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Thank you. Node 3 for 20" barrel is .8550 so this has me close enough within 1.5%.

Oh may make a difference OAL is at 2.61 and case is not 100% has noticeable shake space more like 92% according to Barnes, they emailed me this load data. Bullet Weight: 80 gr Case Trim Length: 2.035" S.D. 0.194 Bullet Style: TTSX BT Primer: Fed 210 B.C. 0.331 COAL: 2.610" Barrel Length: 24"...

UPDATE: 200 yd target just now shot at 200yds at 75 degrees. Shot 3 for group at 10minute waits then waited 20 minutes and strapped Magneto Speed back on and shot 3,401fps

Speed are with Magneto Speed. I don't know why but this is the only 20" barrel gun I have ever built loads for that every combo tested reaches Loading Manual 24" barrel velocities easily. 4 Firings in on brass and primer pockets are approx .2085, just neck sizing in wilson neck die and the 4th...

I am shooting 3400fps with 80 ttsx using 45.5gr H4350 from 20" barrel, any idea as to barrel time for this setup?

Used archived Barnes load data of up to max of 45.5 grain H4350 at OAL 2.61" with 80gr TTSX and Fed 210 primer. Worked up to max at 45.5 grains H4350 From 20" Savage factory barrel!! Bolt lift good. Primer flat but no mushroom top. Minor crater around primer strike. Measured primer pockets...

Thanks that helps a lot! I finally have found H4350 again for first in a long time, gonna try the 80TTSX with it and this helps some speed I should watch for in the 20" barrel. Thinking 3300 may be possible.

Barrel length? I am guessing that with this velocity is a 26 or 28" model?

Dr Mike, Is this load compressed?, what did OAL approx end up at if you remember, or maybe a better question is where did top groove end up at neck?

Yes, exactly correct, using in Wyatts extended magazine. Can load up to i think 3.81 and still fit mag well. .010 off lands at this OAL, shoots good here, 300yd average 3 shots groups hanging around 1.5 - 1.75"

Horsethief, Having run a lot of case capacities similar to the 7bee mag I think you will find RL26 hard to beat. But have found that the burn rate tends to be a bit faster than QL predicts it. Start at 3-5% down and look for velocity predicted by QL, it will put you really close on finding...

Dwh7271, Thank you for running QL's, they have been invaluable to me in the past for looking at nodes and predicted speed / pressures. Thank you and eloquently stated.

Not really a neck tension change so much as copper tends to "bond" to brass when in tight contact with brass, the way to test is to take a loaded round and "reseat" bullet just a touch deeper like .002-.003 and you will hear and feel a slight pop as it breaks this mechanical bond. If it does the...

Mechanical bond of bullet to neck?

Thank You!!

Nosler tech tells me the 28 saami drawing to be released is "exactly" same dimensions as 26 Nosler with approx .281 neck on factory brass. If you click image you can hit + to zoom up and get any dimension.

Yep looks like it, but No sticky bolt No stretch primer pockets Primer not completely flat to edge Fired brass chambers right back smooth Plus Nosler data with 175gr PT/LRAB is max load at 83gr Retumbo at 3,228fps in 26" test barrel ?????

QL Request with known data, wondering just what pressures actually are predicted. 28 Nosler 180 Berger Hybrid seated .010 off Fired case H2O 102.1 grains OAL 3.707 Average Velocity at 3,137 (magento speed) 81 grains Retumbo Temp was at 70 degrees. 24" Barrel This should be interesting.

I have found that the RL 22 is pretty much perfect in 26" barrels but in the 24" barrels I get better results with a tad faster powder like RL19 or RL17. My best results have been with RL19 at speeds of 2925-2975 with 150 grain bullets. But also always get good results with IMR4831 in ANY 30-06...

How much charge weight? I would expect it to push 120grain bullet at 3,000fps with 49 to 51 grains RL 26, Fed 210 primed. Should be making approx 60 fps per grain velocity.