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Hot Topic (More than 10 Replies) Bullet suggestions for the Browning 1885 in 40/65 (Read 11864 times)
Hiwall55
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Re: Bullet suggestions for the Browning 1885 in 40/65
Reply #15 - Jan 19th, 2017 at 1:11pm
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I breech seat my 35/40 in a Browning BPCR.
  
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SgtDog0311
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Re: Bullet suggestions for the Browning 1885 in 40/65
Reply #16 - Jan 24th, 2017 at 4:31pm
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SSShooter wrote on Jan 18th, 2017 at 7:33am:
SgtDog0311 wrote on Jan 3rd, 2017 at 12:46pm:
Great Thread!   Useful data Schuetzendave!

Been working with a Paul Jones (Spitzer) in a 16 twist Badger barrel on a Cody Ballard using OE 2f.  Length is 1.4475 and weight is 412gr as cast with my 20:1.   

With 62gr of OE 2F it is stout in a 10.3lb rifle with straight stock and crescent.   Have tested from 57gr (no compression) @ 1268fps to the 62gr (.110 compression) at 1326fps and so far the 57gr was best but still not under 2MOA.  Have been wondering if length is a bit much in a 16 twist but Dave's SG wouldn't indicate that?  The calculation I used made me wonder...  but arrives at the twist, not an SG. 
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I used constant of (135) or SqRt of velocity:
135 x .166464 / 1.4475 = 15.53 Twist

I have no idea how far one/half an inch in twist (given 16) takes you down the SG scale for optimal stability.

It is premature to assume I have length constraints with this bullet before moving on but have to admit I'm wondering.

When it warms up I'll try a primer change and maybe 1 1/2F.    

John - my "not OK" spotter (another John) shoots a Shiloh 1874 with a 16" twist and does well with 400gr and 420gr (rams & 600yd) designs from Brooks. He does quite well with it, winning a Regional last season as well as several high placements in various matches around the country. He loads 1 1/2F Swiss. You might check out the Steve Brooks offerings.


Thanks Glenn!  I talked with Hiwall55 too and got enough info and background from him to believe my findings have nothing to do with length.   I'm pressing forward with what I have and also looking trying some others.   My shooting buddy out in Cheyenne is gonna send me his 400gr Money BACO mould and I'll be giving that a try as well as a Saeco.      

For the OP... sorry for using your thread.  Way off topic I know!
  
Best Regards,
John
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