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Joined: Jul 2020
Posts: 10,387 Likes: 73
Booner
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Booner
Joined: Jul 2020
Posts: 10,387 Likes: 73 |
Shorter bbls in 308 or whatever... Will need to pay attention to down range velocity and the bullet construction. If you get down to 16 or 18" bbl, MV is going to suffer a decent amount. Reduced MV means reduced velocity down range. A stout bullet like just about anything bonded, or even a 165 gameking (in 308) may not have the velocity and energy to expand well at the longer distances you mentioned. Just be mindful of that. You may want to play with the expected velocity numbers and choice bullet parameters in a ballistics program to get 300+ yard velocity estimates and cross reference them to minimum velocities needed for adequate expansion It’s been a while since I tested velocities in my 16” AR10 308. If I remember correctly the 165gr fusions were leaving the muzzle at just under 2600fps. The 130gr TTSXs were upper 2800s. I’d have to look back at my note. I went with the 165gr fusions because I may have a lifetime supply and no issues with performance on deer. And the shoot great in that platform. 165 grain Fusions out of mine with a 16 in faxon match barrel were 2510fps according to the gunsmith at Marks. Just an FYI. I have a 20 inch Ruger AG2 in 30-06, and would not want a suppressor on it if shooting out of a shooting house. It has a 19 or 20 in barrel.
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