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.177
JSB · Slug
KnockOut Slugs MK3
Specifications
- Manufacturer
- JSB
- Product
- JSB KnockOut Slugs MK3 .177 Cal, 10.03 Grains, Hollowpoint, 500ct
- Family
- KnockOut Slugs MK3
- Projectile type
- Slug
- Material
- Lead or lead alloy
- Caliber
- .177
- Caliber (in)
- 0.177
- Caliber (mm)
- 4.5
- Weight
- 10.03 gr
- Shape
- Hollowpoint
- Pack count
- 500
Energy by velocity
Muzzle energy this projectile carries at common airgun velocities, useful for matching it to your rifle and to honest hunting ranges.
700 fps10.9 ft·lb
800 fps14.3 ft·lb
900 fps18 ft·lb
1000 fps22.3 ft·lb
Hunting & suitability
- Primary purpose
- PCP slug / long-range or hunting
- Target use
- Good in slug-capable PCP only
- Hunting use
- Conditional
- Ethical game band
- Very small game/pests under 2 lb
- Suggested min muzzle energy
- 8 ft·lb
- Suggested max range
- Usually 20-50 yd depending platform; stay inside proven accuracy
- Game examples
- quail, dove, pigeon, grouse, very small pests
Projectile alone does not establish ethical use; confirm legal species, rifle FPE, retained energy, accuracy, and shot placement. Hollowpoints are generally preferred where expansion and energy transfer matter.
Notes
PCP-oriented; verify barrel diameter/twist and magazine length.