Shooters Forum banner
1 - 7 of 7 Posts

·
Registered
Joined
·
4 Posts
Discussion Starter · #1 ·
looking at have a 6mmai build for my grandson 16 birthday. looking for some ideas on barrel length and twist for any 85gr tsx bullet. The gun will be mostly used for deer.
 

·
Registered
Joined
·
13,141 Posts
The standard for the parent case is 1:9, which will stabilize all but the longest target bullets in that caliber. The slightly slower 1:10 twist should allow a bit more velocity to be realized, but you're really splitting hairs on that count. One of those two will certainly be suitable.
 

·
Registered
Joined
·
1,412 Posts
I used a 1/10 twist barrel in my 6RemAI @ 25" long barrel. I also use 1/10 twist in my 243AI and 243.

I've never shot the Barnes bullets in my 6RemAI mainly use that rifle for antelope with 95gr Partition.

Nosler making a 90gr E-Tp and Berger is coming out with a 87gr VLD hunting bullet for the 1/10 twist 6mm barrels.

I've done in 6mm 1/8,1/10,1/12,1/14 twiast barrels. If your building the 6RemAI on a short action I'd do the 243AI get alittle more magazine length. Sounds like a good project
 

·
Registered
Joined
·
2 Posts
I inherited a 6mm AL Mauser, Timney Trigger, 24"Broughton 1:10 twist

47gr h4831 sc 3005 fs 95gr NBT shot lots of deer and coyotes.

47.5gr h4831 sc 3120 fs 85gr tsx barnes very accurate
Shot a doe at 75 yds headon bullet weighed 83gr bullet traved

Really fun to shoot.
 

·
Inactive account
Joined
·
3,281 Posts
I too would use a little faster twist like 1:9 or 1:9.25. At some point when your grandson gets older he might want to use a heavier and most likely longer bullet in this gun. I have a Savage 243 and they twist their 243's with a 1:9.25 rate. I strongly believe this helps with the heavier bullets that are longer with the high BC's. I'm sure he'll love it !!
 
1 - 7 of 7 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top