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Load development struggles

I’ve been working up this load for 300 Norma, AXSR rifle, 27” Bartlein barrel, first time with a magnum, and reached a point where I’m looking for suggestions.
Started with new Lapua brass sized for .002 neck tension, 230 A-Tips .050 from lands, 9 1/2M primers and H-1000.

I did a powder charge test from 82.1-85.1 in .6 gr increments OCW style, ascending order, 3 rounds each total. Stopped at 84.5 because it was flattening the primers pretty hard by then. Went from about 2900 fps up to 2980 fps. Best groups and ES were at 82.1 and 84.5.

I loaded up five rounds each of 82.1 at .030, .050 and .070 from the lands and fired them in the same ascending order style and got these results.
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Loaded up 10 rounds at 82.1/.070 to see if I could confirm it and it looked like this.
IMG_9457.jpeg

Decided to test the same load again to see if this was me and to check neck tension results so I loaded up ten each at .002 and .003 neck tension and got these results. ES at .002 was 21 and at .003 was 49.
IMG_9458.jpeg

I shot every test at the same range, same time of day, nearly identical conditions prone on a bipod with a rear bag. My 215 Berger load I did is pretty consistently .5 MOA but this 230 load after that one outlier seating depth group is closer to 1 MOA.

Looking for some outside input. Time to change powders? Drop the charge a little?
Repeat a previous test?
What say y’all?

Optics Burris XTR3 5.5-30x56

Burris XTR 3 5.5-30x56. SCR2 mil. Has a couple light marks. Glass is good. Come with sunshade, exposed wind turret, throw lever, race dial, and the box.

$975 to me shipped to you.

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SOLD Zco 527 mpct2

Zero compromise 527 MPCT2 15 mil NLE turrets, with scope chap, turret taper, and Spuhr mount. The elevation turret has a small mark on it. No box. $3400 plus shipping insurance if you want it.
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Optics Fraser Optics 14x40 Stedi-Eye PM25 Stabilized Binoculars with Pouch and Hardcase - Like New - $2400 OBO

Fraser Optics 14x40 Stedi-Eye PM25 Stabilized Binoculars with Pouch and Hardcase — like New — asking $2400 OBO — free Shipping 2nd Day UPS Insured. I've seen these online for about $5000 new and $3600 refurbished. A well-used pair sold on eBay recently for $2750. I'm going with that price minus the eBay fees, so $2400.

I saw someone use these at a match and thought I had to have them. I never got around to using these as I also got the Vectronix Leica Vector 21's about the same time and always used a tripod with them so stabilization wasn't needed.

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SOLD Leupold Mark5 5-25 pr2 like new in box price reduced

Scope is literally brand new in perfect condition. Items in box have never even been unwrapped. Pepper flake size spot wher paint is chipped shown in picture. Had it in a leupold ims 35mm mount which is also available to buy on my 5.56 for a few rounds. $1,750 shipped for scope $150 shipped for mount.
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SOLD Aimpoint Comp M5s

New Aimpoint Comp M5s with new Spuhr QDM. This puts the M5s at 1.93".

The optic and mount are new and in flawless condition. Please ask if you'd like additional photos or info. $775 shipped.

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SOLD Vortex Razor HD GEN III 6-36x56 EBR-7D

Like new Razor HD GEN III 6-36x56 EBR-7D MRAD with IDTS wet dry marker tape (three unused ones).
Vortex scope covers, battery, and tools.

SOLD $2150 CONUS. I can take a card or Venmo/PayPal + 3%. Thank you.

Also, please don't comment on my post (scammers will message you). Just send me a PM. I will go off timestamps. If you would like to talk over the phone to verify or FaceTime, no problem!

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SOLD 7mm RM Brass - Alpha, Hornady, RP Brass

See below.

$105 delivered by USPS.
- 50 Alpha brass in the Alpha box, sized to 300 and necked back down to 7mm to fit tight in my chamber. 23 brass once fired in my 7mm Tikka, the remainder unfired.
- 54 Remington brass, once fired (some de-primed, some not) no box, in a baggie.
- 30 Hornady once fired.

I'd also trade for 100 NEW Alpha 308 or 6.5 creedmoor cases.

Bullets sold.


PayPal, Venmo, Zelle

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Firearms 6 Creedmoor Katana Rifle In-Stock

This rifle is built off a Kelbly's Atlas Lite action with a 20" 1:7.5 barrel chambered in 6 Creedmoor. It's resting in an MDT HNT26 folder chassis with the enclosed for end and ARCA rail. We are happy to help with financing if you need to make payments without interest and the rifle will be shipped when fully paid. Check out the 6 Creed Katana here. Call 435-462-1607 with any questions or help.

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