Adjusting the seating depth and the corresponding jump to the rifling is considered essential for enhancing accuracy. A variation of just a few thousandths of an inches between the bullet and the rifling can significantly impact performance, distinguishing between average accuracy and exceptional precision. The Lock-N-Load OAL gauge is widely recognized as the most precise, user-friendly and dependable tool for regulating seating depth and the resulting jump to the rifling.

For all autoloading, lever action or pump action rifles
Compatible with all bolt-action and single-shot firearms
Insert into the chamber via the ejection port

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