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115 Dtacs

Retired shooter

Gold $$ Contributor
Hello All

Have read many articles, conversations, and posts from those who have tried the Tub 6mm dtacs. Sounds like a love hate relationship. You guys are one way or the other. From those that did not like them, were they some of the first batches out causing the problem. From what I read most were consistent, then a flyer . Did things change later on in the production run.

From those that liked them. Why what were you comparing them to.

I know now he has several 6 mm projectile. One with nose ring. One a 6mm with RBT , or some such thing, basically a different angle on the boat tail., without the nose ring.

From those shooting the 1000yds plus what is the majority consensus on the Dtacs. Dont consider the price as objectionable Readily available. I need to do more research, however what does the experienced majority here have to say.

Feel free to PM me if you are shy about making on opinion public.

Thanks to all.
 
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It’s been a while but their performance in the last 1,000 yard club match I used them for was very good. Point drops were wind call caused, scores I think were 195 range and maybe 8-X. Those were regular 115’s, no rebate or ring.

I believe my impression in the conditions was that I with a saum would have scored a point, maybe two higher, similar x count and a .284 would have likely scored the same, but that neither was easier to try to steer precisely to the X ring.

That was with a. .243. DTACS pull you into an appreciation mode for their efficiency and the pleasantness of shooting them. Valid as those considerations are, you probably give up nothing in PRS with them but likely do lose 1-2 points to a fast seven, if that is what your highest scores are shot with at 1,000 yards.

On a calm day, they may cost you zero points, shoot more X’s, and not leave you wondering whether any may have been damaged tipping them. I don’t tip them, as they come ripped. Also, I prefer the HBN option on them.
 
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I have only shot the non- nose ring, non- rebated base DTACS in both the 6XC and 243 SLR at distances from 600 to 1000 yds. It is probably one of the most accurate and consistent bullets I have used. Quality control is excellent.

My experience is that it is an easy bullet to find an accuracy node and the bullet is not overly sensitive to seating depth. My other 1000 yd. Go- to is the Berger 105 Hybred.
The price and availability of the DTAC is also a plus.

Just my personal experience, having both , a 6.5x284 and a 243 SLR I believe the SLR with DTACs doesn’t give anything away to the 6.5 Shooting 142s.
 
I started with the first run up to the last pointed before the RBT DTAC. They all treated me good in my Competition Match barrels out to 1000 plus yards. Last week at 850 they where smoking a 6"x6" plate.
Naked and Coated.
 
If memory serves the main dig against them is that you need a sizable case to make use of them - like 6XC or bigger, and that's hell on barrel life. Run the numbers and it's not really worth it over a more moderate case and a 103-109 grain bullet.

Personally, I'm skeptical of bullets that heavy - I believe they can be "finicky" - why you see the "love/hate" thing. I only ever shot a handful of DTACs (out of a 6XC) and they worked fine, but I stopped in favor of the Sierra 107s. I just didn't see the point. (These were the original DTACs, not the later iterations).
 
If memory serves the main dig against them is that you need a sizable case to make use of them - like 6XC or bigger, and that's hell on barrel life. Run the numbers and it's not really worth it over a more moderate case and a 103-109 grain bullet.

Personally, I'm skeptical of bullets that heavy - I believe they can be "finicky" - why you see the "love/hate" thing. I only ever shot a handful of DTACs (out of a 6XC) and they worked fine, but I stopped in favor of the Sierra 107s. I just didn't see the point. (These were the original DTACs, not the later iterations).
I don’t believe the dtac are hard on barrels, the 107 and dtacs use just about the same amount of powder. Heavier bullets don’t wear out barrels it’s the heat from powder that burns barrels. Here’s my ballistics on the dtacs and the Sierra 107. The 107 is the right one. Dtacs on the left. Less bullet drop and less wind drift is why I use them.
 

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I don’t believe the dtac are hard on barrels, the 107 and dtacs use just about the same amount of powder. Heavier bullets don’t wear out barrels it’s the heat from powder that burns barrels. Here’s my ballistics on the dtacs and the Sierra 107. The 107 is the right one. Dtacs on the left. Less bullet drop and less wind drift is why I use them.
The idea is that the heavier bullets are in the barrel longer, so that flame has longer to act on the bore. I don't know how much that really plays out, but it sounds credible to me. Anecdoatlly, heavier bullets seem to take a toll.

In any case, I was referring to the fact that a 6xc or a .243 shooting DTACs isn't going to last as long as a 6BR shooting 103-108s. And that's definitely a noticeable difference. You pay quite a bit for that little advantage.
 
I don’t believe the dtac are hard on barrels, the 107 and dtacs use just about the same amount of powder. Heavier bullets don’t wear out barrels it’s the heat from powder that burns barrels. Here’s my ballistics on the dtacs and the Sierra 107. The 107 is the right one. Dtacs on the left. Less bullet drop and less wind drift is why I use them.
Heres a better chart for those bullets.
107 on the left. Dtac on right
 

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The idea is that the heavier bullets are in the barrel longer, so that flame has longer to act on the bore. I don't know how much that really plays out, but it sounds credible to me. Anecdoatlly, heavier bullets seem to take a toll.

In any case, I was referring to the fact that a 6xc or a .243 shooting DTACs isn't going to last as long as a 6BR shooting 103-108s. And that's definitely a noticeable difference. You pay quite a bit for that little advantage.
50 fps difference in the barrel would be a nano second. But it might make a very slight difference.
As far as shooting the br with these bullets there is about 200 fps difference between them and a 6xc. For the big difference in wind drift I’ll take the 6xc at a 1000 yards.
 
I found I like the mid size 6mm cases like the BRX and Dasher and the DTAC is just too heavy for them. The 109 Berger is a great bullet for the mid size 6mm’s.
Waitin' on Ethan Lam to get his 6gt done for these. I scored 1400 of the
DTacs from a Dasher shooter and good friend. He gave up on them.
A longer throat and Reloder 15.5 showed some promise, but no cigar.
The conversation went into maybe a custom long neck Dasher, but felt
the GT should be tested. It's only money......
 
Looks like on Tubbs website it is a .160 free bore for the 115 dtacs. Have shot the Berger 115’s and they shot good but would like to try the Tubbs 115. Wish they sold them in 100 packs instead of 500 pack. Don’t want to buy that many and find out they don’t shoot.

160 is the shortest. Shoot, you could do 250 and that would be great too.

Considering my success with the Tubb 6xc chamber the 160 freebore, and how much my customers love it, I now have the 6bra in 160 fb, because we found that it is ideal for the 80 to 108 bullets.

If I was single feeding the DTAC I would go to even longer and get even further from the donut. Not to mention gain even more case capacity. Heck, you could go another 100 thou.

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50 fps difference in the barrel would be a nano second. But it might make a very slight difference.
As far as shooting the br with these bullets there is about 200 fps difference between them and a 6xc. For the big difference in wind drift I’ll take the 6xc at a 1000 yards.
Barrel life is just a few seconds. A little bit more time in the bore for each round can make a difference.
 

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