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Message
re: 9mm barrel differences and velocities
Posted on 12/18/13 at 6:09 pm to Geauxtiga
Posted on 12/18/13 at 6:09 pm to Geauxtiga
Cliffs:
He tested basic white box Winchester 9MM with a chron and determined with Glocks with 3.5, 4.0, and 4.5 inch barrels that one gained 40+ fps from a 3.5 to 4.5 barrel. His 3.5 inch barrel produced 1056 to 1137 fps for the 4.5 barrel. Basically you aren't sacrificing anything with that diff in fps if you carry a shorter barreled firearm.
He tested basic white box Winchester 9MM with a chron and determined with Glocks with 3.5, 4.0, and 4.5 inch barrels that one gained 40+ fps from a 3.5 to 4.5 barrel. His 3.5 inch barrel produced 1056 to 1137 fps for the 4.5 barrel. Basically you aren't sacrificing anything with that diff in fps if you carry a shorter barreled firearm.
2
Posted on 12/18/13 at 6:28 pm to Yewkindewit
Cool, but what can +50 fps do for 124 or 135 +p in ballistics gell or barrier penetration?
I assume there is no data out there.
Funny how there are so many answers, but there are still so many questions.
I assume there is no data out there.
Funny how there are so many answers, but there are still so many questions.
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