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BlackHawk95
Reply with quote  #1 
Just got a new box of the 115gr DTAC's in tonite and saw where it was posted that the newest ones were pointed from the factory. And they are, they look to be more aerodymanic. Sierra is also pointing the new 155gr palma bullets.

I snapped a couple pics so everyone could see a compairison of the new ones verses the old ones.

the new ones are on the left.

Also, this batch is Boron Nitride coated. first time Ive had any BN coated bullets. It feels alot more slippery then moly.

Jerid

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teele1
Reply with quote  #2 
Jerid
What is the lot number on your new DTACs? I just got 1000 and mine don't look that good.
Shoot Strait,
tele1
BlackHawk95
Reply with quote  #3 

5364 is whats wrote on the side of my box.

Jerid
BlackHawk95
Reply with quote  #4 
I got a chance to shoot a few of the HBN coated DTAC's over the chrono today. My normal load of 45.5gr of RE-22 behind the bare 115's shot 3120fps and the same load but HBN coated DTAC's lost around 75fps, at 3045. It still shot good, so im thinking of leaving the load alone and see how it shoots before upping the charge to get back to 3120 where its shot really well at 400 yards.

Jerid
Sendero_man
Reply with quote  #5 
you can safely up the load a little to gain your velocity back. The BN and Moly coatings help reduce the pressure, that is why you are seeing lower vel. with same load.
BlackHawk95
Reply with quote  #6 
Whats up Scott.

Only thing about that is, with a .243Ai will that extra grain of powder noticeably affect barrel wear? This barrel shoot really well and id like it to last as long as possible.

Jerid
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