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Forum: 300 Whisper Rifles and Pistols

09-20-2010, 07:23 PM

Replies: 10

Question about barrel length

Views: 1,696

Posted By Alleycat

As a rule of thumb, it averages about 20 to 25...

As a rule of thumb, it averages about 20 to 25 fps per inch in most cartridges. It's by no means certain. Guns are a lot like women. They all have the same parts, but some are just crazy.:grin:

Forum: 300 Whisper Rifles and Pistols

09-19-2010, 09:30 PM

Replies: 10

Question about barrel length

Views: 1,696

Posted By Alleycat

when you get into subsonic shooting you sometimes...

when you get into subsonic shooting you sometimes have to think backwards. You may have to decrease your charge to get the velocity down to 1050. You will sometimes get bullet drag. 8" to 10" is...

Forum: 300 Whisper Rifles and Pistols

09-19-2010, 06:13 PM

Replies: 10

Question about barrel length

Views: 1,696

Posted By Alleycat

Depends on what you're doing with it. If you only...

Depends on what you're doing with it. If you only shoot subs, the answer is there will be no difference. 1050 is 1050 regardless of barrel length. If you're shooting super, It may take about 100fps...

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