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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question: Case Annealing with the 338 Lapua
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<blockquote data-quote="dkhunt14" data-source="post: 711291" data-attributes="member: 14053"><p>If you don't have an arbor press and wilson dies you probably won't feel the difference in seating bullets and if you do the brass is way to hard. The black stuff you see on your necks and shoulders is carbon and means the case is not sealing up. Accuracy starts to suffer at this point because of different chamber pressures. First i shoot 1000 yard benchrest and when you anneal the vertical gets way smaller. This is with the same loads and nothing changed but annealing. Annealing helps seal the chamber so velocities remain more consistent. It also helps control neck tension. It also makes a case bump more when you size. I anneal after every firing but i am looking for accuracy with 10 shots at 1000 yards. When i load for hunting i only anneal after 2 to 3 firings. One year I shot the first 5 matches without annealing and the last 5 with and it made a big difference in scoring. The next year i annealed evey time and broke 3 World records in score. I guarantee my targets told me it was way better. This is with 2 different guns in 300 WSM. One is 17 pound light gun and the other is heavy gun. I never shot a hundred score in competition or won a score agg till i started annealing. Now i have lots of 100 scores and records, including 10 shots in 2.815 inches at 1000 yards since i started annealing. Matt</p></blockquote><p></p>
[QUOTE="dkhunt14, post: 711291, member: 14053"] If you don't have an arbor press and wilson dies you probably won't feel the difference in seating bullets and if you do the brass is way to hard. The black stuff you see on your necks and shoulders is carbon and means the case is not sealing up. Accuracy starts to suffer at this point because of different chamber pressures. First i shoot 1000 yard benchrest and when you anneal the vertical gets way smaller. This is with the same loads and nothing changed but annealing. Annealing helps seal the chamber so velocities remain more consistent. It also helps control neck tension. It also makes a case bump more when you size. I anneal after every firing but i am looking for accuracy with 10 shots at 1000 yards. When i load for hunting i only anneal after 2 to 3 firings. One year I shot the first 5 matches without annealing and the last 5 with and it made a big difference in scoring. The next year i annealed evey time and broke 3 World records in score. I guarantee my targets told me it was way better. This is with 2 different guns in 300 WSM. One is 17 pound light gun and the other is heavy gun. I never shot a hundred score in competition or won a score agg till i started annealing. Now i have lots of 100 scores and records, including 10 shots in 2.815 inches at 1000 yards since i started annealing. Matt [/QUOTE]
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Question: Case Annealing with the 338 Lapua
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