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300 NMI -1550 yards

marley

marley

Well-Known Member
Joined
Apr 16, 2010
Messages
47
This was my new 300 NMI. 215 grain Berger at 2950 FPS from a 22" barrel, suppressed. 1550 yards at a 14" plate. First shot after shooting the same plate at 975 and 1200 yards.

 

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marley said:
Can you explain your thought process on why you would build a 300 NMI on a 22 inch barrel with a suppressor vs a 32 inch barrel with a suppressor? If speed of the bullet wasn't a concern why wouldn't you just build a straight 300 NM on a 22 inch barrel suppressed? Why go through all the extra fire forming load development wasted barrel life? Good shooting BTW!
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My goal was to push a 215 grain bullet at 2950-3000 with as short of a barrel as I could go. TBAC recommended no shorter than a 22" barrel for their suppressor. The improved got me where I wanted to be speed wise. Fireforming isn't a big deal. My friend built my rifle and we use an old shot out barrel for fireforming.
 
marley said:
This was my new 300 NMI. 215 grain Berger at 2950 FPS from a 22" barrel, suppressed. 1550 yards at a 14" plate. First shot after shooting the same plate at 975 and 1200 yards.

Click to expand...

What powder are you running in the short barrel? Great performance in that short barrel
 

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