218Bee

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I'll bite, how did you achieve those numbers out of a 218 Bee, plastic bullets? Tell us the story, not just post pics. What firearm did you use?


NCsmitty
 
What do you mean,bite..LOL...Yeah,I know it`s hard to believe.The action is a Haverkamp 308 with a modified bolt face.The barrel is a twenty six inch Shelin.I was useing 40gr Vmax when I got the 3777fps,but had some pressure signs.Today ,I used the 40Vmax but I modified em some.Did`nt have any danger signs at all today.I`m using Win296 powder.I guess it helped by giving the bullet more jump to the lands.
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What does your brass look like after you hit those velocities?I don't expect your primer pockets are holding up too well.Those speeds look more like a .243 with 55 grain bullets than a little 218.Still very sceptical.
 
When I posted the 3777fps chrono picture a week or two ago,I did get some blown primers,not every shot ,but some..Today I did`nt get any pressure signs at all.The brass looks good and is reloadable.I can`t blame you at all for being sceptical....I would not believe it either if some one else had posted it.
 
IMO, you would be so much happier with a 22-250, and not have to push the issue, but to each their own.
Beautiful rifle by the way. Is that a Unertl scope?

How does the velocity translate to groups?


NCsmitty
 
I`ve not tryed to group it at that speed.I get my best groups at 3400-3500.I`m out of primers now.When I get primers ,I will find out what it groups at high speed.Yes.A twelve power Unertl
 
Get your chrono checked out. I just can't believe that even if you rammed 296 powder in the case with a hydraulic press, that a Bee could hit those numbers. The case will only hold about 14gr, which with a 35gr bullet will only push around 3,100fps. Somehow you are gaining 900fps over that load with a heavier bullet? Something doesn't add up.
 
If you knew what you were talkig about ,you can put 18 grains of w296 in the 218Bee case without compressing and still have room for the bullet.The chrono seems close when shooting my 243 and 300wm..Strange it would lie only when shooting the Bee.
 
The Li`l Gun powder shoots very well in my rifle,but it is so dirty I stopped using it.The IMR4227 and W296 shoots just as well but is much cleaner.The 296 is hotter and works best with the 40gr bullets.The IMR4227 is slower and works best with the 52 SierrasMK.
I shot some 20 grain bullets today and could only get 3992 but I cut back on the powder
 
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