The kit includes 20 detent balls of the most common sizes used in firearms and jigs, ensuring you have replacements when needed.
Detent balls are crucial for "click" adjustments in guns and some semi-auto gas systems, making this kit an essential for gun maintenance.
BROWNELLS Detent Ball Kit comes in a bench tray case with a cross-reference table, and the balls are made of chrome steel for durability and rust resistance.