Ammunition Analysis: Always test your ammo to know actual POI against intended POA
This is a discussion on Ammunition Analysis: Always test your ammo to know actual POI against intended POA within the Defensive Carry & Tactical Training forums, part of the Defensive Carry Discussions category; Great post Jang!
One of the training aids I use when teaching shooter is asking " Do you know where your gun hits "POI" in ...
February 25th, 2011 12:50 PM
Great post Jang!
One of the training aids I use when teaching shooter is asking " Do you know where your gun hits "POI" in relation to "POA"? We shoot at a 2 inch square at 7 yards. Then asks the shooter if he held at "6"0'clock, Center hold or at 12 O'clock to hit the square. It is an eye opener for those that have not done it before.
February 25th, 2011 02:22 PM
Yup Beans...That is _exactly_ what I did here.
2 3/4" square target at 21' / 7 yards measured, and this gun as setup by me is normally a center hold running a Dawson fiber optic front sight and OEM BoMar style adjustable target type rear, with aiming point being the pipe itself...Out to 35' / 15 yards.
I knew this from past experience and so when training more broadly toward a 6" circle and I was getting 9" results, I very much knew something was not right.
So to verify I went back to doing this whihc is a baseline analysis against what I know well the gun in it's current condition, the shooter (me) and the normal ammo (WWB) can do repeatedly. Only variant was the ammunition...And the day for the shooter.
I was able to eliminate the variable of it being the shooter having an off day. ; )
"Killers who are not deterred by laws against murder are not going to be deterred by laws against guns. " - Robert A. Levy
"A license to carry a concealed weapon does not make you a free-lance policeman." - Florida Div. of Licensing
February 25th, 2011 11:10 PM
I stopped using the UMC yellow mega pack stuff because it's so weak it only locked the slide back on my Glock and HK about 70% of the time. The other 30%, if I wasn't counting the shots, the last shot would be a dry fire due to failure to lock back. Happened in two different guns in one batch of ammo. The stuff is fine for high volume practice, but I switched the PMC Bronze. I had one PMC round so far that the striker hit the primer, but it never ignited. I've shot almost 1000 rounds of PMC .223 through my AR without a hi-cup yet. Most bulk ammo is crappy. But you get what you pay for.
As far as accuracy, the only time I've noticed a difference in accuracy is between 50gr OTM's and 55gr FMJ's in my AR. As far as handgun rounds, I can't tell a difference between brands. Maybe I'm just not that good of a shooter yet. Anything I shoot always groups the same.
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