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+--- Thread: Current 6mm Grendel barrel makers: BHW, McGowen and who else? (/showthread.php?tid=14364)
Current 6mm Grendel barrel makers: BHW, McGowen and who else? - StoneHendge - 07-04-2018
I would order a 243 LBC from BHW. On their website they will tell you why you don't need to check headspace.
https://columbiariverarms.com/frequently-asked-questions/
If you order from McGowen and call them to confirm they headspaced to a 0.136" bolt after you receive your barrel, they will tell you yes, but that you should check the headspace yourself. If you don't because you feel it is a barrel makers responsibility to make sure they headspace a barrel properly, you may have explosions very close to your face. Then things like misdrilled gas ports and hack job muzzle threading don't seem like that big of a deal.
Current 6mm Grendel barrel makers: BHW, McGowen and who else? - bj139 - 07-04-2018
grayfox Wrote:1/9 or 1/10 or which other... one of my questions is what twist rate is preferred. I was -- idly -- looking at a 20" barrel but still not quite ready to pull the trigger. Or the 6mm mongoose, which I think is a 6mm Grendel wildcat.Here is a chart from RCBS.
![[Image: 42478750394_83bdce47db_c.jpg]](https://farm1.staticflickr.com/843/42478750394_83bdce47db_c.jpg)
Current 6mm Grendel barrel makers: BHW, McGowen and who else? - StoneHendge - 07-04-2018
grayfox Wrote:1/9 or 1/10 or which other... one of my questions is what twist rate is preferred. I was -- idly -- looking at a 20" barrel but still not quite ready to pull the trigger. Or the 6mm mongoose, which I think is a 6mm Grendel wildcat.
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Nonetheless, the 105 Hybrids are very popular amongst the Baby S'more crowd and virtually all production barrels out there are 1:8. Sierra says 1:9 minimum for the 95 gr SMKs/TMKs. If you don't want to go bigger than the 95s, I would go with 1:9. If you do, I'd go with 1:8. But be cognizant that you may be limiting your range with lighter thin jacketed varmint bullets.
Current 6mm Grendel barrel makers: BHW, McGowen and who else? - badkarmaiii - 07-22-2018
I want a 6mm Grendel/AR/Predator for my next build.
I think ideal would be a 22" ARP 3R with rifle +2 gas so a Seekins Select gas block will just poke out from the 15" handguard.
Hopefully, I'll get to test that gas block tomorrow on my 18", rifle gas 264/6.5 ARP with 13" handguard and SiCo Omega.