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6/2/2009 3:08:44 PM EDT
I shoot single stack ipsc and am trying to find a light load for my kimber warrior 1911

I have titegroup, bullseye, and Hs6 and have been tinkering with different loads.  

My main question.  

How big of a problem will I encounter from making ammo lower than the recommended specs from my many different manuals?

I am shooting 230 lrn
Mixed brass
CCI 300 primers
5.5g hs6 seems to work really well (literature recomends 7.0 min at 1.190)
1.210 COAL

This load works very well
6/2/2009 3:37:53 PM EDT
[#1]
Keep your power factor in mind.

Shooting lite loads can get you DQed during a chrono stage.
6/2/2009 3:42:25 PM EDT
[#2]
I have heard that going lite would lead to powder burn problems.

Is there any truth to this?
6/2/2009 4:00:42 PM EDT
[#3]
Don't know about IPSC, but the worst problem you will encounter is the round not cycling the slide.
6/3/2009 7:27:42 AM EDT
[#4]
There is an "ipsc" specific loading forum dedicated to loading the .45 ACP for "ipsc" (actually its USPSA in the USA).
Click on this link:

http://www.brianenos.com/forums/index.php?s=8756b48ac0aaae432a5b7d0f09ece88c&showforum=74

No, you won't have any issues.  Yes, for .45 in USPSA you want the most FAST BURNING powder such as Bullseye (a popular choice for 45) or better still, Solo 1000, regular Clays, or even W 231 aka HP-38.

"Light loads" in 45 will NOT get you a DQ at the chronograph stage of a USPSA shoot.  You are simply scored minor rather than major.
6/3/2009 7:37:00 AM EDT
[#5]
As long as your minimum velocity for 230gr doesn't drop below a 165 PF (717fps) you'll be fine.

I set my ave. for 230gr at 775fps for IDPA and USPSA and never have any ejection problems with the factory recoil springs which are 16-17lb depending on who you talk to.
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