View Full Version : Matching ballistic (not terminal) performance of practice and "duty" loads.
How many of you try to match the ballistic performance of your practice load to your duty load? It bothers me a little to practice with, say, M193, but carry Black Hills 75 grain OTM in my magazines. My sights are zeroed for the M193, so I lack some confidence in POI of the 75 grain. Hence, I'm looking at the Speer Gold Dot 55grain 5.56 load as a "duty" (home defence/deer/etc) load. How similarly will the Gold Dot match the M193 in terms of dope?
Thanks!
It always depends on the specific barrel. I see +2 and +4 MOA difference (vertical) with IMI M193 and a couple of other .223 pressure loads in two barrels. Something less with an 18" SPR barrel.
Failure2Stop
10-11-11, 17:48
I zero and figure out my holds/come-ups with my precision/duty load and for 100 meters and less there has been no appreciable difference between it and pretty much everything else (about 2 MOA off).
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