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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Edge VS 338 Lapua Improved
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<blockquote data-quote="jmden" data-source="post: 1115317" data-attributes="member: 1742"><p>Have seen a some folks talking about 1.5fps per degree or so MV change with 1F change and RL 33. There's been enough such talk that I'm pretty sure I don't want to deal with it. Retumbo has be very temp stable with me and to me, in long range hunting, that is much more important than an extra few feet per second. I hardly had any gain, if any at all, when I tried RL 33 (over what I was getting with Retumbo) in a 338 Lap Imp. </p><p></p><p>In a 28" Benchmark barreled EDGE, it was the same story. 100g RL 33 produced 2828fps. More didn't make any difference. I'm close enough with Retumbo or H1000 to that to not be worth fiddling with the temp sensitivity issue.</p><p></p><p>Now some have apparently reported good temp insensitivity with RL 33, but there are enough that seem to have the opposite experience that I don't trust it for much temp swing and long range consistency when hunting during any kind of temp swing. It doesn't take much change in velocity to change your zero and then your off to the races chasing a zero. If you don't have a consistent zero in this game (especially hunting), you don't have much at all as that barrel whips around to release the bullet at a slightly different timing (and consequent zero change). So, to the folks that are getting temp MV changes, how are you accounting for this? In theory, it's simple to theoretically adjust for velocity changes solely based on MV in regards to vertical POI, but a ballistic program, to my knowledge, cannot account for how barrel whip, might throw that bullet to the side or down or whatever due to the bullet exiting at a slightly different timing in the barrel whip sequence due to MV changes secondary to temp changes. Maybe some of you dealing with this can report back to us. Me, at this point in time, I would not take this powder hunting. But I've been proven wrong before. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="jmden, post: 1115317, member: 1742"] Have seen a some folks talking about 1.5fps per degree or so MV change with 1F change and RL 33. There's been enough such talk that I'm pretty sure I don't want to deal with it. Retumbo has be very temp stable with me and to me, in long range hunting, that is much more important than an extra few feet per second. I hardly had any gain, if any at all, when I tried RL 33 (over what I was getting with Retumbo) in a 338 Lap Imp. In a 28" Benchmark barreled EDGE, it was the same story. 100g RL 33 produced 2828fps. More didn't make any difference. I'm close enough with Retumbo or H1000 to that to not be worth fiddling with the temp sensitivity issue. Now some have apparently reported good temp insensitivity with RL 33, but there are enough that seem to have the opposite experience that I don't trust it for much temp swing and long range consistency when hunting during any kind of temp swing. It doesn't take much change in velocity to change your zero and then your off to the races chasing a zero. If you don't have a consistent zero in this game (especially hunting), you don't have much at all as that barrel whips around to release the bullet at a slightly different timing (and consequent zero change). So, to the folks that are getting temp MV changes, how are you accounting for this? In theory, it's simple to theoretically adjust for velocity changes solely based on MV in regards to vertical POI, but a ballistic program, to my knowledge, cannot account for how barrel whip, might throw that bullet to the side or down or whatever due to the bullet exiting at a slightly different timing in the barrel whip sequence due to MV changes secondary to temp changes. Maybe some of you dealing with this can report back to us. Me, at this point in time, I would not take this powder hunting. But I've been proven wrong before. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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338 Edge VS 338 Lapua Improved
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