Data help fast. Berger 6.5mm 140gr hybrid target #26414

[Targetbanger]

Just got the bullets today. Hope to take them shooting tomorrow. I was told by a friend that I can use the Hornady load data for them, but that turns out not to be the case. I need to buy the Berger book, but won't be able to get that for this weekend.

Can someone let me know the min/max load for H4350 and COL for these bullets?

 

[David101]

Assuming it is a 6.5 Cm start can be about 36grn and max at 41 grn

 

[Targetbanger]

It would really be nice to know what cartridge your shooting

gunwerks LRprimer

 

[MislMan]

Also need to consider what brand brass you are using. Volume varies.

 

[Targetbanger]

Also need to consider what brand brass you are using. Volume varies.

gunwerks and I have them all volume sorted. I got a batch of 26 with the exact volume.

 

[MikeMcCasland]

This is borderline dangerous, relies on a lot of assumptions; I'm frankly hesitant to share, but something tells me you'll just assemble something off random forum posts otherwise...so here it goes.

In a SAAMI .199fb 6.5CM Chamber, a 140 Hybrid is touching the lands on a zero round count barrel somewhere around 2.940 OAL. My gun shoots them best about .030" off, however that's more jump than works in most rifles.

I have never used gunwerks brass, however most Lapua/Alpha/Peterson stuff will tune in right around 41gr; Hornady brass usually requires a little more powder.

If I were you, I'd load up rounds starting at 38.5, and jump in .3gr increments to ~42gr. Stop when you start seeing pressure signs. Load them at 2.9"

Probably be real smart of you to make a dummy round to make sure your chamber isn't some shortened version.

Again, that's somewhat of an 'informed' wild ass guess based on the limited info you've given us.

Edit: Also, get a comparator. Then you've never got to worry about book OALs ever again.

 

[ngb1787]

I shoot a lot of 6.5, h4350 40.6gr. I jump 20 thousands off. If ya wanna be a little extra safe start at 40gr.. Have used a few different reamers and oal seemed to change, use the wheeler version for finding lands.

 

[Targetbanger]

Thanks for all the info. loaded 39-42 in .5 increments.

 

[MikeMcCasland]

Thanks for all the info. loaded 39-42 in .5 increments.

I guess it'll work as a rough test, but that's generally too big of an increment in a cartridge like a 6.5CM. You'll be skipping over nodes OCW testing like that. You really want to be doing it in .2-.3gr jumps.

My guess is 41.5 will look slightly over pressure, and 42 will be a sticky bolt.

Who knows?

Wear eye pro.

 

[David Christian]

I agree with @MikeMcCasland and @ngb1787. I’ve run H4350 with B140H in 2 different length 6.5CM barrels and my node ranged between 39.9 and 41.1 grains (Lapua SRP brass, CCI450 primers, ~.015 to .025 jump). I wouldn’t even try to chase the higher node (~42 gr or higher) as the mid-node shoots more consistent, is easier on your components, and is safer IMO. I would also suggest your testing increments be in .2 grain increments instead of .5 grain increments as you could blow right past your sweet spot and not even see it.

 

[pdog2225]

I used the #26414 bullet in a FC case with 42.0grs of H4350. Fired 5 rds and had hard bolt lift and the LRP pockets opened up. Then I found a load on this site of 40.5 of H4350 and used it in the FC brass with F210Ms. I really like this load. Oh, the FC brass weighs 20grains more than the Hornady brass. (My rifle is a savage mdl 12 FV, 8T, 26"brl)

 

[gman47564]

not a fan of threads like this personaly because every rifle is unique in itself... even though a lot of barrels can have similar nodes theirs always that one that is different and can cause problems...theirs no easy button to find what your gun likes...start low and work your way up...learn what your gun likes theirs a good chance it wont like what mine likes or what any one elses likes.. your Hornady manual will give you a starting point for a 140 gr bullet... that will be a safe place to start with your bergers..

 

[Bc'z]

I guess it'll work as a rough test, but that's generally too big of an increment in a cartridge like a 6.5CM. You'll be skipping over nodes OCW testing like that. You really want to be doing it in .2-.3gr jumps.

My guess is 41.5 will look slightly over pressure, and 42 will be a sticky bolt.

Who knows?

Wear eye pro.

I agree with @MikeMcCasland and @ngb1787. I’ve run H4350 with B140H in 2 different length 6.5CM barrels and my node ranged between 39.9 and 41.1 grains (Lapua SRP brass, CCI450 primers, ~.015 to .025 jump). I wouldn’t even try to chase the higher node (~42 gr or higher) as the mid-node shoots more consistent, is easier on your components, and is safer IMO. I would also suggest your testing increments be in .2 grain increments instead of .5 grain increments as you could blow right past your sweet spot and not even see it.

Winning lottery tickets right there!!!
.2-.3 increments gives you the ability to really look at the whole grain of increased powder weight.
But hey what do I know?
I'm running 4831sc in my 6five,
140 vld is .2gr lower charge than my
140gr elite hunter.
.5gr increments this would have been overlooked.

 

[tn6br]

Posts like this Make me cringe. Every rifle Is different, load data is more of a suggestion than anything. Don’t expect great results the way you’re going about this. I’ve seen rifles make pressure with minimum book loads and I’ve seen rifles soot a case shoulder with max book loads. Make sure you know what you’re looking at and be careful.

 

[AckleymanII]

I would encourage you to try some AA4350 with those 140's!

 

[jr600yd]

What he said ^^^^^^^^

 

[MikeMcCasland]

@Targetbanger

Well, how'd they shoot?

 

[LGKLAS]

following

 

[Park ranger]

Wow, I’m running much more than anyone listed here. 2.880” oal. 2890 fps in 30” barrel. Hornady and Norma brass. Br2.

 

[ChrisA]

Still haven't had conformation from the OP on what exactly the cartridge is. 40.2 grains of H4350 under the 140 Hybrid is max for me with Lapua brass in my 6.5x47.

Chris