147-gr 9x19mm Experiment

To learn and introduce new loaders. Tips and tricks from old timers.

Moderators: Chuck, Mustang380gal, Coordinators, Moderators

147-gr 9x19mm Experiment

Postby Morne » Mon Jun 14, 2021 2:04 pm

Strangely, I had never before loaded 147-gr bullets in 9x19mm. Decided to change that.

Got some 147-gr X-Treme CPRN bullets to load. Chose W-231 powder at 3.4/3.7/4.0-gr rungs on the ladder. Used both CCI-400 SRP and WSP(m) for primers. Took data about 10' from muzzle and used 10 shot strings each. All rounds fired from a S&W M&P EZ 9. Overall length right around 1.145".

Meteorological data = 74 F, 63% RH, 29.80" Hg

9x19mm Luger 147-gr X-Treme CPRN@1.145" COAL
S&W M&P EZ 9 with 3.7" barrel

W-231 Pistol Powder & CCI-400SRP:
3.4-gr - AVERAGE = 803 fps - ES = 31.8 - SD = 9.7
3.7-gr - AVERAGE = 860 fps - ES = 26.1 - SD = 7.6
4.0-gr - AVERAGE = 874 fps - ES = 23.6 - SD = 7.1

W-231 Pistol Powder & WSP(m):
3.4-gr - AVERAGE = 795 fps - ES = 58.8 - SD = 19.3
3.7-gr - AVERAGE = 822 fps - ES = 47.8 - SD = 12.9
4.0-gr - AVERAGE = 889 fps - ES = 34.1 - SD = 10.5

Thoughts - I find it interesting that in this head-to-head comparison the SD was always tighter with the CCI-400SRP than with the WSP(m). Not that the WSP(m) SD was bad, mind you, just not quite as good as the other.

At the end of the day I am looking for a load that will still be subsonic out of a 16" carbine barrel. I suppose my next stop on this train will be to load more of those 4.0-gr selections and chrono them through my carbine. I just wanted to first make sure that they all ran fine in a compact gun and they all did.
Thus spoke Zarathustra.

Footsoldier in the Conservative Insurrection of the GOP.

Remember, only you can prevent big government!
User avatar
Morne
OFCC Coordinator
OFCC Coordinator
 
Posts: 10595
Joined: Thu Jul 07, 2005 9:01 pm
Location: Wayne County

Return to Handloading

Who is online

Users browsing this forum: No registered users and 3 guests