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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Boyd and others with 300 Ultras
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<blockquote data-quote="Brent" data-source="post: 23802" data-attributes="member: 99"><p>Well, already back from the range, with great results from the 180 Scirocco too. 6 rounds from 91.0 to 93.5 were all well inside of an inch at 200yds, wow that's a spread. The others above and below this were all over the place and just under 4 inches.</p><p></p><p>Load, velocity and pressure went like this,</p><p></p><p>85.0 2996 51,600</p><p>85.5 3004 52,300</p><p>86.0 2996 51,300</p><p>86.5 3012 52,000</p><p>87.0 3035 53,300</p><p>87.5 3071 54,600</p><p>88.0 3052 53,900</p><p>88.5 3092 55,900</p><p>89.0 3082 55,500</p><p>89.5 3107 57,200</p><p>90.0 3135 57,500</p><p>90.5 3151 58,500</p><p>91.0 3166 59,100</p><p>91.5 3194 60,400</p><p>92.0 3178 59,800</p><p>92.5 3217 61,400</p><p>93.0 3210 61,100</p><p>93.5 3247 63,400</p><p>94.0 3275 65,000</p><p>94.5 3280 65,000</p><p>95.0 3287 66,300</p><p>95.5 3302 66,600</p><p>96.0 3347 69,600</p><p>96.5 3352 70,200</p><p>97.0 ---- 70,900 Too dark and foggy for VE reading.</p><p></p><p>No pressure signs were observed other than primers were getting slightly flatter, I was looking for ejector marks etc but nothing. Recoil was ever more fierce at the end. Extraction was smooth and unchanged in the least. </p><p></p><p>Factory loaded 180 Sciroccos were about 3200fps and averaged 59,800 psi, factory 180 Partitions were 3250fps and averaged 62,900 psi while both shot just 1.1 MOA with five rounds each.</p><p></p><p>I'm pretty **** happy with how this thing is shooting to say the least. I'll settle on a load of 92.2 and see how she does for a while. This appears to be the middle of the sweet spot with this load combo.</p></blockquote><p></p>
[QUOTE="Brent, post: 23802, member: 99"] Well, already back from the range, with great results from the 180 Scirocco too. 6 rounds from 91.0 to 93.5 were all well inside of an inch at 200yds, wow that's a spread. The others above and below this were all over the place and just under 4 inches. Load, velocity and pressure went like this, 85.0 2996 51,600 85.5 3004 52,300 86.0 2996 51,300 86.5 3012 52,000 87.0 3035 53,300 87.5 3071 54,600 88.0 3052 53,900 88.5 3092 55,900 89.0 3082 55,500 89.5 3107 57,200 90.0 3135 57,500 90.5 3151 58,500 91.0 3166 59,100 91.5 3194 60,400 92.0 3178 59,800 92.5 3217 61,400 93.0 3210 61,100 93.5 3247 63,400 94.0 3275 65,000 94.5 3280 65,000 95.0 3287 66,300 95.5 3302 66,600 96.0 3347 69,600 96.5 3352 70,200 97.0 ---- 70,900 Too dark and foggy for VE reading. No pressure signs were observed other than primers were getting slightly flatter, I was looking for ejector marks etc but nothing. Recoil was ever more fierce at the end. Extraction was smooth and unchanged in the least. Factory loaded 180 Sciroccos were about 3200fps and averaged 59,800 psi, factory 180 Partitions were 3250fps and averaged 62,900 psi while both shot just 1.1 MOA with five rounds each. I'm pretty **** happy with how this thing is shooting to say the least. I'll settle on a load of 92.2 and see how she does for a while. This appears to be the middle of the sweet spot with this load combo. [/QUOTE]
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