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Long Range Hunting & Shooting
600 yard ladder or 100 yard groups?
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<blockquote data-quote="trhall" data-source="post: 1421940" data-attributes="member: 26233"><p>A few years ago I changed to doing load development at 200 yards. One reason was the Bryan Litz promoted this to give Berger bullets more time to stabilize. Another reason is that at my range unless you have a Magnetospeed you cannot use a chrono so I do ladder tests at 200 and then take my most promising loads out to the desert and shoot them with my chrono at distance, 600 yards. Once chosen the most accurate and repeatable load I validate my dope with my G7 at 1,000. This has worked very well for me. I don't shoot competitions like PRS where you have time limits that force you to shoot with a heated barrel as alot of the guys on here do. I am primarily a long range hunter so I focus on 3 shot cold bore groups. This may not be the best method for guys shooting competitions like PRS but it works really well for me. </p><p> My number one concern as a hunter is for that first cold bore shot to be as accurate as possible and for follow-ups, if needed to be as close as possible to poi but I'm not willing to give up any cold bore accuracy just for the warmer barrel follow ups to make a tighter grouping if that makes sense. </p><p> By the way, I have 2 custom 300 win mags shooting 215 Bergers with H1000. You're load range is right in the wheel house for them. Somewhere between 100 and 150 rounds both of them picked up an additional 130 fps. This is something I wasn't aware of until I bought an R-Bros rifle and Travis told me to watch for this. Sure enough it happened to both of my rifles so I would expect that with your 27" barrel you should see over 3,000 fps once it's completely broke in.</p><p></p><p>R-Bros LWLRH .300 win mag</p><p>27" Broughton barrel</p><p>215 Berger .020 off </p><p>H1000, 76.2gr</p><p>Winchester Brass</p><p>CCI 250 Primer</p><p>Velocity 3043</p><p></p><p>Customized Mod 70 Win .300 win mag</p><p>27" Shilen barrel</p><p>215 Berger .020 off </p><p>H1000, 76.5gr</p><p>Winchester Brass</p><p>CCI 250 Primer</p><p>Velocity 3009</p><p></p><p>Here's 200 yard tgts</p></blockquote><p></p>
[QUOTE="trhall, post: 1421940, member: 26233"] A few years ago I changed to doing load development at 200 yards. One reason was the Bryan Litz promoted this to give Berger bullets more time to stabilize. Another reason is that at my range unless you have a Magnetospeed you cannot use a chrono so I do ladder tests at 200 and then take my most promising loads out to the desert and shoot them with my chrono at distance, 600 yards. Once chosen the most accurate and repeatable load I validate my dope with my G7 at 1,000. This has worked very well for me. I don't shoot competitions like PRS where you have time limits that force you to shoot with a heated barrel as alot of the guys on here do. I am primarily a long range hunter so I focus on 3 shot cold bore groups. This may not be the best method for guys shooting competitions like PRS but it works really well for me. My number one concern as a hunter is for that first cold bore shot to be as accurate as possible and for follow-ups, if needed to be as close as possible to poi but I'm not willing to give up any cold bore accuracy just for the warmer barrel follow ups to make a tighter grouping if that makes sense. By the way, I have 2 custom 300 win mags shooting 215 Bergers with H1000. You're load range is right in the wheel house for them. Somewhere between 100 and 150 rounds both of them picked up an additional 130 fps. This is something I wasn't aware of until I bought an R-Bros rifle and Travis told me to watch for this. Sure enough it happened to both of my rifles so I would expect that with your 27" barrel you should see over 3,000 fps once it's completely broke in. R-Bros LWLRH .300 win mag 27" Broughton barrel 215 Berger .020 off H1000, 76.2gr Winchester Brass CCI 250 Primer Velocity 3043 Customized Mod 70 Win .300 win mag 27" Shilen barrel 215 Berger .020 off H1000, 76.5gr Winchester Brass CCI 250 Primer Velocity 3009 Here's 200 yard tgts [/QUOTE]
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600 yard ladder or 100 yard groups?
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