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Question:
What kind of pattern does each choke give?

Answer:

Patterns are affected by altitude and by shooting 2 3/4" ammunition in 3" chambers. The following average pattern percentages are expected in Browning barrels when shot with lead ammunition at 40 yards:

 

Choke 2 3/4" shells in
2 3/4" chambers at sea level.
2 3/4" shells in 3" chambers at sea level. 2 3/4" shells in 2 3/4" chambers at 5,000 foot elevation. 2 3/4" shells in 3" chambers at 5,000 foot elevation.
Full 65 - 75% 55 - 75% 75 - 85% 65 - 85%
Improved Modified 55 - 65% 45 - 65% 65 - 75% 55 - 75%
Modified 45 - 55% 35 - 55% 55 - 65% 45 - 65%
Improved Cylinder 35 - 45% 25 - 45% 45 - 55% 35 - 55%
Skeet 30 - 35% 20 - 35% 40 - 45% 30 - 45%
Cylinder 25 - 35% 15 - 35% 35 - 45% 25 - 45%

 

1. Specifications outlined above would also apply to 2 1/2" .410 ammunition in 3" chambers.
2. Where facilities do not exist for patterning 28 gauge open chokes at 40 yards, 25 yard patterning may be substituted with percentages adjusted proportionately.
3. Double Barrel Guns -- Where one barrel has a different choke than the other, the more open choke should not shoot a tighter pattern than the tighter choke.
4. Steel Shot -- normally steel shot shoots one choke size tighter than lead in the same choke tube. 

 

To see what choke tubes are available for your shotgun, look in our online catalog or refer to your owner's manual.


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