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Rifles, Reloading, Optics, Equipment
Reloading
270WSM great grouping
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<blockquote data-quote="Methow Packer" data-source="post: 1361696" data-attributes="member: 67515"><p>Your opinion appreciated. My 270WSM is shooting bug hole groups ( 1/4 - 3/8) using 140 Berger Classic .020 off lands using 63.0 gr 7828SC . Fantastic but with a little sticky bolt lift, slight ejector marks. Primers not too bad. Question about best approach. Drop charge weight by .5 grain and leave the .020 seating depth and see and or adjust seating depth to reduce pressure. Increase depth say .025 or decrease .015. Not sure of direction to go. I hate to loose this tight grouping but i'd like to reduce the pressure too. I know bullets at or in the lands increases pressure.</p></blockquote><p></p>
[QUOTE="Methow Packer, post: 1361696, member: 67515"] Your opinion appreciated. My 270WSM is shooting bug hole groups ( 1/4 - 3/8) using 140 Berger Classic .020 off lands using 63.0 gr 7828SC . Fantastic but with a little sticky bolt lift, slight ejector marks. Primers not too bad. Question about best approach. Drop charge weight by .5 grain and leave the .020 seating depth and see and or adjust seating depth to reduce pressure. Increase depth say .025 or decrease .015. Not sure of direction to go. I hate to loose this tight grouping but i'd like to reduce the pressure too. I know bullets at or in the lands increases pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
270WSM great grouping
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