Vepr 12 Puck gas piston "Malutka" is the most universal gas piston that is available on the market for Vepr shotgun to cycle low brass shells. The stroke is increased by 50% using a short length and special shaped grooves. Made of Russian stainless steel 40x13 that is easy to clean.
NOTE: Recommended to use with loads from 1oz to 1 1/4oz
Not recommended to use with magnum loads!