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Pattern density of TSS #9 vs. TSS #10: What’s the difference?

April 5, 2026

Quick Answer

TSS 9 and TSS 10 are two different turkey shotshell loads from TSS Technology, a leading manufacturer of tungsten-based shotgun ammunition. The main difference between the two loads lies in their pattern density, which affects the spread and penetration of the shot. TSS 9 has a tighter pattern than TSS 10.

Pattern Density Comparison

TSS #9 has a 30-inch, 12-ounce, 4-bird pattern at 40 yards with 12 pellets within a 10-inch circle. In contrast, TSS #10 has a 34-inch, 12-ounce, 4-bird pattern at 40 yards with 12 pellets within a 10-inch circle. The tighter pattern of TSS #9 is due to its smaller shot size, with 9.5mm pellets compared to the 10mm pellets in TSS #10.

Shot Size and Range Performance

When comparing the two loads, it’s essential to consider the shot size and its effect on range performance. TSS #9’s smaller shot size allows for tighter patterns at longer ranges, making it a better choice for turkey hunters who need to make longer shots. In contrast, TSS #10’s larger shot size is more effective at closer ranges, where the bird is within 20-30 yards.

Real-World Application

When choosing between TSS #9 and TSS #10, hunters need to consider their specific hunting conditions and preferences. If you’re hunting in dense woods or thick underbrush, where close-range shots are more common, TSS #10 may be the better choice. However, if you’re hunting in open fields or need to make longer shots, TSS #9’s tighter pattern may be the better option.

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