Reloading 40 S&W with WST for Glock 35

[Kevin1]

I just started reloading for my Glock 35 and haven’t found much info on the WST powder.

I’m using:
Lee Deluxe Carbide 4-Die Set 40 S&W
Once fired brass (from my Glock)
WST powder
Winchester small pistol primer
Rainier LeadSafe Bullets 40 S&W 180 Grain Plated Round Nose Flat Point.

I’m aware of the bulge issue with Glocks in 40 cal. So I stayed on the mild side and reloaded with 4.4 gr of WST at 1.125 OAL. It was pretty mild (I'm guessing I was getting around 850 fps) but I wasn't satisfied with the accuracy. From a rest I was getting 6 inch grouping at 25 yards for 10 shots. Now my rest wasn’t that comfortable and the Glock factory sights didn’t help. But with cheap factory Winchester 180 fmj I was getting 5 inch grouping with the same setup. Those kicked much more and were much faster rounds.

For my next reloads, this is what I plan to do and I wanted to run it by the experts first.


I just ordered once fired brass from this site.
http://www.once-fired-brass.com/?refresh=true

It’s the first time I order from them but it's a pretty good deal. For $17.99 you get 390 brasses tumbled clean with free shipping. At that price, you don't even have to pick your brass at the range.

I plan to increase the powder from 4.4 to 4.7 and the OAL from 1.125 to 1.13 or even longer like 1.16. I just have to make sure it's not too long for the magazine. I think GLocks might like faster rounds for accuracy.

I’m eventually planning on doing some matches. So minor and major PF could potentially have their importance.

Let me know what you guys think

 

[427Cobra]

Re: Reloading 40 S&W with WST for Glock 35

SHIT CAN the factory crimp die, just the crimping portion of it, add the Lee Bulge Buster attachment to it, BUT DO NOT ever use the LFCD, your poor accuracy comes from the bullet being resized as it passes thru the carbide sizing ring, buy a separate crimping die, crimp to .419-.421, I bet your accuracy comes back.

 

[Kevin1]

Re: Reloading 40 S&W with WST for Glock 35

Before ordering the dies, I did my homework and Lee's FCD had pretty good reviews. I guess I'll start by playing with powder charge/OAL/ crimping strength first before ordering a new die.

Now the amount of powder is very important for rifle reloading (I'm thinking latter testing). I was wondering if a slight variation in powder charge for pistol could have a dramatic affect on accuracy as well (like it does for rifle)? Off course I don't plan on doing a latter testing (as the pressure signs won't necessary be as progressive as for a bolt action).