-RI-O      63.81
Joe H.            RF-I            66.58
Jeremy P.      CF-I            79.85
Craig J.          RF-I            80.29
Jon S.             CF-O          82.44
Thomas A.     CF-O          85.49
MAC                RF-RV-I     93.16
Roy L.              CF-O         95.15
Craig J.           CF-I           101.38
Roy L.              CF-I           101.44
Thomas A.      CF-I           103.21
Scott B.           RF-RV-I      104.78
Roy L.              CF-I            107.51
Thomas A.     CF-S           109.63
Dan L.             CF-LR         117.82
Scott B.          CF-RV-I       118.46
Bret C.            CF-I             127.46
Joe H.            CF-I             132.58
Brendan         RF-I             142.51
Alaska B.       CF-LR          274.21
MAC               CF-RV-I          DNF

Update: Stage pictures.

The two small plates in the center were not visible to someone of ordinary height. This picture was taken from a viewpoint of approximately 7.5 feet above the ground.

It’s been a several months since I shot in a USPSA match. I practiced a bunch in the previous two weeks but I completely forgot to practice one handed shooting. I remembered this as I was driving to Idaho to work on the weather station but then it was too late to do much about it. I had an extremely busy weekend and I was suffering from a lack of sleep and decided sleep had a higher priority than even a few minutes of dry firing.

Two of the stages had some one-handed shooting and I did okay on them (in fact, I won one of the stages). Overall I felt I did okay but not great (especially the classifier). When I looked at the overall results (Limited Division) I was surprised:

Lewiston Pistol Club USPSA-May 2017 – 2017-05-14

Wow!

What happened?

It turns out that, as in most of the other matches I have done well in, I get the best results when I don’t try to do my absolute best. Not making really bad mistakes yields better results than having a mixture of awesome and catastrophic stages. This was a mixture of mediocre and good. My fellow competitors had a mix of catastrophic and good:

I forgot to turn on my camera for the first stage we shot (May Flower Mayhem) but here are the other stages:

This looks like a fun challenge:

I’m going to see if I can find a place on my property where I can shoot at a water filled milk jug from 1000 yards away. The challenge website is here.

I have my doubts about being able to shoot as well as the 6-year old boy. I’ll be happy if I can shoot like a 15-year old girl: