Spreader Loads Question
 

I’ve been trying to find a reference on whether the small plastic spreader wad inserts sold by BPI have any meaningful influence in raising the pressure of the loaded round. My apologies if this has been beat to death already. Thanks.

I know that the Polywad spreaders increase pressure. I'll be interested to see the response to your question.

My only conversation was with someone at BPI and he said they will not increase pressure as long as you reduce your load of lead by about 1/8 ounce and not cram everything in.

Weight being the primary consideration the polywad weighs next to nothing, the BPI x spreader is very light and i do not believe they will make any meaningful difference in pressure in a load meant to be used at close range. If concerned check their weight and remove a few shot pellets to negate it.

Garry, where did you find out that Polywad spreaders increase pressure? How much?

It was in the paperwork that came with the spreader-Rs as I recall.

I have patterned loads trying both the Poly Wad Spreader-Rs and Ballistic Products spreader inserts with the same recipe and I have found the Poly Wads to be much more effective at opening up the pattern over BP insert. Just my observation.

I have never used Polywads for reloading. I didn't see a big difference using a brush wad with and without the Spreader X insert to be honest. I probably should have done more testing but I'd honestly rather pull my own teeth out with a grappling hook than keep shooting at pattern boards.

I use Fiocchi Interceptor spreaders "heavily", or maybe regularly would be more accurate. My Perazzi MX8 is choked .020" and .020", fixed. I will use spreaders on a real close rabbit or crosser ............ anything that is close and might be irregular in it's flight line, on sporting clays. I have been using the Interceptors for several years and have gone through several flats of them.

I mention them only because they utilize the X shaped insert that divides the shot column into quadrants. My testing is that they open my pattern considerably at close ranges. I don't use them past about 20 yards, rather then depending on myself to center the modified pattern with a normal load. My shooting buddies have commented often how much they open my pattern, seeing the shot swarm hit the ground when used at a rabbit target.

I've loaded many different types of spreader loads for my own use, including the little disc and post inserts that you put in after the shot charge has been dropped. I did not like the patterns they yielded at all. They were very sparse in the center. The only way I was able to get them to work well was to remove some of the shot charge from the shell, put the insert into place, and add some shot back on top of it, or either punch three holes in the disc with a paper hole puncher. Either way, that's just too much sugar for a dime for me. I like reloading, but that is just too slow and tedious for me.

I actually use the Fiocchis in some of my stronger vintage doubles, from time to time, such as my Super Fox. I am cognizant of the pressures they likely generate, and am cautious about what I use them in. They're deadly effective, though.

So does anyone have data on how much pressure actually goes up?

Me too, Made full choke open to imp cly from my test with the spread-r wads with 7/8 ths oz loads the load perfect in rem.sts type hull in 12 ga

Agree with Andy. I've read/heard that there is no significant pressure change with the SpredR-X, just drop the payload by 1/8 oz. If one was curious, they could weigh a SpredRX, and see how close it comes to 1/8 oz--personally, I am not that curious.

I had to know, 6 grains for the 10-12 ga. I use MEC loaders and they are calibrated for soft shot which is heavier than high antimony chilled shot therefore they all throw light. I do not believe the addition of this makes any difference at all as far as weight or pressure.YMMV.