Not surprising results from many factory barrels,and manual data.You may have completely different throating and barrel from what Nosler used to work up their data.
Seen it many times. Different barrels can have a substantial effect on velocities with the same loads.
Spot on, each bbl/chamber is an individual.
Loader the mostly may as well be wildcats.
Very true. Some fellas would croak when working up wildcat loads. Tis no different....
And another update to the Nosler 150 gr. Partition load I was working on earlier (26 inch, 1 in 9 Rock Creek barrel). Not much change in Velocity, ES, and SD but accuracy at 100 yards is 3 shots inside 1/2 inch. Should be good enough for my next hog hunt!
Bullet: Nosler 150 gr. Partition Powder: IMR 7828 67.0 grs. Primer: Federal 215 Case: Winchester (3rd Firing) LOAL: 3.270 (2.744 Base to Ogive with Stoney Point) Average Velocity: 3088.57 fps ES: 29.14 SD: 14.56
Last edited by pbcaster45; 07/17/17. Reason: Grammer
Any experience/advice using the Hornady 139gr GMX monometal projectile? I'm hunting in the Peoples Republic of Californication, and next year non-tox will be mandatory Statewide. I'd assume it's similar to the Barnes 140 TTSX...
Here are a few more. 65.0grs A-4350 150gr Nosler BT
63.5grs A-4350 160gr Accubond
69.5grs Reloader-26 150gr Nosler BT
70.0grs Reloader-26 150gr Nosler BT
Last edited by baldhunter; 08/19/18.
~Molɔ̀ːn Labé Skýla~ As Bob Hagel would say"You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong."Good words of wisdom...............
RE: the Hornady 139 gr. GMX, I ended up using the Hodgdon data from their 2018 Manual. Their max load is w/ IMR 7828, 70.0 gr (compressed) @ 3191 fps. These are for use in a "rode hard, put away wet", mid-60s Rem 700 BDL (with the black copper and iron plating SS barrel) I picked up from a friend. I did put a Hogue Comp-stock on it (I'm a recoil wimp) and didn't cut my eye on the scope). I used IMR7828SSC and Fed215 primers in Win brass. I started at 65.5 but only got to 68.5gr. with very, very flat primers @ 3176fps. 66.5 of 7828SSC had a much less flattened primer @ 3100fps. At 50 yd. (my range's 100 yd. alley is out of action now), all but one of my mini-ladder loads were in an inch group. I think this Rem 700 has potential ! I can hear the choir saying "try Re22", and I will later but they don't list that powder in the Hodgdon Manual, nor does Alliant list the GMX projectile...I also intend to try the Barnes 120 TTSX w/ Re19 in the next round. Will check in with that info later.
[quote=Pharmseller]Just today. Load workup, 5 difference seating depths. I should have stopped at the shortest OAL.
MV 3040.
Pharmseller-great pics and groups. Just making sure on the COAL that is working for you? I have a 2018 Tikka T3X Lite Stainless 7mm 24" barrel with little bastard brake on it. I've been working a load using IMR 7828 160 grain Accubonds, COAL 3.291.
I have one of those Hornady comparator thingies, it measures from the ogive (shoulder) of the bullet. Tip to base measurements can vary significantly, especially if you’re using exposed lead tipped bullets like the Partition. Measuring from the shoulder I have found to be much easier and consistent.
I usually post in terms of OAL, not COAL.
P
Obey lawful commands. Video interactions. Hold bad cops accountable. Problem solved.
I find that the 7mm RM is one of the easier cartridges to shoot accurately. I used to shoot mainly 162 grain Hornady Interlock bullets, then 154 grain. I'm tending towards 150 Grain Nosler Partition these days. Nothing wrong with the Hornady bullets though.
I prefer classic. Semper Fi I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally