4UANTUM Friction Pro-High Performance GBB Bucking Maple Leaf Features -

Features -

The original

20 gram BBs at a field safe 300 FPS

8) may vary depending on the type of stock pipe used

Universal design compatible w/ most pistol magazines

4UANTUM Friction Pro-High Performance GBB Bucking Maple Leaf Features -Friction Pro GBB Hop Up Bucking Designed to achieve ultimate consistency, the Friction Pro hop up bucking focuses on creating a perfectly centered axis of spin in every shot. While based on a rather traditional single point design, the unique contour of the contact patch generates enough friction to even lift heavy BBs up to 0. 48 grams, while minimizing contact surface to ensure there's no room for error. Resulting in a flat, consistent, and accurate