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The Range
Ammo & Reloading
Berger 77 grain OTM's matched well with N135
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<blockquote data-quote="rockchalk06" data-source="post: 3878598" data-attributes="member: 40794"><p>I've been meaning to get out and test these loads in my Aero 18" for about 6 months now. Walked onto the Bench Rest range all to my self yesterday morning. After a 100 yard zero from my sighters, got to work.</p><p></p><p>VV N135</p><p>GM205MAR</p><p>Virgin Starline Brass</p><p>1.852" off O-Give barely clears mag</p><p></p><p>Pulling data from VV's app, I started with a minimum of 19.5 grains and worked up to 20.3. Judging from what Gavin at Ultimate Reloader did to match the factory OTM loading, I knew I'd be safe from pressure all the way to 21 grains even though it was a bolt gun v's my gas gun.</p><p></p><p>19.5 grains was the winner of my test loads. SD below 10 and the group was sub MOA.</p><p>[ATTACH=full]310867[/ATTACH]</p><p></p><p>I didn't pull my targets, as by the time I was finished, there were 3 new shooters on the line and I didn't want to wait. 19.8 grains produced a 14.90 SD and the group was just over 1 MOA. My chrono went wonky for the last 3 groups, so no data, but the groups were worse. Last one at 20.6 was well over 2 MOA.</p><p></p><p>Loaded up 50 more at 19.5 and will do some 100, 200 and 300 yard work in two weeks.</p><p>[ATTACH=full]310868[/ATTACH]</p><p></p><p>I was pretty impressed with this loading. I averaged just below 2400 FPS and printed a nice tight group for a gas gun.</p></blockquote><p></p>
[QUOTE="rockchalk06, post: 3878598, member: 40794"] I've been meaning to get out and test these loads in my Aero 18" for about 6 months now. Walked onto the Bench Rest range all to my self yesterday morning. After a 100 yard zero from my sighters, got to work. VV N135 GM205MAR Virgin Starline Brass 1.852" off O-Give barely clears mag Pulling data from VV's app, I started with a minimum of 19.5 grains and worked up to 20.3. Judging from what Gavin at Ultimate Reloader did to match the factory OTM loading, I knew I'd be safe from pressure all the way to 21 grains even though it was a bolt gun v's my gas gun. 19.5 grains was the winner of my test loads. SD below 10 and the group was sub MOA. [ATTACH type="full" alt="1666021088078.png"]310867[/ATTACH] I didn't pull my targets, as by the time I was finished, there were 3 new shooters on the line and I didn't want to wait. 19.8 grains produced a 14.90 SD and the group was just over 1 MOA. My chrono went wonky for the last 3 groups, so no data, but the groups were worse. Last one at 20.6 was well over 2 MOA. Loaded up 50 more at 19.5 and will do some 100, 200 and 300 yard work in two weeks. [ATTACH type="full" alt="1666021326076.png"]310868[/ATTACH] I was pretty impressed with this loading. I averaged just below 2400 FPS and printed a nice tight group for a gas gun. [/QUOTE]
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Berger 77 grain OTM's matched well with N135
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