Open-Tip Match
Also: OTM · OTB · Open Tip
A match bullet formed jacket-first, leaving the tip as a tiny open dimple. The construction yields the concentricity that match accuracy needs.
Open-tip match bullets are built from the jacket down: the jacket cup is drawn around the core and closed at the base, leaving a small opening at the nose. That opening is a manufacturing artifact, not an expansion cavity, which is the key difference between an OTM and a hunting jacketed hollow point.
Forming the bullet this way puts the heavier, more uniform end at the base and lets the maker shape an aggressive boat-tail and a long ogive. The result is the jacket concentricity and ballistic coefficient consistency that define a match-grade projectile. Sierra MatchKing, Hornady ELD-Match, and Berger target bullets are all open-tip designs.