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Long Range Hunting & Shooting
Barrel Length Recommendation
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<blockquote data-quote="Bowfishn" data-source="post: 1376549" data-attributes="member: 56875"><p>I know this is to much info because you should just choose what feels right to you but. </p><p>Below is calculated gain in velocity for 24", 26" and 28" barrels using</p><p>210 Berger Hunt VLD / 75 gr RL26 / seated to 3.340" COAL / 100 yard zero : </p><p></p><p>24" 2902 fps and 3928 ft/lb @ Muzzle 1609 fps and 1208 ft/lb [USER=69648]@1000 yards[/USER] with a drop of 274"</p><p>26" 2955 fps and 4072 ft/lb @ Muzzle 1648 fps and 1267 ft/lb @ 1000 yards with a drop of 263"</p><p>28" 3003 fps and 4206 ft/lb @ Muzzle 1684 fps and 1323 ft/lb @ 1000 yards with a drop of 253"</p><p></p><p>Not sure I would worry about the weight of the extra inches as much as contour.</p><p>Below is barrel weights calculated from Pac-Nor site.</p><p></p><p>24" Varminter/Sendero2 4.50 vs 28" Varminter/Sendero2 5.04 equals 8.64 oz.</p><p></p><p>24" BARREL WEIGHT IN POUNDS </p><p>Lightweight 2.51</p><p>Contour No. 1 2.98</p><p>Contour No. 2 3.28</p><p>Contour No. 3 3.44</p><p>Contour No. 4 3.60</p><p>Contour No. 5 3.96</p><p>Contour No. 6 4.33</p><p>Light Palma1 4.69</p><p>Medium Palma1 4.80</p><p>Heavy Palma1 5.09</p><p>Varminter/Sendero2 4.50</p><p>Contour No. 7 6.03</p><p>Contour No. 8 6.50</p><p>Target Weight 5.92</p><p>NBRSA Heavy Varminter1 6.46</p><p>Straight Cylinder 7.34</p><p></p><p>26"BARREL WEIGHT IN POUNDS</p><p>Lightweight 2.60</p><p>Contour No. 1 3.11</p><p>Contour No. 2 3.41</p><p>Contour No. 3 3.59</p><p>Contour No. 4 3.77</p><p>Contour No. 5 4.15</p><p>Contour No. 6 4.56</p><p>Light Palma1 4.94</p><p>Medium Palma1 5.07</p><p>Heavy Palma1 5.44</p><p>Varminter/Sendero2 4.78</p><p>Contour No. 7 6.39</p><p>Contour No. 8 6.94</p><p>Target Weight 6.24</p><p>NBRSA Heavy Varminter1 6.84</p><p>Straight Cylinder 7.96</p><p></p><p>28" BARREL WEIGHT IN POUNDS</p><p>Lightweight 2.68</p><p>Contour No. 1 3.22</p><p>Contour No. 2 3.54</p><p>Contour No. 3 3.73</p><p>Contour No. 4 3.92</p><p>Contour No. 5 4.33</p><p>Contour No. 6 4.77</p><p>Light Palma1 5.18</p><p>Medium Palma1 5.34</p><p>Heavy Palma1 5.78</p><p>Varminter/Sendero2 5.04</p><p>Contour No. 7 6.73</p><p>Contour No. 8 7.37</p><p>Target Weight 6.55</p><p>NBRSA Heavy Varminter1 7.20</p><p>Straight Cylinder 8.57</p></blockquote><p></p>
[QUOTE="Bowfishn, post: 1376549, member: 56875"] I know this is to much info because you should just choose what feels right to you but. Below is calculated gain in velocity for 24", 26" and 28" barrels using 210 Berger Hunt VLD / 75 gr RL26 / seated to 3.340" COAL / 100 yard zero : 24" 2902 fps and 3928 ft/lb @ Muzzle 1609 fps and 1208 ft/lb [USER=69648]@1000 yards[/USER] with a drop of 274" 26" 2955 fps and 4072 ft/lb @ Muzzle 1648 fps and 1267 ft/lb @ 1000 yards with a drop of 263" 28" 3003 fps and 4206 ft/lb @ Muzzle 1684 fps and 1323 ft/lb @ 1000 yards with a drop of 253" Not sure I would worry about the weight of the extra inches as much as contour. Below is barrel weights calculated from Pac-Nor site. 24" Varminter/Sendero2 4.50 vs 28" Varminter/Sendero2 5.04 equals 8.64 oz. 24" BARREL WEIGHT IN POUNDS Lightweight 2.51 Contour No. 1 2.98 Contour No. 2 3.28 Contour No. 3 3.44 Contour No. 4 3.60 Contour No. 5 3.96 Contour No. 6 4.33 Light Palma1 4.69 Medium Palma1 4.80 Heavy Palma1 5.09 Varminter/Sendero2 4.50 Contour No. 7 6.03 Contour No. 8 6.50 Target Weight 5.92 NBRSA Heavy Varminter1 6.46 Straight Cylinder 7.34 26"BARREL WEIGHT IN POUNDS Lightweight 2.60 Contour No. 1 3.11 Contour No. 2 3.41 Contour No. 3 3.59 Contour No. 4 3.77 Contour No. 5 4.15 Contour No. 6 4.56 Light Palma1 4.94 Medium Palma1 5.07 Heavy Palma1 5.44 Varminter/Sendero2 4.78 Contour No. 7 6.39 Contour No. 8 6.94 Target Weight 6.24 NBRSA Heavy Varminter1 6.84 Straight Cylinder 7.96 28" BARREL WEIGHT IN POUNDS Lightweight 2.68 Contour No. 1 3.22 Contour No. 2 3.54 Contour No. 3 3.73 Contour No. 4 3.92 Contour No. 5 4.33 Contour No. 6 4.77 Light Palma1 5.18 Medium Palma1 5.34 Heavy Palma1 5.78 Varminter/Sendero2 5.04 Contour No. 7 6.73 Contour No. 8 7.37 Target Weight 6.55 NBRSA Heavy Varminter1 7.20 Straight Cylinder 8.57 [/QUOTE]
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