Go to Introducing 26 Nosler | Flat to 415 . It will give you a very biased view of the cartridge. haha.
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7mm RUM necked down to 6.5, if im not mistaken?
PTG has the reamer print now. It's a 404 Jeffery/RUM shortened to 2.59 with a 70 degree shoulder.
Nice size cartridge. I used QuickDesign to make variants from .243 to .458. Very cool ballistics on every caliber.
243 is a little ridiculous.
257 is just weird
264 is a 26 Nosler
277 would be very cool if that is your favorite. Faster then a Wby270
284 would scream with any bullet
308 while there are plenty, is faster than a WM but slower than a RUM nice size/speed
323/8mm IMHO really nice
338 seems to be right in there with a Lapua Magnum for Hdy 250 SP
358 now we are getting in to real whollop land
375 Faster than a Ruger slower than a RUM but pretty cool
416 Seems to beat most established offerings
458 Totally ridiculous and very practical
26 Nosler | 3/9/14 | ||
Headspace guage | D .400 | Go=2.239 Actual is 4.241 | |
4.248" after 1st firing | No=2.245 Actual is 4.252 | ||
4.245" after FL Sizing | |||
Per Drawing Trim | 2.590" | ||
Factory 129gr ABLR | 20 rounds supplied | Advertized 3400fps | |
20 rounds fired: | ALL 20 rounds were fired using the Magnetospeed | ||
Max FPS | 3351fps | ||
Avg FPS | 3317fps | ||
Min FPS | 3291fps | ||
ES | 60 | ||
SD | 15 | ||
Results in grouping were poor, guessing the Magnetospeed was the majority of this. | |||
Suggested Loads Supplied by ML on 3-11-14 | |||
140gr Loads, 3,300fps to 3,350fps with 26" barrel, 58,000 to 59,000 psi | |||
89gr US869 | WLRM Primer | 140gr Nosler CC | 3.340" OAL |
80gr Retumbo | Fed 215 Primer | 140gr Nosler CC | 3.340" OAL |
129gr and 130gr, 3,350fps to 3,400fps with same psi as 140gr loads. | |||
74gr H4831SC | Fed 215 Primer | 130gr AB | 3.320" OAL |
82gr Retumbo | WLRM Primer | 129gr ABLR | 3.340" OAL |
82gr Magnum | WLRM Primer | 129gr ABLR | 3.340" OAL |
100gr bullet, not specified | |||
88gr Retumbo | NA | 100gr bullet??? | NA |
Bullet measurment with 5-26 Hornady bullet guage. | |||
140 Berger Hybrid | 1.722" | ||
123gr Sierra HPBT | 1.795" | 1.793" | |
142gr Sierra HPBT | 1.712" | ||
OAL | OGIVE | Seating depth .015" off lands. | |
140 Berger Hybrid | 3.497" | 3.816" | 3.801" |
123gr Sierra HPBT | 3.408" | 3.820" | 3.805" |
142gr Sierra HPBT | 3.391" | 3.798" | 3.783" |
Actual 1st Reloads | |||
140gr Berger Hybrid | 3.8" OGIVE .015 off lands | ||
F215M Primer | |||
9 at 79gr Retumbo | 3314fps avg HOT | HOT | |
10 at 79.5gr Retumbo | HOT | HOT | |
3/14/14 | |||
140gr Berger Hybrid | 3.8" OGIVE | ||
F215M Primer | |||
78gr Retumbo | 3278fps avg | Still Hot | |
78.5gr Retumbo | 3292fps avg | HOT | |
3/15/14 | |||
140gr Berger Hybrid | 3.8" OGIVE | ||
F215M Primer | |||
75gr H1000 | 3202fps avg | ||
75.5gr H1000 | 3223fps avg | ||
76gr H1000 | 3237fps avg | ||
Below is from ML on 3-18-14. | |||
140gr Custom Comp – 74.0gr/H1000/Fed 215/3.320” OAL – 3,132 fps (starting load) | |||
140gr Custom Comp – 76.5gr/H1000/Fed 215/3.320” OAL – 3,234 fps (MAX load) | |||
With US869, I was running 89.0 grains in front of a WLRM, and getting 3,375 fps and shooting ½” groups all day long. I zeroed at 300yds, which gave me some ridiculous drops out to 1,000yds..! | |||
3/23/14 | |||
140 Berger Hybrid | F215M, 7RUM Case | 3.8" Ogive | |
88gr US869 | 3 shot avg | 3232fps avg | |
88.5gr US869 | 3 shot avg ***Retest | 3233fps avg | |
89gr US869 | 3 shot avg | 3264fps avg |