416 -

: The fluted tip fills with liquid upon impact to trigger expansion at a consistent depth.

The phrase "deep post 416" typically refers to one of three main contexts: a specific high-performance firearm projectile, a historic American Legion location, or a social media milestone . 1. .416 Depth Charge Projectile : The fluted tip fills with liquid upon

: It uses a non-deforming tip to reduce yaw and ensure deep penetration through heavy bone. a historic American Legion location

The , often called the "Post at the Coast," is a historic veterans' organization in Encinitas, California . : The fluted tip fills with liquid upon

: Made from a copper hollow point with a brass insert to maintain integrity and create large wound channels. 2. American Legion Post 416

: The main building was moved from Camp Kearny in 1930, and its bar area originated from Camp Callan in the 1940s.

: In March 2025, it was officially renamed the Captain E. Royce Williams Post 416 in honor of a Medal of Honor recipient.