9mm 124gr berrys universal clays

[deadownwind]

Hey Nutterz,

Yesterday I was working up some 9mm loads in both my G17 and P226. My Sierra Manual states a max load of 5.3 gr Universal Clays and a coal 1.090"

Well I worked my way up from 4.8 gr - 5.2gr. I had a funny feeling that these could be on the "hot" side of the spectrum as they were almost filling the case.

I inspected the brass after each increment for signs of over pressure.

@ 5.1 gr I started to get flattened Primers in the P226. So I stopped there.

@ 5.2 gr The spent casings from the glock seemed to be fine with no flattened primers or signs of over pressure.

Does this make sense? shouldn't the Primers have been flattened in the Glock as well?

Plus I can't find any other manual that has a max load of 5.3gr

My best groups were 2.067" @10yards (4.9gr for the sig) which I can live with , and 3.033" @10yards (5.1gr for the glock) unacceptable in my books. Mind you this was my very first time shooting a glock and I will improve.

Could you please share your experience with what load your Glock 17 likes?

Any insight is welcome as this is my first time reloading this caliber

Thanks guys,

 

[Canuck223]

For the love of god, please buy yourself a cheap chrony. It's so much better to work with real data than just hints.

Universal is on the slow side, so a case filling load isn't out of the question. It also tends to work better,cleaner, and with less variation the closer it gets to it's maximum pressure.

Did your manual list the Berrys bullet, or was the data for a jacketed bullet of the same weight and profile.

Plated bullets are somewhat in between lead and jacketed. The safe move is to work up your load using lead data and verify the results with a chrony.

 

[TONOFFUN80]

berry's wedsite says not to exceed 1200fps in most bullits.
some are rated higher noted on webpage.
http://ww w.berrysmfg.com/faq-q10-c1-How_fast_can_I_shoot_these_bullets.aspx

 

[deadownwind]

For the love of god, please buy yourself a cheap chrony. It's so much better to work with real data than just hints.

Universal is on the slow side, so a case filling load isn't out of the question. It also tends to work better,cleaner, and with less variation the closer it gets to it's maximum pressure.

Did your manual list the Berrys bullet, or was the data for a jacketed bullet of the same weight and profile.

Plated bullets are somewhat in between lead and jacketed. The safe move is to work up your load using lead data and verify the results with a chrony.

Thanks for the advise. The data was in fact for a jacketed round. I did notice how clean it burnt. Any advise as to which brand of Chrony to get? I'll be going to a gun show this weekend hopefully get a chance to pick one up there.

 

[Canuck223]

They have changed names and descriptions several times.

I have a plain chrony with the cabled remote display. It works great.