ExtremeShot Posted December 30, 2021 Share Posted December 30, 2021 I'm going to put a 6.5mm muzzle brake on a 6mm barrel. The bullet to brake gap is about 10 thou all around. Anyone see any issues with this? Thx, D Link to comment Share on other sites More sharing options...
TonytheTiger Posted December 30, 2021 Share Posted December 30, 2021 No. I've done it a few times. In theory you lose some efficiency but I think it's not enough to matter. Link to comment Share on other sites More sharing options...
ExtremeShot Posted January 1, 2022 Author Share Posted January 1, 2022 On 12/30/2021 at 1:00 PM, TonytheTiger said: No. I've done it a few times. In theory you lose some efficiency but I think it's not enough to matter. Cool. Thanks! Link to comment Share on other sites More sharing options...
emjbe Posted January 16, 2022 Share Posted January 16, 2022 I currently have a 6.5 brake (cortina tuner brake) on a 5.56 barrel. It’s slightly less efficient, but I wanted to try out a tuner. After shooting in in 5 matches I’m planning to keep it on - I’ve shot more efficient brakes, but this one is ~80%-90% as good even though it’s a 6.5. Link to comment Share on other sites More sharing options...
TonytheTiger Posted January 16, 2022 Share Posted January 16, 2022 12 hours ago, emjbe said: I currently have a 6.5 brake (cortina tuner brake) on a 5.56 barrel. It’s slightly less efficient, but I wanted to try out a tuner. How well does the tuner work? Link to comment Share on other sites More sharing options...
emjbe Posted January 19, 2022 Share Posted January 19, 2022 (edited) On 1/16/2022 at 9:29 AM, TonytheTiger said: How well does the tuner work? it tightened up my 300 yard groups from about 6” down to about 4”. I’m sure it would be better with more magnification … these groups are 300 yards w a 6x scope. (69g RMR over TAC). I tuned my hoser load (55g hornady SP) from about 3” at 100 yards down to about 1.5”. With the better accuracy I was able to put consistent hits at 565 yards with that ammo which goes subsonic at about 525 yards. the biggest advantage has been in mid range rifle matches. I find myself trusting the ammo much more and going faster because I’m calling the shots off the sights and transitioning faster. 2nd best advantage is I’m using a load I developed for a different rifle and it shoots better in this barrel after tuning. here is a stage in my 3rd match with that brake https://www.instagram.com/tv/CXSopYpL9R3/?utm_medium=copy_link this video shows the brake better with offhand shots https://www.instagram.com/tv/CY5JPF0rFX5/?utm_medium=copy_link Edited January 19, 2022 by emjbe Link to comment Share on other sites More sharing options...
TonytheTiger Posted January 20, 2022 Share Posted January 20, 2022 On 1/18/2022 at 7:05 PM, emjbe said: it tightened up my 300 yard groups from about 6” down to about 4”. I’m sure it would be better with more magnification … these groups are 300 yards w a 6x scope. (69g RMR over TAC). I tuned my hoser load (55g hornady SP) from about 3” at 100 yards down to about 1.5”. With the better accuracy I was able to put consistent hits at 565 yards with that ammo which goes subsonic at about 525 yards. the biggest advantage has been in mid range rifle matches. I find myself trusting the ammo much more and going faster because I’m calling the shots off the sights and transitioning faster. 2nd best advantage is I’m using a load I developed for a different rifle and it shoots better in this barrel after tuning. here is a stage in my 3rd match with that brake https://www.instagram.com/tv/CXSopYpL9R3/?utm_medium=copy_link this video shows the brake better with offhand shots https://www.instagram.com/tv/CY5JPF0rFX5/?utm_medium=copy_link Good info, thanks. Link to comment Share on other sites More sharing options...
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