- Sierra BlitzKing polymer-tipped varmint bullet for handloaders
- 6mm / .243" diameter, 70 grain weight
- Boat tail design with G1 ballistic coefficient of 0.299
- Green polymer tip initiates rapid, explosive expansion on varmints
- Thin copper jacket for enhanced accuracy
- Rated for use at muzzle velocities up to 4000 fps
- Bulk box of 500 component bullets — not loaded ammunition
The Sierra BlitzKing 6mm (.243") 70 grain bullet is a polymer-tipped varmint bullet built for handloaders who want MatchKing-level accuracy combined with explosive terminal performance. A thin copper jacket and a green polymer tip initiate rapid, violent expansion on impact, making this a proven choice for foxing, corvid control and other varmint work at longer ranges. The boat tail profile carries a G1 ballistic coefficient of 0.299, helping the bullet buck wind and retain velocity downrange, and Sierra rates this weight for use at muzzle velocities up to 4000 fps. This is a component bullet only, supplied as 500 loose bullets in bulk packaging for handloaders to seat and crimp themselves — it is not loaded ammunition and contains no case, powder or primer. A sensible option for stalkers and pest controllers who reload their own .243 Winchester or similar 6mm cartridges and want consistent, repeatable varmint performance in volume.
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