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Rifles, Reloading, Optics, Equipment
Reloading
28 Nosler - Best accuracy/Velocity powder - 8133 or R33, or?
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<blockquote data-quote="Roughwater" data-source="post: 1551831" data-attributes="member: 33915"><p>I got the IMR 8133 in the mail yesterday. I had high hopes for it but not as much now.</p><p>I can get to 3600 FPS but pressue is way to high. With Retumbo I was getting around 3523 FPS with a Winchester magnum primer but I also had a ejector mark. So it wasn't a load I had settled on. I was getting 3475 FPS with the same load of Retumbo using a Federal 215M primer. Also the bullet was a Hammer Hunter 143gn. </p><p></p><p>Here are the numbers I was getting using 8133 With winchester mag primers, Nosler brass and I believe my OAL was set at 3.490. This from a 28N Hells canyon speed Rifle:</p><p>This first group used all Winchester mag primers and both groups used IMR 8133 Powder. Please note that from number 3 to 8 showed signs of pressure especially from 5 and up pressure was clearly fairly high. Higher than I would use for a regular load for sure.</p><p></p><p>1. 87gn = 3427 FPS</p><p>2. 87.5 gn = 3422</p><p>3. 88gn = 3470</p><p>4. 88.5gn =3498</p><p>5. 89gn =3524</p><p>6. 89.5gn =3561</p><p>7. 90gn =3512</p><p>8. 90.5 gn =3615</p><p></p><p>These two were both using Federal 215 primers</p><p></p><p>1. 90gn =3528</p><p>2. 90.5gn =3607</p><p></p><p>Read more: <a href="http://hammerbullets.boards.net/thread/410/happy-day-new-rifle?page=5#ixzz5cpMUujUn" target="_blank">http://hammerbullets.boards.net/thread/410/happy-day-new-rifle?page=5#ixzz5cpMUujUn</a></p></blockquote><p></p>
[QUOTE="Roughwater, post: 1551831, member: 33915"] I got the IMR 8133 in the mail yesterday. I had high hopes for it but not as much now. I can get to 3600 FPS but pressue is way to high. With Retumbo I was getting around 3523 FPS with a Winchester magnum primer but I also had a ejector mark. So it wasn't a load I had settled on. I was getting 3475 FPS with the same load of Retumbo using a Federal 215M primer. Also the bullet was a Hammer Hunter 143gn. Here are the numbers I was getting using 8133 With winchester mag primers, Nosler brass and I believe my OAL was set at 3.490. This from a 28N Hells canyon speed Rifle: This first group used all Winchester mag primers and both groups used IMR 8133 Powder. Please note that from number 3 to 8 showed signs of pressure especially from 5 and up pressure was clearly fairly high. Higher than I would use for a regular load for sure. 1. 87gn = 3427 FPS 2. 87.5 gn = 3422 3. 88gn = 3470 4. 88.5gn =3498 5. 89gn =3524 6. 89.5gn =3561 7. 90gn =3512 8. 90.5 gn =3615 These two were both using Federal 215 primers 1. 90gn =3528 2. 90.5gn =3607 Read more: [URL]http://hammerbullets.boards.net/thread/410/happy-day-new-rifle?page=5#ixzz5cpMUujUn[/URL] [/QUOTE]
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Reloading
28 Nosler - Best accuracy/Velocity powder - 8133 or R33, or?
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