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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22 GT; anyone with experience care to share thier experiences, general load & ballistic info. I’m considering a build.
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<blockquote data-quote="Hondo64d" data-source="post: 2701891" data-attributes="member: 1390"><p>Resurrecting this old thread to share my results so far with the .22 GT. Did some more load work up on my .22GT. Once I found max, I concentrated on higher charges hoping to find accuracy with 88gr ELD-Ms at 3000fps or more from my 20" Osprey barrel. Alas, it was not to be. This barrel decidedly did not like any charges of H4350 greater than 36gr, grouping a bit over 1" with for 10 shots. I remembered back to when I was finding max, that four consecutive charges from 34 to 35.6gr all went into the same ragged hole so decided to try 35gr. Bingo! <strong>35gr grouped 10 shots into .443" center to center.</strong> You can see "flyers" at 6 o'clock and 8 o'clock in the group. By the time I was six shots in, mirage off the suppressor was significant. Had it not been for that I think I could have done even better. Eight of the ten shots are probably in the high .2s. Didn't chrono it but based on come ups at 900, velocity is about 2900. I had hoped for more speed, but I don't think 100fps is going to make or break a shot. Overall, very pleased so far.</p><p></p><p>John</p><p></p><p><img src="https://i.postimg.cc/QMWW9k8r/880-D5-B5-C-F619-4991-8-BA0-10-BA93-E8-C747.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="https://i.postimg.cc/HLTcc2zZ/8-F65284-E-78-F3-4283-9181-BC899-E0-AF4-A5.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Hondo64d, post: 2701891, member: 1390"] Resurrecting this old thread to share my results so far with the .22 GT. Did some more load work up on my .22GT. Once I found max, I concentrated on higher charges hoping to find accuracy with 88gr ELD-Ms at 3000fps or more from my 20" Osprey barrel. Alas, it was not to be. This barrel decidedly did not like any charges of H4350 greater than 36gr, grouping a bit over 1" with for 10 shots. I remembered back to when I was finding max, that four consecutive charges from 34 to 35.6gr all went into the same ragged hole so decided to try 35gr. Bingo! [B]35gr grouped 10 shots into .443" center to center.[/B] You can see ”flyers” at 6 o’clock and 8 o’clock in the group. By the time I was six shots in, mirage off the suppressor was significant. Had it not been for that I think I could have done even better. Eight of the ten shots are probably in the high .2s. Didn't chrono it but based on come ups at 900, velocity is about 2900. I had hoped for more speed, but I don't think 100fps is going to make or break a shot. Overall, very pleased so far. John [IMG]https://i.postimg.cc/QMWW9k8r/880-D5-B5-C-F619-4991-8-BA0-10-BA93-E8-C747.jpg[/IMG] [IMG]https://i.postimg.cc/HLTcc2zZ/8-F65284-E-78-F3-4283-9181-BC899-E0-AF4-A5.jpg[/IMG] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22 GT; anyone with experience care to share thier experiences, general load & ballistic info. I’m considering a build.
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