Well it took me a few days but I finally managed to get out to the range on xmas eve, run some factory ammo through her for break in and shoot a ladder test. It only took 3 shoot and clean cycles before I stopped seeing copper fouling so I decided to try a group with the Federal Premium 140 gr hunting ammo at 100 m.
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So it is beginning to look like this thing can shoot! I shot a ladder test going up in 1/2 grain increments from 40 to 45.5 gr. There appeared to be a node between 40-41 gr and 44-45 gr. I went home and loaded between each node in 0.3gr increments. I'm using 142 smk's, H4350, virgin Lapua brass neck turned just enough to clean everything up and Federal 210M primers. All bullets were seated 0.005" off the lands.
Today I was up bright and early and off to the range again. -5, light snow falling and no wind (woo hoo!) Aside from the loads I had built between nodes I put together a few with my remaining brass to confirm my sight in at 200m and foul the bore.
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I had 4 shots loaded at 40.5gr. I took one, adjusted the scope and sent the next 3. The adjustment was piss poor but they came together into a group of .742". I started to shoot through my 40 -41.2 gr loads. The best groups came at 40.3 , 40.6 & 40.9. Smallest group was around 0.620" from the 40.6gr loading! As I am not a great marksman by any stretch I was pretty excited about this!
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I continued into the second node but the groups doubled in size. I was into the 2900fps range with only slight pressure signs but the accuracy was not there. I stopped and went back to confirm my first few groups. The second group at 40.3 was just over an inch (1.023") with very little vertical. The real puzzler for the day was the day was the second group at 40.6gr. When I retrieved the target there was only one hole! Surely I didn't miss the whole page twice in a three shot group!! Upon further inspection I absolutely put two in the same hole, the hole is too big for 1 bullet. But 3? I am very tempted to call it a 0.093" group at 200m. I think I may have found the sweet spot for this little rig of mine.
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A big thanks again to Sean from North Shore Barrels and Terry from Black Art Rifle for doing such a great job putting my rifle together. Not to mention Jerry and the other Nutzs ( whose names I've forgotten... sorry) who provided me with all the parts.