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Rifles, Reloading, Optics, Equipment
Reloading
Hodgdon Retumbo 300 Win Mag
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<blockquote data-quote="FURMAN" data-source="post: 1539087" data-attributes="member: 26535"><p>Are you crimping? I have never had my hands on a 220 Sierra but those numbers should be fine with Retumbo. The SAAMI 300 WM has very little freebore but is set up different than most as it starts at like .315 then has the 1.5ish degree taper to the lands. It does not reach the lands for something like .3". The short freebore seems to confuse some. The 215 Berger can actually be seated pretty far out in a SAAMI 300WM chamber. I would do some more checking before I started switching bullets, primers, and powder. Retumbo works great in the 300. I prefer H1000 but retumbo works. The last time I used Retumbo in a WM it took 79 grains to equal my 76 grain load of H1000 with 215 Bergers.</p></blockquote><p></p>
[QUOTE="FURMAN, post: 1539087, member: 26535"] Are you crimping? I have never had my hands on a 220 Sierra but those numbers should be fine with Retumbo. The SAAMI 300 WM has very little freebore but is set up different than most as it starts at like .315 then has the 1.5ish degree taper to the lands. It does not reach the lands for something like .3". The short freebore seems to confuse some. The 215 Berger can actually be seated pretty far out in a SAAMI 300WM chamber. I would do some more checking before I started switching bullets, primers, and powder. Retumbo works great in the 300. I prefer H1000 but retumbo works. The last time I used Retumbo in a WM it took 79 grains to equal my 76 grain load of H1000 with 215 Bergers. [/QUOTE]
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Hodgdon Retumbo 300 Win Mag
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