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Sorry, I can't figure out how to load the photo of the target.

PearsonRidgeMan Back again: Yesterday I fired 15 rnds. 3 each 180grn for clean out after cleaning bbl. 9 ea loaded 200grn AB, w/70.5 grn H4831SC, seated 3 at 3.3400, 3 at 3.3500, and 3 at 3.3600 (using the CTOL Ogive method the measured: 3 at 2.7180, 3 at 2.7280, and 3 at 2.7380...

Ok. Thanks. I'll try adjusting the seating depth like you suggest: 3.330 and 3.320. Last question before I load: Should I try a set at 3.310 too ?

desertcj : Yah, I know. But some of the guys at the Gun Club say exactly what you said "Never heard of that much free bore EXCEPT for maybe the Weatherby rifle cartridges." Then they added, "Measure your free bore with the Hornady gauges and see if Weatherby put that much 'jump' in the 300 WM...

One of the reasons I asked about load data was I've not done much adjusting of seating depths and its one thing I'd like to try to see (for myself) how it affects precision. I measured my magazine (which is a trick due to design) with a Mitutoyo digital caliper and I get at least 3.52" of...

To: SJB58 et al. The cartridges are now set at approx 3.340" OAL. (I use the Hornady ogive method. See my Aug 24 post. ) At that OAL my bullet is resting 0.22" off the lands. For a hunting load (i.e., loading out of the magazing) I'm not sure IF I can get the bullet 0.050" off the lands.

Then, after fire-forming brass I used 200 grn AB loaded the following loads (which I checked out results while fire-forming the brass to get a feel for the loads). Sorry, I didn't include the velocities. Here they are. These are 3-shot groups. I'm targeting for a min vel of 2750 fps and max...

OK. Here's what I've tried so far: I've measured my distance to the lands from base of case using Hornady Bullet Gauge w/.30 caliber bushing. Msmt = 0.22" (Whew !! ) I set OAL at 3.340. Used Hornady Headspace Gauge w/.420 bushing to measure distance to shoulder at 2.254". Then set...

I'm in my fourth year of reloading. (Newbie, Novice, Neophyte, Beginner). I have a Wby Vanguard First Lite, 26" bbl, 1:10 twist, factory muzzle break, #2 contour with a synthetic stock. I would like to use a 200 grn Nosler Accubond in this setup. Does anyone have any suggestions which powder...