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Hunting
Long Range Hunting & Shooting
338-300 PRC... Sherman Improved!
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<blockquote data-quote="KH_Outdoors" data-source="post: 3098855" data-attributes="member: 123559"><p>Little update on 210 HHT's, went out and got some baseline numbers and found pressure etc... </p><p></p><p>210 HHT pressure ladders: </p><p></p><p>H4350</p><p>78 - 2998</p><p>79 - 3029</p><p>80 - 3056</p><p>81 - 3080</p><p>82 - 3135 - possible faint bolt click</p><p>83 - Discontinued </p><p></p><p>N550</p><p>75 - 3045</p><p>76 - 3083</p><p>77 - 3126</p><p>78 - 3157 - Hard bolt click, slightly heavier bolt lift</p><p>79 - Discontinued </p><p></p><p>H4350 Notes: 80 gr is a full case, 81 is nearly compressed but can still hear some kernels bouncing around. 82 & 83 gr are compressed & changed seating depth. Not completely sure I hit pressure on this one as I stopped before anything diffinitive. I am not a fan of compressed or high case fill when it starts messing with seating depth consistency. Will shoot 80/81 gr for groups. </p><p></p><p>N550 Notes: Hit pressure alot sooner than expected. It produces nearly the same speed as H4350 with 5 gr less powder charge. Definitely found pressure at 78 gr. 77 gr is on the fringe of pressure with the slight velocity spike. Will shoot 75/76/77 gr for groups. </p><p></p><p>Going to go load a few more and see how they group!</p></blockquote><p></p>
[QUOTE="KH_Outdoors, post: 3098855, member: 123559"] Little update on 210 HHT's, went out and got some baseline numbers and found pressure etc... 210 HHT pressure ladders: H4350 78 - 2998 79 - 3029 80 - 3056 81 - 3080 82 - 3135 - possible faint bolt click 83 - Discontinued N550 75 - 3045 76 - 3083 77 - 3126 78 - 3157 - Hard bolt click, slightly heavier bolt lift 79 - Discontinued H4350 Notes: 80 gr is a full case, 81 is nearly compressed but can still hear some kernels bouncing around. 82 & 83 gr are compressed & changed seating depth. Not completely sure I hit pressure on this one as I stopped before anything diffinitive. I am not a fan of compressed or high case fill when it starts messing with seating depth consistency. Will shoot 80/81 gr for groups. N550 Notes: Hit pressure alot sooner than expected. It produces nearly the same speed as H4350 with 5 gr less powder charge. Definitely found pressure at 78 gr. 77 gr is on the fringe of pressure with the slight velocity spike. Will shoot 75/76/77 gr for groups. Going to go load a few more and see how they group! [/QUOTE]
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338-300 PRC... Sherman Improved!
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