41 Long Colt, also known as the .410 Extra Long Colt, .41 L.D.A., .41 Long Colt, and .41 Colt Double Action. Suitable for use in most .41 Colt revolvers including the Colt Thunderer, New Army, New Navy, Army Special, Single Action Army, and the Bisley. Starline suggest using a #32 RCBS shellholder. Heel-type bullets and Hollow Base bullets that expand into the rifling are generally the best choice for projectiles.
Starline is a family owned business and prides itself on producing the highest quality brass case available. With a production process focused on quality not quantity, Starline makes the finest brass and has for more than 40 years out of their state-of-the-art manufacturing facility in Sedalia, MO.