Sierra - 6mm 107gr HPBT Adapter Headspace is held to minimum

Headspace is held to minimum tolerances to avoid changing the case body length during full-length sizing

After adding a few more subtle refinements and built with the precision you would expect from Redding

This accumulation of debris can cause operational malfunctions and increase wear on your bolt

Compatible with Caldwell's Rechargeable Lithium-Ion Battery Pack (sold separately)

Sierra - 6mm 107gr HPBT Adapter Headspace is held to minimumSince its introduction several years ago, the 107 grain HPBT MatchKing bullet #1570 has been used successfully in a variety of competitive disciplines. This bullet has set new records and won national championships in such diverse competitions as National Match High Power and Silhouette. These competitions all have at least one requirement in common: extreme accuracy at long range. While they are recognized around the world for record setting