Anyone gone 20 inch or shorter, and have any speeds on 140gr bullets?
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Anyone gone 20 inch or shorter, and have any speeds on 140gr bullets?
Not 260 but 0.5mm bigger I have a 7mm08 out of a 19" tube doing 2770fps with 140g NBT.
Thanks I guess...
I have a 20" 6.5x47 and 20" 6.5x55 so I can make an educated guess that the .260 would fall somewhere in the middle of those two but...........
Using a 16 inch 7mmsaum
140 BT or AB @3000fps
And one at 20 inches for 3200fps with the same projectiles
guys. guys. it literally says ".260" right there in the title.
Short Barrel 6.5mm Rifle | Sin City Precision
The 260 would be a smidgen slower than creedmoor in the link.
I have one with an 18"barrel. Will look for the velocities later. Havent loaded up to max loads but I have some base velocities somewhere. Will have a look tomorrow and let you know.
And yes it is for a 260 Rem.
tagged for Interest as just picked up a finnlight in .260, 20".
shooting 125gr partions well, and looking at a secondary pill.
I have a standard tikka 260 with 22 7/8 inches or whatever it is . I woulent want a short 260 if you want to make the most out of your 260 leave it long. Better calibres to suit the short setups 308 or 300wsm or something :)
@gimp I'm just reading between the lines that you might be after
A sako in .260 SAKO 85 .260 | Trade Me
Gimp, you might be surprised how close the 6.5x47 is to the 260?
the nick Harvey's data is with a 20 inch tube well in the couple of books I have anyway I know that's not the best to believe speeds from manuals how ever they do give you some idea
There was a shiny thing hanging around Jaffa land last night!
Doubtful Bruce
Sorry Gimp, no 140 grain data. Here's some actual .260 Rem data though.
130 grain projectile, 50 grains AR2213sc: 2800 fps in 22" tube, 2500 fps in 16" tube (same rifle)
120 grain projectile, 47.5 grains H414: 3000 fps in 22" tube, 2800 fps in 16" tube
I expect the heavier bullet would be faster with quicker powder in the short barrel.
I was reading your old thread full of .260 data on FNH the other day, didn't have much luck with h4350/2209? Seems to be favoured by most for .260, with 140gr mainly though. Decent speeds with a 16", hmm
E yeah 2213sc is probably a bit slow for a 16
Another convert to the dark side:)
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No 140gr data, but i am currently playing with 130gr VLD's, doing 2,900fps with H414 from a 20" model 7 (260 Rem). The numbers look bloody good on the 130 VLD at 2,850+ fps
hit approx 2610 so far with 2209 and 140 amax, 19ish inch tube, no pressure yet
Nearly 7.62x39 ballistics :yaeh am not durnk:
1:8" and .5moa for 5 shots, finnlight, have only tested .5gr increments so far so if it doesn't tighten up further I'll be extremely surprised
http://i58.photobucket.com/albums/g2...ps2b5potrp.jpg
Range looks abit better than that strip
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for sure, only took about 6 months to find a way of actually nailing down joining
up to 2705avg today at 1.5gr over book max (2209). Loading long though, 2.92" OAL, .2mm off the lands, and no visible pressure signs - primers still rounded on the edge, consistent increments in speed, no ejector marks, easy bolt lift. Quickload once adjusted for fireformed case water capacity suggests approx 60,000 psi and predicts 2714 fps, the speed prediction is pretty close to right on.
accuracy average - seems to be throwing a first round flier on every group today, unless it's my shooting suffering from the horrendous flu I've picked up.
e: didn't have this problem with the Blaser *shakes fist*
Run an Ackley reamer thru it.
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fuck that