09 April 2005, 00:25
Russell E. TaylorLength of .375-Caliber Bullets -- Query
Could someone please give me the lengths of these three bullets?
Nosler 260-grain BT
Barnes 270-grain TSX
Barnes 300-grain TSX
Thanks, folks.
Russ
09 April 2005, 07:33
waxmanMy Nosler 260 BT's have a length 1.381.
Russell,
My old non-bonded .375/260gr BT Nosler was 1.384" when I measured it. The .375/260gr Nosler Partition is 1.146". That long plastic tip do add some length to the Ballistic Tip.
I don't have any of the TSX yet in .375 (though I do have some .416 and .458 TSX's stocked and ready to load), but here are the old X-Bullet measures, just realize that the extra cannelures on the TSX's will make them longer than these (maybe 0.020" longer?):
Barnes XFB Cannelured:
.375/270gr: 1.345"
.375/300gr: 1.472"
For example consideration:
.458/500gr XFB Cannelured: 1.630"
.458/500gr TSX (5 cannelures): 1.650"
.416/400gr XFB Cannelured: 1.572"
.416/400gr TSX (5 cannelures): 1.592"
So my "guess" on the TSX's:
.375/270gr TSX: 1.365"
.375/300gr TSX: 1.492"
Until sumbuddy who know posts, that is a ball park ...
09 April 2005, 09:12
tsturmBarnes 270-grain TSX = 1.370
Thanx to sumbuddy:
.375/260gr BT: 1.38"
.375/270gr TSX: 1.37"
.375/300gr TSX: 1.49"
Should be exactly right to nearest 1/100th", allowing for a few thou difference in the tips from battering around in the boxes.
Russ and Rip
The Truth be told, about 25% of those 300's measured 1.494

I thought that was kind of strange so I measured about half the box.
They were either 1.490.... or 1.494 for every fourth one +/-. None were 1.489, 1.491, 1.492, 1.493, or 1.495. The packaging is excellent with a good plastic box and tight foam inside the box.
Whaddayall think about that?
Elmo
Elmo,
That is a good puzzle.

Maybe they came from four different machines, and one of the machines was off by .004", didn't slam the form as hard on the final nose operation, whatever that might be? I dunno. Maybe four days different production and the fourth day was a Friday afternoon?

Well if the bullet weights are in tolerance then the little bit of nose shape difference won't matter.
Well if I wasn't such a stupid lazy bastard, I would have weighed 'em in the first place

Stand by
Elmo
elmo,
That ain't bad. It is only 0.1% by weight, and the World Renowned GSC bullets claim to be +/- 0.25%.
Now you can sort your bullets by weight or length if you want to obsess about it, but I wouldn't. Go shoot'em into tiny groups without sorting.

10 April 2005, 22:54
DB BillIt isn't the length differences that will cause problems but rather if the ogives are different as this is what determines how close the bullet is to the lands.
13 April 2005, 23:58
Russell E. TaylorHey, folks, thanks for all the answers!
I like how the BTs shoot in mine, but... dang, they sure eat up a lot of powder space if you seat to the cannelure -- which I usually do for hunting rounds, followed by a crimp.
Russ