Neck turning to reduce donut formation after necking up Lapua rifle cases from 6.5mm to 7mm
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- SharpshootingUK neck up 6.5-284 Lapua brass to 284Win (7mm) and neck turn with 21stcenturyshooting lathe to solve future donut issues at the neck shoulder junction.