BC of 51 gr ammo .25

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Hello to all im interested to know bc for this bullet
I do not have material to test. Only one chrony
And no bullet yet

Many thanks in advance
Thierry

Topic

[rsterneParticipant]

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It is about 0.11, depending on muzzle velocity….

Bob

[thierryaudibert]

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Thank you Bob

[denisbeaudryParticipant]

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I plugged in .104 into ChairGun and it seems to be spot on. Was shooting out to 170 yards yesterday , had the rifle zeroed at 150 yards and was hitting 3 mil high at 100 yards.i absolutely love these bullets. Thanks Bob and NOE . Both the HP and solids were shooting extremely well from a 17.7:1 twist for those who care.

[rsterneParticipant]

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HI Denis….

Thanks for the info…. glad they are proving to be accurate for you…. What muzzle velocity were they starting at?….

Bob

[denisbeaudryParticipant]

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Bob ,
I’ve got what I think is a pretty impressive 9 shot( one mag ) string. Start at 890 , peak at 900 and back to 895. I didn’t bother shooting for groups on paper just wanted to see how far I could reach out consecutively hitting a 6″ paint can.

[thierryaudibert]

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Hello all, i just make my first bullet but too bigger for my barrel

happy to see your result

[teemuParticipant]

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There is a sizing die set on store if You wan’t buy one and size those bullets on right diameter

[thierryaudibert]

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hello yes i have too sizing die, but once i push in (.250) all relief on bullet disappear i own .251 and .250 sizing die
i have ordered a .251 mold recently from NOE too just waiting delivery

thank you

Thierry

[rsterneParticipant]

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If you started with the larger size (0.253/0.255″) and sized to 0.250″…. then yes, you would remove most if not all of the raised nose and driving bands…. If you need a 0.250″ bullet you should start with the smaller size (0.250/0.252″)…. Otherwise the center portion will be too large and will drag on the lands, increasing friction…. What barrel at you using?….

Bob

[thierryaudibert]

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Hello Bob
i use standard 24″ barrel on condor

thank you

[teemuParticipant]

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Is that barrel chocked?  prolly is..

[thierryaudibert]

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yes he’s chocked

[thierryaudibert]

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Hello all
just a quick update, even if bullet is very hard to push in barrel, i can shoot them at 738 f/seconds with incredible accuracy, my first test is 10 meters all bullets in the same hole
not so bad i think
i have ordered a .250 mold i think he solve my problem of barrel friction and give me some feets seconds more

have a nice day all
take care

Thierry

[thierryaudibert]

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Hello all
By the way i own a modified kral puncher with LW barrel with a 1:17.7 twist rate the power was tuned approximativly to 75 fpe (100 joules) what is the best mold i can use and bullet weight please

Thanks to all
I wish you a good sunday
Thierry

[rsterneParticipant]

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I have not used these bullets in an LW barrel…. but understand that the larger size (0.253/0.255) and then sized down to about 0.254″ (depending on your barrel) seems to provide great accuracy….

Bob

[Author]

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