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Cartridge : 6.5 x 55 Swedish
Bullet : .264, 129, Nosler AccuBond LR 58943 G7
Useable Case Capaci: 51.801 grain H2O = 3.363 cm³
Cartridge O.A.L. L6: 3.100 inch = 78.74 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Hodgdon H4350
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 76 35.60 2203 1390 29031 8581 88.1 1.529
-18.0 78 36.49 2255 1456 30834 8863 89.3 1.504
-16.0 80 37.38 2307 1525 32744 9141 90.4 1.466
-14.0 82 38.27 2359 1594 34757 9413 91.5 1.430
-12.0 84 39.16 2412 1666 36867 9678 92.5 1.394
-10.0 86 40.05 2464 1739 39085 9936 93.5 1.355
-08.0 88 40.94 2516 1814 41431 10185 94.4 1.318
-06.0 90 41.83 2569 1890 43914 10425 95.3 1.281
-04.0 91 42.72 2621 1968 46540 10655 96.0 1.247
-02.0 93 43.61 2673 2047 49319 10874 96.8 1.213 ! Near Maximum !
+00.0 95 44.50 2725 2127 52261 11082 97.4 1.181 ! Near Maximum !
+02.0 97 45.39 2777 2209 55378 11278 98.0 1.150 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 46.28 2829 2292 58679 11460 98.5 1.119 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 47.17 2880 2376 62179 11629 98.9 1.090 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 48.06 2931 2461 65893 11784 99.3 1.062 !DANGEROUS LOAD-DO NOT USE!
+10.0 105 48.95 2982 2548 69834 11923 99.6 1.034 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 95 44.50 2848 2324 61285 11020 99.9 1.100 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 44.50 2564 1883 43391 10647 91.2 1.285
hainleym":5z9yw4l2 said:Thank you for the Welcomes. Now I have questions. Hodgdon reloading site lists 45.5 as the max load for 129 gr bullets. I noticed on the Quick Load data that 45.39 grains is listed as !DANGEROUS LOAD-DO NOT USE!. Is the pressure listing for the 6.5x55 QL data for the old military actions or for modern actions? If it is for the old actions, what is the pressure limit for modern actions? 62K psi? The reason I ask is that there are a lot of loads being shared that far exceed max listed load for this caliber. They are being justified because of the modern actions. Any help or guidance would be greatly appreciated.
Thank you
Mike
DrMike":3jegldnp said:You've received good advice from SJB358. The pressure limit appears to have been set in deference to older model Mausers. Be cautious about hot-rodding, but that advice goes for any rifle. Brass does begin to yield to pressure by 75,000 to 80,000 psi. You don't gain all that much velocity when you begin to push pressures much beyond 65,000 psi. You can always move up to a magnum cartridge with more powder (and less efficiency) or screw on a longer tube if you need more velocity.
hainleym":1tb0xcsw said:I have new Houge HOWA 6.5x55 purchased new in September 2016. I am having good luck with H4350 and Nosler 129 grain ABLR. I am getting less than 1/2" groups constantly with it. The more I shoot it the tighter the groups are getting. I tried RL19, RL22, IMR 4350, IMR 4064 but my rifle really likes H4350 the best. I didn't start getting really good groups until I cut 1/16th of an inch out of the tip of the barrel channel. That stopped the pressure on the barrel when using a sled or bipod. This is a light recoil load.
Load data;
44.5 gr H4350
129 gr Nosler ABLR
CCI #200
PPU brass
COAL 3.10
I don't have a chronograph so I don't know the muzzle velocity.